CVE-2022-39157 Memory corruption in Parasolid V34.0

High 7.8 Published Updated

An out-of-bounds read in Parasolid allows attackers to execute arbitrary code via crafted X_T files, affecting Siemens engineering software.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2022-39157?

CVE-2022-39157 is a high-severity memory corruption vulnerability in Siemens Parasolid, published on 8 Nov 2022. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

A vulnerability has been identified in Parasolid V34.0 (All versions < V34.0.252), Parasolid V34.0 (All versions >= V34.0.252 < V34.0.254), Parasolid V34.1 (All versions < V34.1.242), Parasolid V34.1 (All versions >= V34.1.242 < V34.1.244), Parasolid V35.0 (All versions < V35.0.170), Parasolid V35.0 (All versions >= V35.0.170 < V35.0.184), Simcenter Femap (All versions < V2023.1). The affected application contains an out of bounds read past the end of an allocated structure while parsing specially crafted X_T files. This could allow an attacker to execute code in the context of the current process. (ZDI-CAN-17745)

Weakness: CWE-125

Which versions are affected by CVE-2022-39157?

It affects 1 product.

Products include Siemens Parasolid.

How do I fix CVE-2022-39157?

No fix has been published for CVE-2022-39157 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2022-39157 being exploited?

There is no known exploitation of CVE-2022-39157 in the wild and no public exploit code.

All Siemens Parasolid vulnerabilities

Sources

Also known as GHSA-5m2g-whv8-xj9q.

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