#VU79284 Out-of-bounds read in Siemens products - CVE-2023-30795

Vulnerability identifier: #VU79284

Vulnerability risk: High

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/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-2023-30795

CWE-ID: CWE-125

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Parasolid
Client/Desktop applications / Other client software
JT Open
Other software / Other software solutions
JT Utilities
Other software / Other software solutions

Vendor: Siemens

Description

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

The vulnerability exists due to a boundary condition while parsing specially crafted JT files. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger an out-of-bounds read error and read contents of memory on the system, leading to arbitrary code execution.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Parasolid: 34.0 - 35.1

JT Open: before 11.4

JT Utilities: before 13.4

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External links
https://cert-portal.siemens.com/productcert/pdf/ssa-001569.pdf

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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.