Multiple vulnerabilities in Dell VxRail



Published: 2022-11-17 | Updated: 2023-07-10
Risk Critical
Patch available YES
Number of vulnerabilities 26
CVE-ID CVE-2021-0093
CVE-2021-0127
CVE-2021-0125
CVE-2021-0124
CVE-2021-0118
CVE-2021-0117
CVE-2021-0116
CVE-2021-0115
CVE-2021-0114
CVE-2021-0111
CVE-2021-0107
CVE-2021-0103
CVE-2021-0099
CVE-2021-0092
CVE-2021-0060
CVE-2021-0147
CVE-2021-0119
CVE-2021-0091
CVE-2021-28211
CVE-2021-28210
CVE-2019-14584
CVE-2021-3712
CVE-2022-24423
CVE-2022-24422
CVE-2022-22965
CVE-2022-22963
CWE-ID CWE-276
CWE-20
CWE-665
CWE-284
CWE-125
CWE-824
CWE-787
CWE-119
CWE-252
CWE-476
CWE-264
CWE-653
CWE-667
CWE-122
CWE-674
CWE-287
CWE-94
Exploitation vector Network
Public exploit Vulnerability #25 is being exploited in the wild.
Vulnerability #26 is being exploited in the wild.
Vulnerable software
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Dell EMC VxRail Appliance
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor Dell

Security Bulletin

This security bulletin contains information about 26 vulnerabilities.

1) Incorrect default permissions

EUVDB-ID: #VU60612

Risk: Low

CVSSv3.1: 2 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-0093

CWE-ID: CWE-276 - Incorrect Default Permissions

Exploit availability: No

Description

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

The vulnerability exists due to incorrect default permissions in the firmware. A local administrator can cause a denial of service condition on the target system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Dell EMC VxRail Appliance: before 4.5.480

External links

http://www.dell.com/support/kbdoc/en-us/000200100/dsa-2022-137-dell-vxrail-security-update-for-multiple-third-party-component-vulnerabilities


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 device 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) Input validation error

EUVDB-ID: #VU60493

Risk: Low

CVSSv3.1: 4.9 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-0127

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to insufficient control flow management. A local user can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Dell EMC VxRail Appliance: before 4.5.480

External links

http://www.dell.com/support/kbdoc/en-us/000200100/dsa-2022-137-dell-vxrail-security-update-for-multiple-third-party-component-vulnerabilities


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 device 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.

3) Improper Initialization

EUVDB-ID: #VU60607

Risk: Low

CVSSv3.1: 5.8 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-0125

CWE-ID: CWE-665 - Improper Initialization

Exploit availability: No

Description

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

The vulnerability exists due to improper initialization in the firmware. A local administrator can run a specially crafted application to execute arbitrary code with escalated privileges on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Dell EMC VxRail Appliance: before 4.5.480

External links

http://www.dell.com/support/kbdoc/en-us/000200100/dsa-2022-137-dell-vxrail-security-update-for-multiple-third-party-component-vulnerabilities


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 device 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) Improper access control

EUVDB-ID: #VU60608

Risk: Low

CVSSv3.1: 5.5 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-0124

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a local user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions in the firmware. A local administrator can bypass implemented security restrictions and gain elevated privileges on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Dell EMC VxRail Appliance: before 4.5.480

External links

http://www.dell.com/support/kbdoc/en-us/000200100/dsa-2022-137-dell-vxrail-security-update-for-multiple-third-party-component-vulnerabilities


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 device 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.

5) Out-of-bounds read

EUVDB-ID: #VU60602

Risk: Low

CVSSv3.1: 6.9 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-0118

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

Exploit availability: No

Description

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

The vulnerability exists due to a boundary condition in the firmware. A local administrator can trigger out-of-bounds read error and read contents of memory on the system, leading to privilege escalation.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Dell EMC VxRail Appliance: before 4.5.480

External links

http://www.dell.com/support/kbdoc/en-us/000200100/dsa-2022-137-dell-vxrail-security-update-for-multiple-third-party-component-vulnerabilities


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 device 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.

6) Access of Uninitialized Pointer

EUVDB-ID: #VU60601

Risk: Low

CVSSv3.1: 6.9 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-0117

CWE-ID: CWE-824 - Access of Uninitialized Pointer

Exploit availability: No

Description

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

The vulnerability exists due to pointer issues in the firmware. A local administrator can gain elevated privileges on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Dell EMC VxRail Appliance: before 4.5.480

External links

http://www.dell.com/support/kbdoc/en-us/000200100/dsa-2022-137-dell-vxrail-security-update-for-multiple-third-party-component-vulnerabilities


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 device 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) Out-of-bounds write

EUVDB-ID: #VU60600

Risk: Low

CVSSv3.1: 6.9 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-0116

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

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error when processing untrusted input in the firmware. A local administrator can trigger out-of-bounds write and gain elevated privileges on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Dell EMC VxRail Appliance: before 4.5.480

External links

http://www.dell.com/support/kbdoc/en-us/000200100/dsa-2022-137-dell-vxrail-security-update-for-multiple-third-party-component-vulnerabilities


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 device 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) Buffer overflow

EUVDB-ID: #VU60599

Risk: Low

CVSSv3.1: 6.9 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-0115

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error in the firmware. A local administrator can trigger memory corruption and gain elevated privileges on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Dell EMC VxRail Appliance: before 4.5.480

External links

http://www.dell.com/support/kbdoc/en-us/000200100/dsa-2022-137-dell-vxrail-security-update-for-multiple-third-party-component-vulnerabilities


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 device 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.

9) Unchecked Return Value

EUVDB-ID: #VU60598

Risk: Low

CVSSv3.1: 6.9 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-0114

CWE-ID: CWE-252 - Unchecked Return Value

Exploit availability: No

Description

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

The vulnerability exists due to unchecked return value in the firmware, which leads to security restrictions bypass and privilege escalation.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Dell EMC VxRail Appliance: before 4.5.480

External links

http://www.dell.com/support/kbdoc/en-us/000200100/dsa-2022-137-dell-vxrail-security-update-for-multiple-third-party-component-vulnerabilities


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 device 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) NULL pointer dereference

EUVDB-ID: #VU60605

Risk: Low

CVSSv3.1: 6.3 [CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-0111

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

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

The vulnerability exists due to a NULL pointer dereference error in the firmware. A local administrator can pass specially crafted data to the application and gain elevated privileges on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Dell EMC VxRail Appliance: before 4.5.480

External links

http://www.dell.com/support/kbdoc/en-us/000200100/dsa-2022-137-dell-vxrail-security-update-for-multiple-third-party-component-vulnerabilities


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 device 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.

11) Unchecked Return Value

EUVDB-ID: #VU60606

Risk: Low

CVSSv3.1: 6.3 [CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-0107

CWE-ID: CWE-252 - Unchecked Return Value

Exploit availability: No

Description

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

The vulnerability exists due to unchecked return value in the firmware, which leads to security restrictions bypass and privilege escalation.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Dell EMC VxRail Appliance: before 4.5.480

External links

http://www.dell.com/support/kbdoc/en-us/000200100/dsa-2022-137-dell-vxrail-security-update-for-multiple-third-party-component-vulnerabilities


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 device 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) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU60597

Risk: Low

CVSSv3.1: 7.1 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-0103

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

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

The vulnerability exists due to insufficient control flow management in the firmware, which leads to security restrictions bypass and privilege escalation.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Dell EMC VxRail Appliance: before 4.5.480

External links

http://www.dell.com/support/kbdoc/en-us/000200100/dsa-2022-137-dell-vxrail-security-update-for-multiple-third-party-component-vulnerabilities


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 device 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.

13) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU60603

Risk: Low

CVSSv3.1: 7.1 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-0099

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

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

The vulnerability exists due to insufficient control flow management in the firmware, which leads to security restrictions bypass and privilege escalation.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Dell EMC VxRail Appliance: before 4.5.480

External links

http://www.dell.com/support/kbdoc/en-us/000200100/dsa-2022-137-dell-vxrail-security-update-for-multiple-third-party-component-vulnerabilities


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 device 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) Improper access control

EUVDB-ID: #VU60610

Risk: Low

CVSSv3.1: 4.1 [CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-0092

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a local user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions in the firmware. A local administrator can bypass implemented security restrictions and perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Dell EMC VxRail Appliance: before 4.5.480

External links

http://www.dell.com/support/kbdoc/en-us/000200100/dsa-2022-137-dell-vxrail-security-update-for-multiple-third-party-component-vulnerabilities


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 device 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.

15) Improper isolation or compartmentalization

EUVDB-ID: #VU60450

Risk: Low

CVSSv3.1: 6.6 [CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-0060

CWE-ID: CWE-653 - Improper isolation or compartmentalization

Exploit availability: No

Description

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

The vulnerability exists due to insufficient compartmentalization in HECI subsystem for the Intel(R) SPS. An attacker with physical access to the system can execute arbitrary code with elevated privileges.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Dell EMC VxRail Appliance: before 4.5.480

External links

http://www.dell.com/support/kbdoc/en-us/000200100/dsa-2022-137-dell-vxrail-security-update-for-multiple-third-party-component-vulnerabilities


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 device 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) Improper locking

EUVDB-ID: #VU60452

Risk: Low

CVSSv3.1: 5.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-0147

CWE-ID: CWE-667 - Improper Locking

Exploit availability: No

Description

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

The vulnerability exists due to double-locking error. An authenticated local user can exploit this vulnerability to cause a deadlock, resulting in a denial of service condition.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Dell EMC VxRail Appliance: before 4.5.480

External links

http://www.dell.com/support/kbdoc/en-us/000200100/dsa-2022-137-dell-vxrail-security-update-for-multiple-third-party-component-vulnerabilities


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 device 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.

17) Improper Initialization

EUVDB-ID: #VU60609

Risk: Low

CVSSv3.1: 5.1 [CVSS:3.1/AV:P/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-0119

CWE-ID: CWE-665 - Improper Initialization

Exploit availability: No

Description

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

The vulnerability exists due to improper initialization in the firmware. An administrator with physical access can gain elevated privileges on the target system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Dell EMC VxRail Appliance: before 4.5.480

External links

http://www.dell.com/support/kbdoc/en-us/000200100/dsa-2022-137-dell-vxrail-security-update-for-multiple-third-party-component-vulnerabilities


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 device 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) Improper access control

EUVDB-ID: #VU60611

Risk: Low

CVSSv3.1: 2.8 [CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-0091

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a local attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions in the firmware. A local attacker can bypass implemented security restrictions and gain elevated privileges on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Dell EMC VxRail Appliance: before 4.5.480

External links

http://www.dell.com/support/kbdoc/en-us/000200100/dsa-2022-137-dell-vxrail-security-update-for-multiple-third-party-component-vulnerabilities


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 device 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.

19) Heap-based buffer overflow

EUVDB-ID: #VU54481

Risk: Low

CVSSv3.1: 5.8 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-28211

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error within the LzmaUefiDecompressGetInfo() function. A local user can run a specially crafted program to trigger a heap-based buffer overflow and execute arbitrary code with elevated privileges.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Dell EMC VxRail Appliance: before 4.5.480

External links

http://www.dell.com/support/kbdoc/en-us/000200100/dsa-2022-137-dell-vxrail-security-update-for-multiple-third-party-component-vulnerabilities


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 device 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) Uncontrolled Recursion

EUVDB-ID: #VU62014

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-28210

CWE-ID: CWE-674 - Uncontrolled Recursion

Exploit availability: No

Description

The vulnerability allows a local user to execute arbitrary code on the target system.

The vulnerability exists due to an unlimited recursion in DxeCore. A local user can execute arbitrary code on the target system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Dell EMC VxRail Appliance: before 4.5.480

External links

http://www.dell.com/support/kbdoc/en-us/000200100/dsa-2022-137-dell-vxrail-security-update-for-multiple-third-party-component-vulnerabilities


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 device 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) NULL pointer dereference

EUVDB-ID: #VU54483

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-14584

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

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

The vulnerability exists due to a NULL pointer dereference error. A local user can run a specially crafted program to escalate privileges on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Dell EMC VxRail Appliance: before 4.5.480

External links

http://www.dell.com/support/kbdoc/en-us/000200100/dsa-2022-137-dell-vxrail-security-update-for-multiple-third-party-component-vulnerabilities


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 device 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) Out-of-bounds read

EUVDB-ID: #VU56064

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-3712

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

Exploit availability: No

Description

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

The vulnerability exists due to a boundary condition when processing ASN.1 strings related to a confusion with NULL termination of strings in array. A remote attacker can pass specially crafted data to the application to trigger an out-of-bounds read error and read contents of memory on the system or perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Dell EMC VxRail Appliance: before 4.5.480

External links

http://www.dell.com/support/kbdoc/en-us/000200100/dsa-2022-137-dell-vxrail-security-update-for-multiple-third-party-component-vulnerabilities


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 device 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) Input validation error

EUVDB-ID: #VU69406

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-24423

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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. A remote attacker can cause resource exhaustion in the webserver, resulting in a denial of service condition.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Dell EMC VxRail Appliance: before 4.5.480

External links

http://www.dell.com/support/kbdoc/en-us/000200100/dsa-2022-137-dell-vxrail-security-update-for-multiple-third-party-component-vulnerabilities


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 device 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) Improper Authentication

EUVDB-ID: #VU66177

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-24422

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error in when processing authentication requests. A remote attacker can bypass authentication process and gain access to the VNC Console.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Dell EMC VxRail Appliance: before 4.5.480

External links

http://www.dell.com/support/kbdoc/en-us/000200100/dsa-2022-137-dell-vxrail-security-update-for-multiple-third-party-component-vulnerabilities


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 device 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) Code Injection

EUVDB-ID: #VU61756

Risk: Critical

CVSSv3.1: 9.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:H/RL:O/RC:C]

CVE-ID: CVE-2022-22965

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')

Exploit availability: Yes

Description

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

The vulnerability exists due to improper input validation. A remote attacker can send a specially crafted HTTP request to the affected application and execute arbitrary code on the target system.

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

Note, the vulnerability is being actively exploited in the wild.

This vulnerability was dubbed "Spring4Shell".

Mitigation

Install update from vendor's website.

Vulnerable software versions

Dell EMC VxRail Appliance: before 4.5.480

External links

http://www.dell.com/support/kbdoc/en-us/000200100/dsa-2022-137-dell-vxrail-security-update-for-multiple-third-party-component-vulnerabilities


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 device in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.

26) Code Injection

EUVDB-ID: #VU61754

Risk: Critical

CVSSv3.1: 9.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:H/RL:O/RC:C]

CVE-ID: CVE-2022-22963

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')

Exploit availability: Yes

Description

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

The vulnerability exists due to improper input validation within the routing functionality when processing SpEL expressions. A remote attacker can send a specially crafted HTTP request and execute arbitrary code on the target system.

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


Mitigation

Install update from vendor's website.

Vulnerable software versions

Dell EMC VxRail Appliance: before 4.5.480

External links

http://www.dell.com/support/kbdoc/en-us/000200100/dsa-2022-137-dell-vxrail-security-update-for-multiple-third-party-component-vulnerabilities


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 device in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.



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