*** This bug is a security vulnerability ***
Public security bug reported:
Sometimes (often) LDAP users fails to log using lightdm.
When this happens, lightdm shows "Invalid password, please try again".
But this is not a password error, here is an extract of
/var/log/lightdm/lighdm.log:
[+17.00s] DEBUG: Session 1458 authentication complete with return value 0:
Success
[+17.00s] DEBUG: Authenticate result for user 'X': Success
[+17.00s] DEBUG: User 'X' authorized, but no account of that name exists
Re-trying the login gives the same error.
I've got a workaround : restarting lighdm. This works 100% of the time.
Another workaround is to delay the lightdm startup, by modifying the
/etc/init/lightdm.conf script
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: lightdm 1.2.3-0ubuntu2.3
ProcVersionSignature: Ubuntu 3.5.0-39.60~precise1-generic 3.5.7.17
Uname: Linux 3.5.0-39-generic x86_64
ApportVersion: 2.0.1-0ubuntu17.4
Architecture: amd64
Date: Wed Oct 9 11:24:12 2013
InstallationMedia: Ubuntu 12.04.2 LTS "Precise Pangolin" - Release amd64
(20130213)
MarkForUpload: True
SourcePackage: lightdm
UpgradeStatus: No upgrade log present (probably fresh install)
mtime.conffile..etc.init.lightdm.conf: 2013-10-09T11:18:45
** Affects: lightdm (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug precise running-unity
** Patch added: "/etc/init/lightdm.conf workaround"
https://bugs.launchpad.net/bugs/1237306/+attachment/3868679/+files/lightdm.conf.diff
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https://bugs.launchpad.net/bugs/1237306
Title:
lightdm + LDAP login intermitent fail
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