USN-3994-1: gnome-desktop vulnerability

Publication date

27 May 2019

Overview

gnome-desktop could be made to escape the thumbnailer sandbox.


Packages

Details

It was discovered that gnome-desktop incorrectly confined thumbnailers. If
a user were tricked into downloading a malicious image file, a remote
attacker could possibly combine this issue with another vulnerability to
escape the sandbox and execute arbitrary code.

It was discovered that gnome-desktop incorrectly confined thumbnailers. If
a user were tricked into downloading a malicious image file, a remote
attacker could possibly combine this issue with another vulnerability to
escape the sandbox and execute arbitrary code.

Update instructions

After a standard system update you need to restart your session to 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:

Ubuntu Release Package Version
19.04 disco libgnome-desktop-3-17 –  3.32.1-1ubuntu1.1
18.10 cosmic libgnome-desktop-3-17 –  3.30.1-1ubuntu1.1
18.04 bionic libgnome-desktop-3-17 –  3.28.2-0ubuntu1.3

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