CVE-2019-14817 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-2019-14817?
CVE-2019-14817 is a high-severity vulnerability in Artifex Ghostscript, published on 3 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 prior to 9.50, in the .pdfexectoken and other procedures 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-2019-14817?
It affects 5 products.
Products include Artifex Ghostscript, Debian Debian Linux, Fedoraproject Fedora, Opensuse Leap, Redhat Openshift Container Platform.
How do I fix CVE-2019-14817?
Upgrade to a fixed version.
Is CVE-2019-14817 being exploited?
There is no known exploitation of CVE-2019-14817 in the wild and no public exploit code.
Other vulnerabilities in Artifex Ghostscript
Sources
Also known as ALPINE-CVE-2019-14817, DEBIAN-CVE-2019-14817, GHSA-f4cx-p6hx-chwv, UBUNTU-CVE-2019-14817.