CVE-2018-11251 Denial of service in n/a
Attackers can cause a denial of service via a crafted SUN image file in ImageMagick, leading to an application crash.
- 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-2018-11251?
CVE-2018-11251 is a medium-severity denial of service vulnerability in Imagemagick Imagemagick, published on 18 May 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
In ImageMagick 7.0.7-23 Q16 x86_64 2018-01-24, there is a heap-based buffer over-read in ReadSUNImage in coders/sun.c, which allows attackers to cause a denial of service (application crash in SetGrayscaleImage in MagickCore/quantize.c) via a crafted SUN image file.
Weakness: CWE-125
Which versions are affected by CVE-2018-11251?
It affects 1 product.
Products include Imagemagick Imagemagick.
How do I fix CVE-2018-11251?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2018-11251 being exploited?
There is no known exploitation of CVE-2018-11251 in the wild and no public exploit code.
Other vulnerabilities in Imagemagick Imagemagick
Sources
Also known as DEBIAN-CVE-2018-11251, GHSA-xhvx-fprp-87jr, UBUNTU-CVE-2018-11251.