USN-3994-1: gnome-desktop vulnerability
gnome-desktop3 vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 19.04
- Ubuntu 18.10
- Ubuntu 18.04 LTS
Summary
gnome-desktop could be made to escape the thumbnailer sandbox.
Software Description
- gnome-desktop3 – Introspection data for GnomeDesktop
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.
Update instructions
The problem can be corrected by updating your system to the following package versions:
- Ubuntu 19.04
- libgnome-desktop-3-17 – 3.32.1-1ubuntu1.1
- Ubuntu 18.10
- libgnome-desktop-3-17 – 3.30.1-1ubuntu1.1
- Ubuntu 18.04 LTS
- libgnome-desktop-3-17 – 3.28.2-0ubuntu1.3
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
After a standard system update you need to restart your session to make all
the necessary changes.
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