CVE-2018-16539 Information disclosure in n/a
Attackers can disclose system file contents via crafted PostScript files due to incorrect access checks in temp file handling.
- 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-2018-16539?
CVE-2018-16539 is a medium-severity vulnerability in Artifex Ghostscript, published on 5 Sep 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
In Artifex Ghostscript before 9.24, attackers able to supply crafted PostScript files could use incorrect access checking in temp file handling to disclose contents of files on the system otherwise not readable.
Weakness: CWE-200
Which versions are affected by CVE-2018-16539?
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-2018-16539?
Upgrade to a fixed version.
Is CVE-2018-16539 being exploited?
There is no known exploitation of CVE-2018-16539 in the wild and no public exploit code.
Other vulnerabilities in Artifex Ghostscript
Sources
Also known as DEBIAN-CVE-2018-16539, GHSA-prv5-j87r-4g4g, UBUNTU-CVE-2018-16539.