Description
PassMark PerformanceTest before 11.1 build 1012, BurnInTest before 11.1 build 1000, and OSForensics before 11.1 build 1016 contain a privilege escalation vulnerability in DirectIo64.sys that allows local users to modify hardware configuration by exploiting exposed IOCTLs with no validation on device selection, register offset, or value. Attackers can obtain a device handle and issue arbitrary PCI configuration space read/write operations to enable Bus Master DMA on any PCI device, halt storage controller I/O by clearing command registers, or remap Base Address Registers to redirect DMA to an attacker-chosen physical address.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| PassMark Software | PerformanceTest | < 11.1 build 1012 | 11.1 build 1012 |
| PassMark Software | BurnInTest | < 11.1 build 1000 | 11.1 build 1000 |
| PassMark Software | OSForensics | < 11.1 build 1016 | 11.1 build 1016 |
References
- Researcher Disclosure technical-description exploit
- PerformanceTest Changelog release-notes patch
- BurnInTest Changelog release-notes patch
- OSForensics Changelog release-notes patch
- Technical Analysis and Decompiled Evidence technical-description
- https://www.vulncheck.com/advisories/passmark-performancetest-burnintest-and-osforensics-privilege-escalation-via-directio64-sys-ioctl third-party-advisory