CVE-2017-14103 Use after free in n/a
Remote attackers can execute arbitrary code or cause denial of service via crafted JNG files due to improper pointer management 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-2017-14103?
CVE-2017-14103 is a high-severity use after free vulnerability in Graphicsmagick Graphicsmagick, published on 1 Sep 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 ReadJNGImage and ReadOneJNGImage functions in coders/png.c in GraphicsMagick 1.3.26 do not properly manage image pointers after certain error conditions, which allows remote attackers to conduct use-after-free attacks via a crafted file, related to a ReadMNGImage out-of-order CloseBlob call. NOTE: this vulnerability exists because of an incomplete fix for CVE-2017-11403.
Weakness: CWE-416
Which versions are affected by CVE-2017-14103?
It affects 1 product.
Products include Graphicsmagick Graphicsmagick.
How do I fix CVE-2017-14103?
Apply the vendor's patch.
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-2017-14103 being exploited?
There is no known exploitation of CVE-2017-14103 in the wild and no public exploit code.
Other vulnerabilities in Graphicsmagick Graphicsmagick
Sources
Also known as DEBIAN-CVE-2017-14103, GHSA-f9pv-j3cq-p428.