CVE-2022-40643 Null dereference in SpaceClaim

High 7.8 Published 15 Sep 2022 Updated 3 Aug 2024

Remote attackers can execute arbitrary code by tricking users into opening malicious X_B files in Ansys SpaceClaim due to uninitialized pointer access.

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-2022-40643?

CVE-2022-40643 is a high-severity vulnerability in Ansys SpaceClaim, published on 15 Sep 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

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Ansys SpaceClaim 2022 R1. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of X_B files. The issue results from the lack of proper initialization of a pointer prior to accessing it. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-17407.

Weakness: CWE-824

Which versions are affected by CVE-2022-40643?

It affects 1 product.

Products include Ansys Spaceclaim.

How do I fix CVE-2022-40643?

No fix has been published for CVE-2022-40643 yet. Limit exposure of the affected software until one is available.

Is CVE-2022-40643 being exploited?

There is no known exploitation of CVE-2022-40643 in the wild and no public exploit code.

Sources

Also known as GHSA-pr3m-xhhg-cv33.