CVE-2019-14812 Security feature bypass in ghostscript
Attackers can bypass Ghostscript's -dSAFER restrictions via crafted PostScript files to execute arbitrary commands or access the file system.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2019-14812?
CVE-2019-14812 is a high-severity vulnerability in Artifex Ghostscript, published on 27 Nov 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A flaw was found in all ghostscript versions 9.x before 9.50, in the .setuserparams2 procedure where it did not properly secure its privileged calls, enabling scripts to bypass `-dSAFER` restrictions. A specially crafted PostScript file could disable security protection and then have access to the file system, or execute arbitrary commands.
Which versions are affected by CVE-2019-14812?
It affects 2 products.
Products include Artifex Ghostscript, Fedoraproject Fedora.
How do I fix CVE-2019-14812?
Upgrade to a fixed version.
Is CVE-2019-14812 being exploited?
There is no known exploitation of CVE-2019-14812 in the wild and no public exploit code.
Other vulnerabilities in Artifex Ghostscript
Sources
Also known as ALPINE-CVE-2019-14812, DEBIAN-CVE-2019-14812, GHSA-rmmv-j9x6-f2v4, UBUNTU-CVE-2019-14812.