CVE-2017-18272 Use after free in n/a
Attackers can cause a denial of service in ImageMagick by providing a crafted MNG image file that triggers a use-after-free error.
- 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-2017-18272?
CVE-2017-18272 is a medium-severity use after free 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 7.0.7-16 Q16 x86_64 2017-12-25, there is a use-after-free in ReadOneMNGImage in coders/png.c, which allows attackers to cause a denial of service via a crafted MNG image file that is mishandled in an MngInfoDiscardObject call.
Weakness: CWE-416
Which versions are affected by CVE-2017-18272?
It affects 1 product.
Products include Imagemagick Imagemagick.
How do I fix CVE-2017-18272?
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-2017-18272 being exploited?
There is no known exploitation of CVE-2017-18272 in the wild and no public exploit code.
Other vulnerabilities in Imagemagick Imagemagick
Sources
Also known as DEBIAN-CVE-2017-18272, GHSA-mcm9-58rh-8jmj.