High severity8.8NVD Advisory· Published Aug 7, 2020· Updated Jun 17, 2026
CVE-2020-15479
CVE-2020-15479
Description
An issue was discovered in PassMark BurnInTest through 9.1, OSForensics through 7.1, and PerformanceTest through 10. The driver's IOCTL request handler attempts to copy the input buffer onto the stack without checking its size and can cause a buffer overflow. This could lead to arbitrary Ring-0 code execution and escalation of privileges. This affects DirectIo32.sys and DirectIo64.sys.
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Affected products
4- PassMark/BurnInTestdescription
- Range: <=9.1
- Range: <=7.1
- Range: <=10
Patches
Vulnerability mechanics
References
3- github.com/eset/vulnerability-disclosures/blob/master/CVE-2020-15479/CVE-2020-15479.mdnvdExploitThird Party Advisory
- www.passmark.com/forum/index.phpnvdVendor Advisory
- www.passmark.com/support/index.phpnvdVendor Advisory
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