USN-2475-1: GTK+ update
Ubuntu Security Notice USN-2475-1
15th January, 2015
gtk+3.0 update
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 14.04 LTS
Summary
GTK+ improperly handled the menu key, possibly allowing lock screen bypass.
Software description
- gtk+3.0 - GTK+ graphical user interface library
Details
Clemens Fries discovered that GTK+ allowed bypassing certain screen locks
by using the menu key. An attacker with physical access could possibly use
this flaw to gain access to a locked session.
Update instructions
The problem can be corrected by updating your system to the following package version:
- Ubuntu 14.04 LTS:
- libgtk-3-0 3.10.8-0ubuntu1.4
To update your system, please follow these instructions: http://bit.ly/1aJDvTw.
After a standard system update you need to restart your session to make
all the necessary changes.
References
from Ubuntu Security Notices http://bit.ly/1KNxpp5