Advisory Details

September 14th, 2022

(0Day) Ansys SpaceClaim SKP File Parsing Use-After-Free Remote Code Execution Vulnerability

ZDI-22-1195
ZDI-CAN-17207

CVE ID CVE-2022-40639
CVSS SCORE 7.8, AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AFFECTED VENDORS Ansys
AFFECTED PRODUCTS SpaceClaim
VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Ansys SpaceClaim. 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 SKP files. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process.

ADDITIONAL DETAILS

Fixed in Ansys SpaceClaim 2023 R2.


DISCLOSURE TIMELINE
  • 2022-05-30 - Vulnerability reported to vendor
  • 2022-09-14 - Coordinated public release of advisory
  • 2023-09-07 - Advisory Updated
CREDIT Anonymous
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