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.

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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.

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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