Multiple vulnerabilities in Siemens SIMATIC S7-1500 TM MFP - BIOS

1) Out-of-bounds write

EUVDB-ID: #VU67866

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-20422

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

The vulnerability allows a local application to escalate privileges on the system.

The vulnerability exists due to a boundary error within emulation_proc_handler() in armv8 emulation in arch/arm64/kernel/armv8_deprecated.c. A local user can trigger an out-of-bounds write and execute arbitrary code with elevated privileges.

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

SIMATIC S7-1500 TM MFP - BIOS: All versions

• cpe:2.3:a:siemens:simatic_s7-1500_tm_mfp_-_bios:*:*:*:*:*:*:*:*

https://cert-portal.siemens.com/productcert/txt/ssa-831302.txt

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Use-after-free

EUVDB-ID: #VU58678

Risk: Low

CVSSv4.0: 4.8 [CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-42386

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

The vulnerability allows a remote user to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in the "nvalloc" function. A remote administrator can execute arbitrary code on the target system.

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

SIMATIC S7-1500 TM MFP - BIOS: All versions

• cpe:2.3:a:siemens:simatic_s7-1500_tm_mfp_-_bios:*:*:*:*:*:*:*:*

https://cert-portal.siemens.com/productcert/txt/ssa-831302.txt

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Use-after-free

EUVDB-ID: #VU68108

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-1882

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the Linux kernel’s pipes functionality in free_pipe_info() function in fs/pipe.c. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

SIMATIC S7-1500 TM MFP - BIOS: All versions

• cpe:2.3:a:siemens:simatic_s7-1500_tm_mfp_-_bios:*:*:*:*:*:*:*:*

https://cert-portal.siemens.com/productcert/txt/ssa-831302.txt

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

4) Resource management error

EUVDB-ID: #VU66394

Risk: Low

CVSSv4.0: 7.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2022-2585

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: Yes

The vulnerability allows a local user to perform a denial of service (DoS) attack or escalate privileges on the system.

The vulnerability exists due to improper management of internal resources in POSIX CPU timers when handling death of a process. A local user can crash the kernel or execute arbitrary code.

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

SIMATIC S7-1500 TM MFP - BIOS: All versions

• cpe:2.3:a:siemens:simatic_s7-1500_tm_mfp_-_bios:*:*:*:*:*:*:*:*

https://cert-portal.siemens.com/productcert/txt/ssa-831302.txt

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.

5) Double Free

EUVDB-ID: #VU66397

Risk: Low

CVSSv4.0: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Clear]

CVE-ID: CVE-2022-2588

CWE-ID: CWE-415 - Double Free

Exploit availability: Yes

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a double free error within the network packet scheduler implementation in the route4_change() function in Linux kernel when removing all references to a route filter before freeing it. A local user can run a specially crafted program to crash the kernel or execute arbitrary code.

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

SIMATIC S7-1500 TM MFP - BIOS: All versions

• cpe:2.3:a:siemens:simatic_s7-1500_tm_mfp_-_bios:*:*:*:*:*:*:*:*

https://cert-portal.siemens.com/productcert/txt/ssa-831302.txt

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.

6) Out-of-bounds read

EUVDB-ID: #VU67509

Risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-2905

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in the Linux kernel BPF subsystem. A local user can call the bpf_tail_call() function with a key larger than the max_entries of the map, trigger an out-of-bounds read and read parts of kernel memory.

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

SIMATIC S7-1500 TM MFP - BIOS: All versions

• cpe:2.3:a:siemens:simatic_s7-1500_tm_mfp_-_bios:*:*:*:*:*:*:*:*

https://cert-portal.siemens.com/productcert/txt/ssa-831302.txt

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

7) Race condition

EUVDB-ID: #VU67477

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-3028

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Exploit availability: No

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a race condition in the Linux kernel's IP framework for transforming packets (XFRM subsystem) when multiple calls to xfrm_probe_algs occurred simultaneously. A local user can exploit the race and escalate privileges on the system.

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

SIMATIC S7-1500 TM MFP - BIOS: All versions

• cpe:2.3:a:siemens:simatic_s7-1500_tm_mfp_-_bios:*:*:*:*:*:*:*:*

https://cert-portal.siemens.com/productcert/txt/ssa-831302.txt

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

8) Out-of-bounds read

EUVDB-ID: #VU70499

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-3435

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within the fib_nh_match() function in net/ipv4/fib_semantics.c IPv4 handler. A remote attacker can send specially crafted data to the system, trigger an out-of-bounds read error and read contents of memory on the system.

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

SIMATIC S7-1500 TM MFP - BIOS: All versions

• cpe:2.3:a:siemens:simatic_s7-1500_tm_mfp_-_bios:*:*:*:*:*:*:*:*

https://cert-portal.siemens.com/productcert/txt/ssa-831302.txt

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

9) Use-after-free

EUVDB-ID: #VU69708

Risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-3586

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a use-after-free error in the way the sch_sfb enqueue function used the socket buffer (SKB) cb field after the same SKB had been enqueued (and freed) into a child qdisc. A local user can perform a denial of service (DoS) attack.

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

SIMATIC S7-1500 TM MFP - BIOS: All versions

• cpe:2.3:a:siemens:simatic_s7-1500_tm_mfp_-_bios:*:*:*:*:*:*:*:*

https://cert-portal.siemens.com/productcert/txt/ssa-831302.txt

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

10) Stack-based buffer overflow

EUVDB-ID: #VU70442

Risk: Low

CVSSv4.0: 7.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2022-4378

CWE-ID: CWE-121 - Stack-based buffer overflow

Exploit availability: No

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error within the __do_proc_dointvec() function. A local user can trigger a stack-based buffer overflow and execute arbitrary code with elevated privileges.

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

SIMATIC S7-1500 TM MFP - BIOS: All versions

• cpe:2.3:a:siemens:simatic_s7-1500_tm_mfp_-_bios:*:*:*:*:*:*:*:*

https://cert-portal.siemens.com/productcert/txt/ssa-831302.txt

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.

11) Improper access control

EUVDB-ID: #VU71541

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-4662

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper access restrictions in the Linux kernel USB core subsystem in the way user attaches usb device. A local user can perform a denial of service (DoS) attack.

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

SIMATIC S7-1500 TM MFP - BIOS: All versions

• cpe:2.3:a:siemens:simatic_s7-1500_tm_mfp_-_bios:*:*:*:*:*:*:*:*

https://cert-portal.siemens.com/productcert/txt/ssa-831302.txt

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

12) Race condition

EUVDB-ID: #VU67865

Risk: Low

CVSSv4.0: 7.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2022-20421

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Exploit availability: Yes

The vulnerability allows a local application to escalate privileges on the system.

The vulnerability exists due to a race condition within the Binder driver in Android kernel in drivers/android/binder.c. A local application can exploit the race to trigger a use-after-free error and execute arbitrary code with elevated privileges.

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

SIMATIC S7-1500 TM MFP - BIOS: All versions

• cpe:2.3:a:siemens:simatic_s7-1500_tm_mfp_-_bios:*:*:*:*:*:*:*:*

https://cert-portal.siemens.com/productcert/txt/ssa-831302.txt

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.

13) Information disclosure

EUVDB-ID: #VU66522

Risk: Low

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-21233

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to improper isolation of shared resources. A local administrator can gain unauthorized access to sensitive information on the system.

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

SIMATIC S7-1500 TM MFP - BIOS: All versions

• cpe:2.3:a:siemens:simatic_s7-1500_tm_mfp_-_bios:*:*:*:*:*:*:*:*

https://cert-portal.siemens.com/productcert/txt/ssa-831302.txt

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

14) Use-after-free

EUVDB-ID: #VU58685

Risk: Low

CVSSv4.0: 4.8 [CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-42384

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

The vulnerability allows a remote user to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in the "handle_special" function. A remote administrator can execute arbitrary code on the target system.

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

SIMATIC S7-1500 TM MFP - BIOS: All versions

• cpe:2.3:a:siemens:simatic_s7-1500_tm_mfp_-_bios:*:*:*:*:*:*:*:*

https://cert-portal.siemens.com/productcert/txt/ssa-831302.txt

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

15) Buffer overflow

EUVDB-ID: #VU61294

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2022-23218

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the svcunix_create() in the sunrpc module ib glibc. A remote attacker can pass specially crafted input to the application that is using the affected library version, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

SIMATIC S7-1500 TM MFP - BIOS: All versions

• cpe:2.3:a:siemens:simatic_s7-1500_tm_mfp_-_bios:*:*:*:*:*:*:*:*

https://cert-portal.siemens.com/productcert/txt/ssa-831302.txt

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

16) Buffer overflow

EUVDB-ID: #VU61295

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2022-23219

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the clnt_create() function in the sunrpc module. A remote attacker can pass specially crafted input to the application that is using the affected library version, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

SIMATIC S7-1500 TM MFP - BIOS: All versions

• cpe:2.3:a:siemens:simatic_s7-1500_tm_mfp_-_bios:*:*:*:*:*:*:*:*

https://cert-portal.siemens.com/productcert/txt/ssa-831302.txt

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

17) OS Command Injection

EUVDB-ID: #VU65004

Risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2022-28391

CWE-ID: CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Exploit availability: No

The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation of DNS PTR records output within the netstat utility if executed on VT compatible terminal. A remote attacker can trick the victim to run the netstat command after initiating a connection to the system and execute arbitrary OS commands on the target system with privileges of the user running the netstat command.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

SIMATIC S7-1500 TM MFP - BIOS: All versions

• cpe:2.3:a:siemens:simatic_s7-1500_tm_mfp_-_bios:*:*:*:*:*:*:*:*

https://cert-portal.siemens.com/productcert/txt/ssa-831302.txt

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

18) Use-after-free

EUVDB-ID: #VU66182

Risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2022-30065

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error when processing a crafted awk pattern in the copyvar function. A remote attacker can execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

SIMATIC S7-1500 TM MFP - BIOS: All versions

• cpe:2.3:a:siemens:simatic_s7-1500_tm_mfp_-_bios:*:*:*:*:*:*:*:*

https://cert-portal.siemens.com/productcert/txt/ssa-831302.txt

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

19) Race condition

EUVDB-ID: #VU67478

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-39188

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Exploit availability: No

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a race condition within include/asm-generic/tlb.h in the Linux kernel. A local user can exploit the race and escalate privileges on the system.

Note, this only occurs in situations with VM_PFNMAP VMAs.

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

SIMATIC S7-1500 TM MFP - BIOS: All versions

• cpe:2.3:a:siemens:simatic_s7-1500_tm_mfp_-_bios:*:*:*:*:*:*:*:*

https://cert-portal.siemens.com/productcert/txt/ssa-831302.txt

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

20) Out-of-bounds read

EUVDB-ID: #VU67508

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-39190

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

The vulnerability allows a local user to perform a denial of service attack.

The vulnerability exists due to an out-of-bounds read error within the net/netfilter/nf_tables_api.c in the Linux kernel. A local user can bind to an already bound chain and crash the kernel.

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

SIMATIC S7-1500 TM MFP - BIOS: All versions

• cpe:2.3:a:siemens:simatic_s7-1500_tm_mfp_-_bios:*:*:*:*:*:*:*:*

https://cert-portal.siemens.com/productcert/txt/ssa-831302.txt

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

21) Use-after-free

EUVDB-ID: #VU67915

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-40307

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a use-after-free error within the drivers/firmware/efi/capsule-loader.c in Linux kernel. A local user can trigger a use-after-free error and perform a denial of service (DoS) attack.

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

SIMATIC S7-1500 TM MFP - BIOS: All versions

• cpe:2.3:a:siemens:simatic_s7-1500_tm_mfp_-_bios:*:*:*:*:*:*:*:*

https://cert-portal.siemens.com/productcert/txt/ssa-831302.txt

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

22) Use-after-free

EUVDB-ID: #VU68422

Risk: Low

CVSSv4.0: 0.4 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-41222

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to a use-after-free error caused by a stale TLB in mm/mremap.c, because an rmap lock is not held during a PUD move. A local user can gain access to sensitive information.

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

SIMATIC S7-1500 TM MFP - BIOS: All versions

• cpe:2.3:a:siemens:simatic_s7-1500_tm_mfp_-_bios:*:*:*:*:*:*:*:*

https://cert-portal.siemens.com/productcert/txt/ssa-831302.txt

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

23) Use-after-free

EUVDB-ID: #VU69297

Risk: Low

CVSSv4.0: 5.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2022-42703

CWE-ID: CWE-416 - Use After Free

Exploit availability: Yes

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a use-after-free error within the mm/rmap.c in the Linux kernel, related to leaf anon_vma double reuse. A local user can trigger a use-after-free error and crash the kernel.

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

SIMATIC S7-1500 TM MFP - BIOS: All versions

• cpe:2.3:a:siemens:simatic_s7-1500_tm_mfp_-_bios:*:*:*:*:*:*:*:*

https://cert-portal.siemens.com/productcert/txt/ssa-831302.txt

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

24) Integer overflow

EUVDB-ID: #VU71173

Risk: Low

CVSSv4.0: 7.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2023-0179

CWE-ID: CWE-190 - Integer overflow

Exploit availability: Yes

The vulnerability allows a local  user to escalate privileges on the system.

The vulnerability exists due to an integer overflow within the nft_payload_copy_vlan() function in Linux kernel Netfilter. A local user can trigger an integer overflow and execute arbitrary code with elevated privileges.

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

SIMATIC S7-1500 TM MFP - BIOS: All versions

• cpe:2.3:a:siemens:simatic_s7-1500_tm_mfp_-_bios:*:*:*:*:*:*:*:*

https://cert-portal.siemens.com/productcert/txt/ssa-831302.txt

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

25) NULL pointer dereference

EUVDB-ID: #VU71352

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-0394

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error within the rawv6_push_pending_frames() function in net/ipv6/raw.c. A local user can run a specially crafted program on the system and perform a denial of service (DoS) attack.

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

SIMATIC S7-1500 TM MFP - BIOS: All versions

• cpe:2.3:a:siemens:simatic_s7-1500_tm_mfp_-_bios:*:*:*:*:*:*:*:*

https://cert-portal.siemens.com/productcert/txt/ssa-831302.txt

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

26) Buffer overflow

EUVDB-ID: #VU74123

Risk: Low

CVSSv4.0: 4 [CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-1073

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

The vulnerability allows an attacker to compromise the affected system.

The vulnerability exists due to a boundary error in the Linux kernel human interface device (HID) subsystem. An attacker with physical access to the system can insert in a specific way malicious USB device, trigger memory corruption and execute arbitrary code.

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

SIMATIC S7-1500 TM MFP - BIOS: All versions

• cpe:2.3:a:siemens:simatic_s7-1500_tm_mfp_-_bios:*:*:*:*:*:*:*:*

https://cert-portal.siemens.com/productcert/txt/ssa-831302.txt

Q & A

Can this vulnerability be exploited remotely?

No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

27) Use-after-free

EUVDB-ID: #VU58683

Risk: Low

CVSSv4.0: 4.8 [CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-42385

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

The vulnerability allows a remote user to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in the "evaluate" function. A remote administrator can execute arbitrary code on the target system.

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

SIMATIC S7-1500 TM MFP - BIOS: All versions

• cpe:2.3:a:siemens:simatic_s7-1500_tm_mfp_-_bios:*:*:*:*:*:*:*:*

https://cert-portal.siemens.com/productcert/txt/ssa-831302.txt

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

28) Use-after-free

EUVDB-ID: #VU69654

Risk: Low

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-42383

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

The vulnerability allows a remote user to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the awk applet. A remote privileged user can pass a specially crafted input to the application, trigger a use-after-free error and execute arbitrary code.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

SIMATIC S7-1500 TM MFP - BIOS: All versions

• cpe:2.3:a:siemens:simatic_s7-1500_tm_mfp_-_bios:*:*:*:*:*:*:*:*

https://cert-portal.siemens.com/productcert/txt/ssa-831302.txt

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

29) Double Free

EUVDB-ID: #VU54559

Risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-27645

CWE-ID: CWE-415 - Double Free

Exploit availability: No

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error within the nameserver caching daemon (nscd) in the GNU C Library when processing a request for netgroup lookup. A local user can initiate a specially crafted request, trigger a double free error and perform a denial of service (DoS) attack.

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

SIMATIC S7-1500 TM MFP - BIOS: All versions

• cpe:2.3:a:siemens:simatic_s7-1500_tm_mfp_-_bios:*:*:*:*:*:*:*:*

https://cert-portal.siemens.com/productcert/txt/ssa-831302.txt

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

30) Input validation error

EUVDB-ID: #VU54337

Risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2016-10228

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input. The iconv program in the GNU C Library (aka glibc or libc6) 2.31 and earlier, when invoked with multiple suffixes in the destination encoding (TRANSLATE or IGNORE) along with the -c option, enters an infinite loop when processing invalid multi-byte input sequences, leading to a denial of service.

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

SIMATIC S7-1500 TM MFP - BIOS: All versions

• cpe:2.3:a:siemens:simatic_s7-1500_tm_mfp_-_bios:*:*:*:*:*:*:*:*

https://cert-portal.siemens.com/productcert/txt/ssa-831302.txt

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

31) Out-of-bounds read

EUVDB-ID: #VU50329

Risk: Low

CVSSv4.0: 0.5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2019-25013

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary condition in GNU C Library within the iconv feature when processing multi-byte input sequences in the EUC-KR encoding. A remote attacker can pass specially crafted input to the application, trigger out-of-bounds read error and perform a denial of service (DoS) attack.

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

SIMATIC S7-1500 TM MFP - BIOS: All versions

• cpe:2.3:a:siemens:simatic_s7-1500_tm_mfp_-_bios:*:*:*:*:*:*:*:*

https://cert-portal.siemens.com/productcert/txt/ssa-831302.txt

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

32) Use-after-free

EUVDB-ID: #VU26628

Risk: High

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2020-1752

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the glob() function in glibc in the way the tilde expansion was carried out. Directory paths containing an initial tilde followed by a valid username are affected by this issue. A local user can create a specially crafted path that, when processed by the glob() function, would potentially lead to arbitrary code execution.

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

SIMATIC S7-1500 TM MFP - BIOS: All versions

• cpe:2.3:a:siemens:simatic_s7-1500_tm_mfp_-_bios:*:*:*:*:*:*:*:*

https://cert-portal.siemens.com/productcert/txt/ssa-831302.txt

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

33) Stack-based buffer overflow

EUVDB-ID: #VU26388

Risk: High

CVSSv4.0: 7.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2020-10029

CWE-ID: CWE-121 - Stack-based buffer overflow

Exploit availability: No

The vulnerability allows an attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within "sysdeps/ieee754/ldbl-96/e_rem_pio2l.c" in GNU C Library (aka glibc or libc6). An attacker can pas specially crafted input to the application and trigger a stack-based buffer overflow.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system or denial of service conditions.

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

SIMATIC S7-1500 TM MFP - BIOS: All versions

• cpe:2.3:a:siemens:simatic_s7-1500_tm_mfp_-_bios:*:*:*:*:*:*:*:*

https://cert-portal.siemens.com/productcert/txt/ssa-831302.txt

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

34) Infinite loop

EUVDB-ID: #VU50404

Risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-27618

CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')

Exploit availability: No

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to infinite loop within iconv implementation when processing multi-byte input sequences in IBM1364, IBM1371, IBM1388, IBM1390, IBM1399 encodings. A remote attacker can pass specially crafted data to the application, consume all available system resources and cause denial of service conditions.

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

SIMATIC S7-1500 TM MFP - BIOS: All versions

• cpe:2.3:a:siemens:simatic_s7-1500_tm_mfp_-_bios:*:*:*:*:*:*:*:*

https://cert-portal.siemens.com/productcert/txt/ssa-831302.txt

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

35) Reachable Assertion

EUVDB-ID: #VU49670

Risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-29562

CWE-ID: CWE-617 - Reachable Assertion

Exploit availability: No

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a reachable assertion when converting UCS4 text containing an irreversible character in the iconv function in the GNU C Library (aka glibc or libc6). A remote attacker can pass specially crafted data to the library, trigger an assertion failure and preform a denial of service attack.

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

SIMATIC S7-1500 TM MFP - BIOS: All versions

• cpe:2.3:a:siemens:simatic_s7-1500_tm_mfp_-_bios:*:*:*:*:*:*:*:*

https://cert-portal.siemens.com/productcert/txt/ssa-831302.txt

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

36) Reachable Assertion

EUVDB-ID: #VU50075

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-3326

CWE-ID: CWE-617 - Reachable Assertion

Exploit availability: No

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a reachable assertion within the iconv function in the GNU C Library (aka glibc or libc6) when processing invalid input sequences in the ISO-2022-JP-3 encoding. A remote attacker can pass specially crafted data to the application, trigger an assertion failure and crash the affected application.

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

SIMATIC S7-1500 TM MFP - BIOS: All versions

• cpe:2.3:a:siemens:simatic_s7-1500_tm_mfp_-_bios:*:*:*:*:*:*:*:*

https://cert-portal.siemens.com/productcert/txt/ssa-831302.txt

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

37) Memory leak

EUVDB-ID: #VU61292

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-3998

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

Exploit availability: No

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due memory leak in glibc realpath() function. A remote attacker can force the application to leak memory and perform denial of service attack or gain access to sensitive information.

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

SIMATIC S7-1500 TM MFP - BIOS: All versions

• cpe:2.3:a:siemens:simatic_s7-1500_tm_mfp_-_bios:*:*:*:*:*:*:*:*

https://cert-portal.siemens.com/productcert/txt/ssa-831302.txt

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

38) Off-by-one

EUVDB-ID: #VU61293

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2021-3999

CWE-ID: CWE-193 - Off-by-one Error

Exploit availability: No

The vulnerability allows a remote attacker to execute arbitrary code on the system.

The vulnerability exists due to an off-by-one error glibc getcwd() function. A remote attacker can pass specially crafted input to the application that is using the affected library version, trigger an off-by-one error and execute arbitrary code on the target system.

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

SIMATIC S7-1500 TM MFP - BIOS: All versions

• cpe:2.3:a:siemens:simatic_s7-1500_tm_mfp_-_bios:*:*:*:*:*:*:*:*

https://cert-portal.siemens.com/productcert/txt/ssa-831302.txt

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

39) Incorrect default permissions

EUVDB-ID: #VU77475

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-20269

CWE-ID: CWE-276 - Incorrect Default Permissions

Exploit availability: No

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to incorrect default permissions for files and folders that are set by the application. A local user can read arbitrary files and leak kernel internal information from a previous panic.

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

SIMATIC S7-1500 TM MFP - BIOS: All versions

• cpe:2.3:a:siemens:simatic_s7-1500_tm_mfp_-_bios:*:*:*:*:*:*:*:*

https://cert-portal.siemens.com/productcert/txt/ssa-831302.txt

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

40) Improper Handling of Exceptional Conditions

EUVDB-ID: #VU51741

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-28831

CWE-ID: CWE-755 - Improper Handling of Exceptional Conditions

Exploit availability: No

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper handling of error bit on the huft_build result pointer in decompress_gunzip.c. A remote attacker can pass malformed gzip data to the application, trigger an invalid free and perform a denial of service (DoS) attack.

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

SIMATIC S7-1500 TM MFP - BIOS: All versions

• cpe:2.3:a:siemens:simatic_s7-1500_tm_mfp_-_bios:*:*:*:*:*:*:*:*

https://cert-portal.siemens.com/productcert/txt/ssa-831302.txt

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

41) Use-after-free

EUVDB-ID: #VU58684

Risk: Low

CVSSv4.0: 4.8 [CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-42382

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

The vulnerability allows a remote user to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in the "getvar_s" function. A remote administrator can execute arbitrary code on the target system.

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

SIMATIC S7-1500 TM MFP - BIOS: All versions

• cpe:2.3:a:siemens:simatic_s7-1500_tm_mfp_-_bios:*:*:*:*:*:*:*:*

https://cert-portal.siemens.com/productcert/txt/ssa-831302.txt

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

42) Use-after-free

EUVDB-ID: #VU54560

Risk: High

CVSSv4.0: 7.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2021-33574

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in the mq_notify() function in the GNU C Library. A remote attacker can force the library to use the notification thread attributes object (passed through its struct sigevent parameter) after it has been freed by the caller, leading to a denial of service or possibly remote code execution.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

SIMATIC S7-1500 TM MFP - BIOS: All versions

• cpe:2.3:a:siemens:simatic_s7-1500_tm_mfp_-_bios:*:*:*:*:*:*:*:*

https://cert-portal.siemens.com/productcert/txt/ssa-831302.txt

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

43) Integer overflow

EUVDB-ID: #VU55972

Risk: Medium

CVSSv4.0: 4.9 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-35942

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

The vulnerability allows a remote attacker to gain access to sensitive information or perform a DoS attack.

The vulnerability exists due to integer overflow in parse_param in posix/wordexp.c in the GNU C Library when called with an untrusted pattern. A remote attacker can pass specially crafted data to the application, trigger integer overflow and read arbitrary memory on the system of perform a denial of service (DoS) attack.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

SIMATIC S7-1500 TM MFP - BIOS: All versions

• cpe:2.3:a:siemens:simatic_s7-1500_tm_mfp_-_bios:*:*:*:*:*:*:*:*

https://cert-portal.siemens.com/productcert/txt/ssa-831302.txt

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

44) NULL pointer dereference

EUVDB-ID: #VU55916

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-38604

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in the "sysdeps/unix/sysv/linux/mq_notify.c" file within NOTIFY_REMOVED data. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

SIMATIC S7-1500 TM MFP - BIOS: All versions

• cpe:2.3:a:siemens:simatic_s7-1500_tm_mfp_-_bios:*:*:*:*:*:*:*:*

https://cert-portal.siemens.com/productcert/txt/ssa-831302.txt

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

45) NULL pointer dereference

EUVDB-ID: #VU69651

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-42373

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error within the man applet when a section name is supplied but no page argument is given. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

SIMATIC S7-1500 TM MFP - BIOS: All versions

• cpe:2.3:a:siemens:simatic_s7-1500_tm_mfp_-_bios:*:*:*:*:*:*:*:*

https://cert-portal.siemens.com/productcert/txt/ssa-831302.txt

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

46) Out-of-bounds read

EUVDB-ID: #VU58670

Risk: Medium

CVSSv4.0: 4.8 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-42374

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in "unlzma". A remote attacker can trigger out-of-bounds read error and read contents of memory on the system or perform a denial of service (DoS) attack.

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

SIMATIC S7-1500 TM MFP - BIOS: All versions

• cpe:2.3:a:siemens:simatic_s7-1500_tm_mfp_-_bios:*:*:*:*:*:*:*:*

https://cert-portal.siemens.com/productcert/txt/ssa-831302.txt

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

47) Input validation error

EUVDB-ID: #VU69652

Risk: Low

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-42375

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

The vulnerability allows a remote user to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input within the ash applet. A remote user can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

SIMATIC S7-1500 TM MFP - BIOS: All versions

• cpe:2.3:a:siemens:simatic_s7-1500_tm_mfp_-_bios:*:*:*:*:*:*:*:*

https://cert-portal.siemens.com/productcert/txt/ssa-831302.txt

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

48) NULL pointer dereference

EUVDB-ID: #VU59877

Risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-42376

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in Busybox's hush applet when processing a crafted shell command with a \x03 delimiter character. A local user can pass specially crafted string to the affected applet and crash the application.

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

SIMATIC S7-1500 TM MFP - BIOS: All versions

• cpe:2.3:a:siemens:simatic_s7-1500_tm_mfp_-_bios:*:*:*:*:*:*:*:*

https://cert-portal.siemens.com/productcert/txt/ssa-831302.txt

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

49) Release of invalid pointer or reference

EUVDB-ID: #VU69653

Risk: Medium

CVSSv4.0: 6.9 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-42377

CWE-ID: CWE-763 - Release of invalid pointer or reference

Exploit availability: No

The vulnerability allows a remote attacker execute arbitrary code on the system.

The vulnerability exists due to improper input validation within the hush applet. A remote attacker can pass a specially crafted input to the application and potentially execute arbitrary shell commands.

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

SIMATIC S7-1500 TM MFP - BIOS: All versions

• cpe:2.3:a:siemens:simatic_s7-1500_tm_mfp_-_bios:*:*:*:*:*:*:*:*

https://cert-portal.siemens.com/productcert/txt/ssa-831302.txt

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

50) Use-after-free

EUVDB-ID: #VU58680

Risk: Low

CVSSv4.0: 4.8 [CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-42378

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

The vulnerability allows a remote user to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in the "getvar_i" function. A remote administrator can execute arbitrary code on the target system.

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

SIMATIC S7-1500 TM MFP - BIOS: All versions

• cpe:2.3:a:siemens:simatic_s7-1500_tm_mfp_-_bios:*:*:*:*:*:*:*:*

https://cert-portal.siemens.com/productcert/txt/ssa-831302.txt

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

51) Use-after-free

EUVDB-ID: #VU58692

Risk: Low

CVSSv4.0: 4.8 [CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-42379

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

The vulnerability allows a remote user to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in the "next_input_file" function. A remote administrator can execute arbitrary code on the target system.

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

SIMATIC S7-1500 TM MFP - BIOS: All versions

• cpe:2.3:a:siemens:simatic_s7-1500_tm_mfp_-_bios:*:*:*:*:*:*:*:*

https://cert-portal.siemens.com/productcert/txt/ssa-831302.txt

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

52) Use-after-free

EUVDB-ID: #VU58694

Risk: Low

CVSSv4.0: 4.8 [CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-42380

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

The vulnerability allows a remote user to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in the "next_input_file" function. A remote administrator can execute arbitrary code on the target system.

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

SIMATIC S7-1500 TM MFP - BIOS: All versions

• cpe:2.3:a:siemens:simatic_s7-1500_tm_mfp_-_bios:*:*:*:*:*:*:*:*

https://cert-portal.siemens.com/productcert/txt/ssa-831302.txt

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

53) Use-after-free

EUVDB-ID: #VU58673

Risk: Low

CVSSv4.0: 4.8 [CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-42381

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

The vulnerability allows a remote user to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in the "hash_init" function. A remote administrator can execute arbitrary code on the target system.

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

SIMATIC S7-1500 TM MFP - BIOS: All versions

• cpe:2.3:a:siemens:simatic_s7-1500_tm_mfp_-_bios:*:*:*:*:*:*:*:*

https://cert-portal.siemens.com/productcert/txt/ssa-831302.txt

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.