CVE-2017-16545 Null dereference in n/a
Remote attackers can cause a denial of service via a malformed WPG image due to improper validation in GraphicsMagick.
- 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-2017-16545?
CVE-2017-16545 is a high-severity vulnerability in Graphicsmagick Graphicsmagick, published on 5 Nov 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
The ReadWPGImage function in coders/wpg.c in GraphicsMagick 1.3.26 does not properly validate colormapped images, which allows remote attackers to cause a denial of service (ImportIndexQuantumType invalid write and application crash) or possibly have unspecified other impact via a malformed WPG image.
Weakness: CWE-476
Which versions are affected by CVE-2017-16545?
It affects 1 product.
Products include Graphicsmagick Graphicsmagick.
How do I fix CVE-2017-16545?
Upgrade to a fixed version.
Is CVE-2017-16545 being exploited?
There is no known exploitation of CVE-2017-16545 in the wild and no public exploit code.
Other vulnerabilities in Graphicsmagick Graphicsmagick
Sources
Also known as DEBIAN-CVE-2017-16545, GHSA-gwg7-g9w7-wr87, UBUNTU-CVE-2017-16545.