CVE-2018-17961 Security feature bypass in n/a
Attackers can bypass Ghostscript sandbox protections via errorhandler setup, potentially enabling further exploitation.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2018-17961?
CVE-2018-17961 is a high-severity vulnerability in Artifex Ghostscript, published on 15 Oct 2018. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Artifex Ghostscript 9.25 and earlier allows attackers to bypass a sandbox protection mechanism via vectors involving errorhandler setup. NOTE: this issue exists because of an incomplete fix for CVE-2018-17183.
Weakness: CWE-209
Which versions are affected by CVE-2018-17961?
It affects 9 products.
Products include Artifex Ghostscript, Canonical Ubuntu Linux, Debian Debian Linux, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server, Redhat Enterprise Linux Server Aus and 3 more.
How do I fix CVE-2018-17961?
Upgrade to a fixed version.
Is CVE-2018-17961 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2018-17961 exists.
Public exploit code: 1 Exploit-DB entry and 1 proofs of concept on GitHub.
Other vulnerabilities in Artifex Ghostscript
Sources
Also known as ALPINE-CVE-2018-17961, DEBIAN-CVE-2018-17961, GHSA-6j45-cc69-5jv8, UBUNTU-CVE-2018-17961.