CVE-2017-11523 Denial of service in n/a
Remote attackers can cause a denial of service via infinite loop in ImageMagick by submitting a crafted file that ignores end-of-file conditions.
- 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-2017-11523?
CVE-2017-11523 is a medium-severity denial of service vulnerability in Imagemagick Imagemagick, published on 22 Jul 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 ReadTXTImage function in coders/txt.c in ImageMagick through 6.9.9-0 and 7.x through 7.0.6-1 allows remote attackers to cause a denial of service (infinite loop) via a crafted file, because the end-of-file condition is not considered.
Weakness: CWE-835
Which versions are affected by CVE-2017-11523?
It affects 1 product.
Products include Imagemagick Imagemagick.
How do I fix CVE-2017-11523?
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-2017-11523 being exploited?
There is no known exploitation of CVE-2017-11523 in the wild and no public exploit code.
Other vulnerabilities in Imagemagick Imagemagick
Sources
Also known as DEBIAN-CVE-2017-11523, GHSA-wffr-63m7-q9q4, UBUNTU-CVE-2017-11523.