CVE-2022-40637: 
Ansys SpaceClaim vulnerability analysis and mitigation

A remote code execution vulnerability (CVE-2022-40637) was discovered in Ansys SpaceClaim 2022 R1. The vulnerability allows remote attackers to execute arbitrary code on affected installations through malicious JT file parsing. The vulnerability was disclosed on September 14, 2022 and received a CVSS score of 7.0 (ZDI Advisory).

The vulnerability exists within the parsing of JT files in Ansys SpaceClaim. The specific flaw results from the lack of validating the existence of an object prior to performing operations on the object, leading to a use-after-free condition. This vulnerability has been assigned a CVSS v3.0 base score of 7.0 (AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H) (ZDI Advisory).

An attacker can leverage this vulnerability to execute arbitrary code in the context of the current process on affected installations of Ansys SpaceClaim. However, user interaction is required as the target must visit a malicious page or open a malicious file (ZDI Advisory).

The vulnerability has been fixed in Ansys SpaceClaim 2023 R2. Users are advised to upgrade to this version to mitigate the risk (ZDI Advisory).