Out-of-bounds Read in Ansys Spaceclaim

CVE-2022-40640

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 validation of user-supplied data, which can result in a read before the start of an allocated data structure. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-17308.

Vulnerability class: Buffer Overflow

EPSS: 0.005 (41.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2022-40640?
CVE-2022-40640 is a high-severity vulnerability in Ansys Spaceclaim, classified under Out-of-bounds Read. CVSS score: 7.8/10. Published 2022-09-15.
How severe is CVE-2022-40640?
High severity. CVSS v3 base score is 7.8 out of 10.