CVE-2019-14813 Security feature bypass in ghostscript
Attackers can bypass -dSAFER restrictions in Ghostscript 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-2019-14813?
CVE-2019-14813 is a high-severity vulnerability in Artifex Ghostscript, published on 6 Sep 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 ghostscript, versions 9.x before 9.50, in the setsystemparams 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-2019-14813?
It affects 12 products.
Products include Artifex Ghostscript, Debian Debian Linux, Fedoraproject Fedora, Opensuse Leap, Redhat Enterprise Linux, Redhat Enterprise Linux Desktop and 6 more.
How do I fix CVE-2019-14813?
Upgrade to a fixed version.
Is CVE-2019-14813 being exploited?
There is no known exploitation of CVE-2019-14813 in the wild and no public exploit code.
Other vulnerabilities in Artifex Ghostscript
Sources
Also known as ALPINE-CVE-2019-14813, DEBIAN-CVE-2019-14813, GHSA-r3w6-mj6m-w4m6, UBUNTU-CVE-2019-14813.