CVE-2017-18220 Use after free in n/a
Remote attackers can cause denial of service via crafted JNG files in GraphicsMagick due to a use-after-free vulnerability.
- 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-2017-18220?
CVE-2017-18220 is a high-severity use after free vulnerability in Graphicsmagick Graphicsmagick, published on 5 Mar 2018. 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
The ReadOneJNGImage and ReadJNGImage functions in coders/png.c in GraphicsMagick 1.3.26 allow remote attackers to cause a denial of service (magick/blob.c CloseBlob use-after-free) or possibly have unspecified other impact via a crafted file, a related issue to CVE-2017-11403.
Weakness: CWE-416
Which versions are affected by CVE-2017-18220?
It affects 1 product.
Products include Graphicsmagick Graphicsmagick.
How do I fix CVE-2017-18220?
Upgrade to a fixed version.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2017-18220 being exploited?
There is no known exploitation of CVE-2017-18220 in the wild and no public exploit code.
Other vulnerabilities in Graphicsmagick Graphicsmagick
Sources
Also known as DEBIAN-CVE-2017-18220, GHSA-pm5j-x49r-ccq7, UBUNTU-CVE-2017-18220.