#VU80650 Heap-based buffer overflow in Siemens products - CVE-2023-3935

Vulnerability identifier: #VU80650

Vulnerability 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-2023-3935

CWE-ID: CWE-122

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
PSS CAPE
Other software / Other software solutions
PSS E
Other software / Other software solutions
PSS ODMS
Other software / Other software solutions
SIMATIC PCS neo
Web applications / Other software
SIMATIC WinCC OA
Server applications / SCADA systems
SINEC INS
Server applications / SCADA systems
SIMIT Simulation Platform
Hardware solutions / Firmware
SINEMA Remote Connect
Client/Desktop applications / Other client software

Vendor: Siemens

Description

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

The vulnerability exists due to a boundary error in the CodeMeter Runtime. A remote attacker can pass specially crafted data to the application, trigger a heap-based buffer overflow and execute arbitrary code on the target system.

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

Mitigation
Install updates from vendor's website.

Vulnerable software versions

PSS CAPE: 14 - 15

PSS E: 34 - 35

PSS ODMS: 13.0 - 13.1

SIMATIC PCS neo: 3.0 - 4.0

SIMATIC WinCC OA: 3.17 - 3.19

SIMIT Simulation Platform: All versions

SINEC INS: All versions

SINEMA Remote Connect: All versions

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External links
https://cert-portal.siemens.com/productcert/txt/ssa-240541.txt

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Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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