CVE-2018-8839 Memory corruption in PMSoft
A stack-based buffer overflow in Delta PMSoft allows arbitrary code execution or application crashes when processing malicious .ppm files.
- 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-2018-8839?
CVE-2018-8839 is a high-severity memory corruption vulnerability in Delta Electronics PMSoft, published on 30 Apr 2018. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Delta PMSoft versions 2.10 and prior have multiple stack-based buffer overflow vulnerabilities where a .ppm file can introduce a value larger than is readable by PMSoft's fixed-length stack buffer. This can cause the buffer to be overwritten, which may allow arbitrary code execution or cause the application to crash. CVSS v3 base score: 7.1; CVSS vector string: AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H. Delta Electronics recommends affected users update to at least PMSoft v2.11, which was made available as of March 22, 2018, or the latest available version.
Which versions are affected by CVE-2018-8839?
It affects 1 product.
Products include Deltaww Pmsoft.
How do I fix CVE-2018-8839?
No fix has been published for CVE-2018-8839 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-2018-8839 being exploited?
There is no known exploitation of CVE-2018-8839 in the wild and no public exploit code.
Sources
Also known as GHSA-3p59-pfvq-j3p8.