CVE-2018-18023 Memory corruption in n/a
Attackers can cause a denial of service via a crafted SVG image file due to a heap-based buffer over-read in ImageMagick.
- 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-2018-18023?
CVE-2018-18023 is a medium-severity memory corruption vulnerability in Imagemagick Imagemagick, published on 7 Oct 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 7.0.8-13 Q16, there is a heap-based buffer over-read in the SVGStripString function of coders/svg.c, which allows attackers to cause a denial of service via a crafted SVG image file.
Weakness: CWE-125
Which versions are affected by CVE-2018-18023?
It affects 1 product.
Products include Imagemagick Imagemagick.
How do I fix CVE-2018-18023?
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-2018-18023 being exploited?
There is no known exploitation of CVE-2018-18023 in the wild and no public exploit code.
Other vulnerabilities in Imagemagick Imagemagick
Sources
Also known as DEBIAN-CVE-2018-18023, GHSA-4m78-fr6r-52pp.