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USN-2475-1: GTK+ update

15 January 2015

GTK+ improperly handled the menu key, possibly allowing lock screen bypass.

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Releases

Packages

  • 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.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 14.04

After a standard system update you need to restart your session to make
all the necessary changes.

References

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Further reading