USN-4092-1: Ghostscript vulnerability

Publication date

12 August 2019

Overview

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


Packages

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.

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

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

Learn more about how to get the fixes.

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


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