CVE-2017-17879 Memory corruption in n/a
An off-by-one error in ImageMagick's MNG image parser causes a heap-based buffer over-read, potentially leading to crashes or information disclosure.
- 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-2017-17879?
CVE-2017-17879 is a high-severity memory corruption vulnerability in Canonical Ubuntu Linux, published on 24 Dec 2017. 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 2017-12-21, there is a heap-based buffer over-read in ReadOneMNGImage in coders/png.c, related to length calculation and caused by an off-by-one error.
Weakness: CWE-125
Which versions are affected by CVE-2017-17879?
It affects 3 products.
Products include Canonical Ubuntu Linux, Debian Debian Linux, Imagemagick Imagemagick.
How do I fix CVE-2017-17879?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2017-17879 being exploited?
There is no known exploitation of CVE-2017-17879 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2017-17879, GHSA-r86g-g8qv-wvcr, UBUNTU-CVE-2017-17879.