CVE-2020-16303 Use after free in n/a
A remote attacker can execute arbitrary code and escalate privileges by tricking a user into opening a crafted PDF file processed by GhostScript.
- 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-2020-16303?
CVE-2020-16303 is a high-severity use after free vulnerability in Artifex Ghostscript, published on 13 Aug 2020. 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
A use-after-free vulnerability in xps_finish_image_path() in devices/vector/gdevxps.c of Artifex Software GhostScript v9.50 allows a remote attacker to escalate privileges via a crafted PDF file. This is fixed in v9.51.
Weakness: CWE-416
Which versions are affected by CVE-2020-16303?
It affects 3 products.
Products include Artifex Ghostscript, Canonical Ubuntu Linux, Debian Debian Linux.
How do I fix CVE-2020-16303?
Upgrade to a fixed version.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2020-16303 being exploited?
There is no known exploitation of CVE-2020-16303 in the wild and no public exploit code.
Other vulnerabilities in Artifex Ghostscript
Sources
Also known as ALPINE-CVE-2020-16303, DEBIAN-CVE-2020-16303, GHSA-3jwg-r279-2xj2, UBUNTU-CVE-2020-16303.