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Message #14711
[Bug 1313885] Re: lock screen bypass
@azul and @Marc I reported a new bug for the problem discovered by azul.
https://bugs.launchpad.net/ubuntu/+source/unity/+bug/1314294
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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
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References