CVE-2020-27772 Integer overflow in ImageMagick
An attacker can cause a denial of service in ImageMagick by submitting a crafted BMP file that triggers an integer overflow.
- 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
- Available
What is CVE-2020-27772?
CVE-2020-27772 is a low-severity vulnerability in Debian Debian Linux, published on 4 Dec 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
A flaw was found in ImageMagick in coders/bmp.c. An attacker who submits a crafted file that is processed by ImageMagick could trigger undefined behavior in the form of values outside the range of type `unsigned int`. This would most likely lead to an impact to application availability, but could potentially cause other problems related to undefined behavior. This flaw affects ImageMagick versions prior to 7.0.9-0.
Weakness: CWE-190
Which versions are affected by CVE-2020-27772?
It affects 3 products.
Products include Debian Debian Linux, Imagemagick Imagemagick, Redhat Enterprise Linux.
How do I fix CVE-2020-27772?
Upgrade to a fixed version.
Is CVE-2020-27772 being exploited?
There is no known exploitation of CVE-2020-27772 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as CLSA-2024-1731343085, DEBIAN-CVE-2020-27772, GHSA-hhv9-78pr-gqr6, JLSEC-2026-870, UBUNTU-CVE-2020-27772.