CVE-2020-15479 Memory corruption in n/a
A buffer overflow in PassMark kernel drivers allows local attackers to execute arbitrary code in Ring-0 and escalate privileges.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-15479?
CVE-2020-15479 is a high-severity memory corruption vulnerability in n/a, published on 7 Aug 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Weakness: CWE-120
Which versions are affected by CVE-2020-15479?
It affects 3 products.
Products include Passmark Burnintest, Passmark Osforensics, Passmark Performancetest.
How do I fix CVE-2020-15479?
No fix has been published for CVE-2020-15479 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2020-15479 being exploited?
There is no known exploitation of CVE-2020-15479 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-chrj-qx57-jxqj.