CVE-2013-3939 Memory corruption in XnView
Remote attackers can execute arbitrary code via a crafted RGB file due to a heap-based buffer overflow in XnView.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2013-3939?
CVE-2013-3939 is a high-severity memory corruption vulnerability in Xnview Xnview, published on 2 Jan 2020. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
xnview.exe in XnView before 2.13 does not properly handle RLE strip lengths during processing of RGB files, which allows remote attackers to execute arbitrary code via the RLE strip size field in a RGB file, which leads to an unexpected sign extension error and a heap-based buffer overflow.
Weakness: CWE-787
Which versions are affected by CVE-2013-3939?
It affects 1 product.
Products include Xnview Xnview.
How do I fix CVE-2013-3939?
No fix has been published for CVE-2013-3939 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-2013-3939 being exploited?
There is no known exploitation of CVE-2013-3939 in the wild and no public exploit code.
Other vulnerabilities in Xnview Xnview
Sources
Also known as GHSA-wfq4-7r76-pfcq.