Multiple vulnerabilities in Siemens SIMATIC WinCC



Published: 2024-02-20
Risk Low
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2023-48363
CVE-2023-48364
CWE-ID CWE-476
Exploitation vector Local network
Public exploit N/A
Vulnerable software
Subscribe
OpenPCS 7
Server applications / SCADA systems

SIMATIC BATCH
Server applications / SCADA systems

SIMATIC Route Control
Server applications / SCADA systems

SIMATIC WinCC Runtime Professional
Server applications / SCADA systems

Siemens SIMATIC WinCC
Server applications / SCADA systems

SIMATIC PCS 7
Server applications / SCADA systems

Vendor Siemens

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) NULL pointer dereference

EUVDB-ID: #VU86606

Risk: Low

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

CVE-ID: CVE-2023-48363

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

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 implementation of the RPC (Remote Procedure call) communication protocol. A remote attacker on the local network can pass specially crafted data to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

OpenPCS 7: 9.1

SIMATIC BATCH: 9.1

SIMATIC Route Control: 9.1

SIMATIC WinCC Runtime Professional: 18.0 - 19.0

Siemens SIMATIC WinCC: 7.4 - 8.0

SIMATIC PCS 7: 9.1

External links

http://cert-portal.siemens.com/productcert/html/ssa-753746.html


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

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.

2) NULL pointer dereference

EUVDB-ID: #VU86607

Risk: Low

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

CVE-ID: CVE-2023-48364

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

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 implementation of the RPC (Remote Procedure call) communication protocol. A remote attacker on the local network can pass specially crafted data to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

OpenPCS 7: 9.1

SIMATIC BATCH: 9.1

SIMATIC Route Control: 9.1

SIMATIC WinCC Runtime Professional: 18.0 - 19.0

Siemens SIMATIC WinCC: 7.4 - 8.0

SIMATIC PCS 7: 9.1

External links

http://cert-portal.siemens.com/productcert/html/ssa-753746.html


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

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.



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