CVE-2019-3835 Security feature bypass in ghostscript

High 7.3 Published 25 Mar 2019 Updated 4 Aug 2024

Attackers can bypass Ghostscript's -dSAFER sandbox restrictions via a crafted PostScript file to 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-2019-3835?

CVE-2019-3835 is a high-severity vulnerability in Artifex Ghostscript, published on 25 Mar 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

It was found that the superexec operator was available in the internal dictionary in ghostscript before 9.27. A specially crafted PostScript file could use this flaw in order to, for example, have access to the file system outside of the constrains imposed by -dSAFER.

Weakness: CWE-862, CWE-648

Which versions are affected by CVE-2019-3835?

It affects 11 products.

Products include Artifex Ghostscript, Debian Debian Linux, Fedoraproject Fedora, Opensuse Leap, Redhat Ansible Tower, Redhat Enterprise Linux Desktop and 5 more.

How do I fix CVE-2019-3835?

Upgrade to a fixed version.

Is CVE-2019-3835 being exploited?

There is no known exploitation of CVE-2019-3835 in the wild and no public exploit code.

All Artifex Ghostscript vulnerabilities

Sources

Also known as ALPINE-CVE-2019-3835, DEBIAN-CVE-2019-3835, GHSA-22vx-j9g4-5q8f, UBUNTU-CVE-2019-3835.