** Information type changed from Private Security to Public Security
** Changed in: lightdm (Ubuntu)
Status: New => Triaged
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https://bugs.launchpad.net/bugs/1182625
Title:
Screen lock may be bypassed using external display
Status in “lightdm” package in Ubuntu:
Triaged
Bug description:
The screen lock in LightDM may be bypassed on a laptop using an
external display, keyboard and mouse.
Steps to reproduce:
* Suspend the laptop
* Connect an external display, keyboard and mouse
* Wake up the computer by opening and closing the lid (I had to do this a
couple of times) and moving the mouse about after the lid is closed
* You are now logged to the Ubuntu desktop, without entering the password
Expected behaviour:
* A password prompt should appear on the external display after the lid is
closed
Please tell me if there is more info I should provide.
ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: lightdm 1.6.0-0ubuntu2.1
Uname: Linux 3.9.0-030900-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.9.2-0ubuntu8
Architecture: amd64
Date: Tue May 21 19:39:13 2013
EcryptfsInUse: Yes
InstallationDate: Installed on 2012-10-11 (221 days ago)
InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64
(20120823.1)
LightdmConfig:
[SeatDefaults]
user-session=ubuntu
greeter-session=unity-greeter
MarkForUpload: True
SourcePackage: lightdm
UpgradeStatus: Upgraded to raring on 2013-04-08 (43 days ago)
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