When using lightdm with gnome, the exploit works in exactly the same
ways as the original bug, just by switching tty's the lock can be
circumvented.
** Also affects: lightdm (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1205384
Title:
Lock can be circumvented by switching to console
Status in LXDE:
New
Status in lightdm package in Ubuntu:
New
Status in lxsession package in Ubuntu:
Fix Released
Bug description:
Steps to reproduce:
1)lock your screen using "dm-tool switch-to-greeter" or "dm-tool lock"
2)switch to console via ctrl+alt+F1
3)switch back to X via ctrl+alt+F7
Result: session is unlocked without entering a password
Expected behaviour:
session should still be locked when switching back to X
ProblemType: Bug
DistroRelease: Ubuntu 13.10
Package: lightdm 1.7.7-0ubuntu2
ProcVersionSignature: Ubuntu 3.10.0-5.15-generic 3.10.2
Uname: Linux 3.10.0-5-generic i686
ApportVersion: 2.11-0ubuntu1
Architecture: i386
Date: Fri Jul 26 17:30:23 2013
InstallationDate: Installed on 2013-07-26 (0 days ago)
InstallationMedia: Lubuntu 13.10 "Saucy Salamander" - Alpha i386 (20130723.1)
MarkForUpload: True
SourcePackage: lightdm
UpgradeStatus: No upgrade log present (probably fresh install)
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