CVE-2017-18211 Null dereference in n/a
A NULL pointer dereference in ImageMagick's OpenCL kernel caching allows attackers to cause a denial of service via crafted input.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-18211?
CVE-2017-18211 is a critical vulnerability in Canonical Ubuntu Linux, published on 1 Mar 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In ImageMagick 7.0.7, a NULL pointer dereference vulnerability was found in the function saveBinaryCLProgram in magick/opencl.c because a program-lookup result is not checked, related to CacheOpenCLKernel.
Weakness: CWE-476
Which versions are affected by CVE-2017-18211?
It affects 2 products.
Products include Canonical Ubuntu Linux, Imagemagick Imagemagick.
How do I fix CVE-2017-18211?
Upgrade to a fixed version.
Is CVE-2017-18211 being exploited?
There is no known exploitation of CVE-2017-18211 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2017-18211, GHSA-j3r9-8p32-fxx6, UBUNTU-CVE-2017-18211.