CVE-2020-25693 Integer overflow in CImg
A specially crafted image file can trigger integer overflows and heap buffer overflows in CImg, causing application crashes or data corruption.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2020-25693?
CVE-2020-25693 is a high-severity vulnerability in Fedoraproject Fedora, published on 3 Dec 2020. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
A flaw was found in CImg in versions prior to 2.9.3. Integer overflows leading to heap buffer overflows in load_pnm() can be triggered by a specially crafted input file processed by CImg, which can lead to an impact to application availability or data integrity.
Which versions are affected by CVE-2020-25693?
It affects 2 products.
Products include Cimg Cimg, Fedoraproject Fedora.
How do I fix CVE-2020-25693?
Upgrade to a fixed version.
Is CVE-2020-25693 being exploited?
There is no known exploitation of CVE-2020-25693 in the wild and no public exploit code.
Other vulnerabilities in Fedoraproject Fedora
Sources
Also known as DEBIAN-CVE-2020-25693, DLA-2462-1, GHSA-vp99-jwhh-r3xw, MGASA-2020-0443, UBUNTU-CVE-2020-25693.