USN-4092-1: Ghostscript vulnerability

12 August 2019

Ghostscript could be made to access files if it opened a specially crafted file.

Releases

Packages

  • ghostscript - PostScript and PDF interpreter

Details

Netanel Fisher discovered that the font handler in Ghostscript did not
properly restrict privileged calls when '-dSAFER' restrictions were in
effect. If a user or automated system were tricked into processing a
specially crafted file, a remote attacker could possibly use this issue to
access arbitrary files.

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 19.04
Ubuntu 18.04
Ubuntu 16.04

In general, a standard system update will make all the necessary changes.

References