Buffer overflow in Passmark Burnintest
CVE-2020-15479
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.007 (50.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 50.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
Weakness classification (CWE)
References
- github.com/eset/vulnerability-disclosures (Third Party Advisory)
- www.passmark.com/forum/index.php (Vendor Advisory)
- www.passmark.com/support/index.php (Vendor Advisory)
- github.com/eset/vulnerability-disclosures/blob/master/CVE-2020-15479/CVE-2020-1… (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-15479?
- CVE-2020-15479 is a high-severity vulnerability in Passmark Burnintest, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.8/10. Published 2020-08-07.
- How severe is CVE-2020-15479?
- High severity. CVSS v3 base score is 8.8 out of 10.