@azul and @Marc I reported a new bug for the problem discovered by azul. https://bugs.launchpad.net/ubuntu/+source/unity/+bug/1314294
-- You received this bug notification because you are a member of DX Packages, which is subscribed to unity in Ubuntu. Matching subscriptions: dx-packages https://bugs.launchpad.net/bugs/1313885 Title: lock screen bypass Status in Unity: In Progress Status in “unity” package in Ubuntu: In Progress Status in “unity” source package in Trusty: Fix Released Status in “unity” source package in Utopic: In Progress Bug description: I found a bug allowing a user to bypass the new lock screen of Ubuntu 14.04 1 - When the screen is locked just right click multiple times on the indicator bar (for example on the battery indicator), then shortcuts are available. 2 - Press ALT+F2 3 - you can execute the command you whant on behalf of the logged user. Here is a video demonstrating this bug : http://www.youtube.com/watch?v=d4UUB0sI5Fc lsb_release -rd Description: Ubuntu 14.04 LTS Release: 14.04 Ubuntu version updated the 04/28/2014 apt-cache policy unity unity: Installed: 7.2.0+14.04.20140416-0ubuntu1 Candidate: 7.2.0+14.04.20140416-0ubuntu1 Version table: *** 7.2.0+14.04.20140416-0ubuntu1 0 500 http://fr.archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages 100 /var/lib/dpkg/status To manage notifications about this bug go to: https://bugs.launchpad.net/unity/+bug/1313885/+subscriptions -- Mailing list: https://launchpad.net/~dx-packages Post to : dx-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~dx-packages More help : https://help.launchpad.net/ListHelp