Description (CNA)
PassMark PerformanceTest before 11.1 build 1012, BurnInTest before 11.1 build 1000, and OSForensics before 11.1 build 1016 contain a hard-coded credentials vulnerability in DirectIo64.sys that allows local attackers to perform arbitrary physical memory writes by extracting an 8-byte key embedded as a hardcoded literal in the distributed binary and computing valid MD5 authentication tags for arbitrary IOCTL write requests. Attackers can additionally bypass a secondary validation gate by using the driver's own bit-clear IOCTL to clear a single bit in the gating instruction's displacement byte, causing all subsequent write requests to skip MAC verification, size checks, and Vendor ID checks entirely.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| PassMark Software / PerformanceTest | affected 0 before 11.1 build 1012 |
| PassMark Software / BurnInTest | affected 0 before 11.1 build 1000 |
| PassMark Software / OSForensics | affected 0 before 11.1 build 1016 |
CWE
CWE-321
References
- https://github.com/floppywiggler/directio64-disclosure
- https://www.passmark.com/products/performancetest/history.php
- https://www.passmark.com/products/burnintest/history.php
- https://www.osforensics.com/whats-new.html
- https://dkom.dev/posts/directio64-disclosure/
- https://www.vulncheck.com/advisories/passmark-performancetest-burnintest-and-osforensics-hard-coded-credentials-authentication-bypass-via-directio64-sys
ADP enrichment
No English description supplied.
No references supplied.