PT-2020-14447 · Passmark · Passmark Burnintest+4

Michal Poslušný · Published 2020-08-07 · Updated 2022-05-03 · CVE-2020-15480

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions PassMark BurnInTest versions through 9.1 OSForensics versions through 7.1 PerformanceTest versions through 10

Description An issue was discovered that allows low-privilege users to read and write to arbitrary Model Specific Registers (MSRs) through the kernel driver's IOCTL functionality. This could lead to arbitrary Ring-0 code execution and escalation of privileges, affecting the DirectIo32.sys and DirectIo64.sys drivers.

Recommendations For PassMark BurnInTest versions through 9.1, update to a version that fixes the issue with the DirectIo32.sys and DirectIo64.sys drivers. For OSForensics versions through 7.1, update to a version that fixes the issue with the DirectIo32.sys and DirectIo64.sys drivers. For PerformanceTest versions through 10, update to a version that fixes the issue with the DirectIo32.sys and DirectIo64.sys drivers.

Exploit

Fix

Related Identifiers

CVE-2020-15480

Affected Products

Directio32.Sys

Directio64.Sys

Osforensics

Passmark Burnintest

Performancetest

References · 6

• 🔥 https://github.com/eset/vulnerability-disclosures/blob/master/CVE-2020-15480/CVE-2020-15480.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2020-15480 · Security Note
• https://passmark.com/support/index.php · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-15480 · Vendor Advisory
• https://passmark.com/forum/index.php · Vendor Advisory
• https://github.com/eset/vulnerability-disclosures · Note