*** This bug is a security vulnerability ***
Public security bug reported:
When I lock the screen I found that switching to console and then using
ctrl+alt+F7 to switch back to GUI bypasses the lock screen without typing any
password. even when I click on switch user after locking the screen if
replicate the same process it takes me to the locked user account without
prompting for password.
ubuntu 15.10.
unity desktop.
ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: lightdm 1.16.7-0ubuntu1
ProcVersionSignature: Ubuntu 4.2.0-27.32-generic 4.2.8-ckt1
Uname: Linux 4.2.0-27-generic x86_64
ApportVersion: 2.19.1-0ubuntu5
Architecture: amd64
CurrentDesktop: Unity
Date: Thu Mar 3 07:19:08 2016
InstallationDate: Installed on 2015-11-09 (114 days ago)
InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
SourcePackage: lightdm
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: lightdm (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug wily
** Information type changed from Private Security to Public Security
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https://bugs.launchpad.net/bugs/1552537
Title:
Lock screen bypassed by switching to console and then back to GUI
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