Password typed to unlock the screen is sent to the Chrome window that was in focus

Bug #1349953 reported by Anthony on 2014-07-29
This bug affects 3 people
Affects Status Importance Assigned to Milestone
unity (Ubuntu)

Bug Description

After coming out of sleep mode, my keyboard cannot type to the password entry field. When I try to type to the password entry field, the computer sends my input to whatever window I had open before my computer went to sleep. This means that if I type my password and press enter, and the last window I had open was, say, a gchat, I will send my password to the person with whom I was talking.

It seems like this bug only occurs when I had a text entry field selected before putting my computer to sleep.

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: gnome-screensaver 3.6.1-0ubuntu13
ProcVersionSignature: Ubuntu 3.13.0-32.57-generic
Uname: Linux 3.13.0-32-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.2
Architecture: amd64
CurrentDesktop: Unity
Date: Tue Jul 29 09:40:10 2014
GnomeSessionIdleInhibited: No
GnomeSessionInhibitors: None
 org.gnome.desktop.session session-name 'ubuntu'
 org.gnome.desktop.session idle-delay uint32 1800
InstallationDate: Installed on 2012-12-24 (582 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
SourcePackage: gnome-screensaver
Symptom: security
Title: Screen locking issue
UpgradeStatus: Upgraded to trusty on 2014-07-23 (5 days ago)

Anthony (phoniel) wrote :
information type: Private Security → Public
affects: gnome-screensaver (Ubuntu) → unity (Ubuntu)
Launchpad Janitor (janitor) wrote :

Status changed to 'Confirmed' because the bug affects multiple users.

Changed in unity (Ubuntu):
status: New → Confirmed
Margarita Manterola (marga-9) wrote :

I'm affected as well, and I have more data on this issue: it only happens with Chrome. I tried several other applications and was not able to reproduce.

Also, it only happens on Unity, other desktop environments are not affected.

I tried 2 different versions of compiz (the latest one and the one before that) and I could reproduce with both, although the behaviour is not exactly the same.

There's no need to suspend. Just locking the screen with Ctrl-Alt-L while having some text selected on the Chrome window usually triggers this bug (it's not always triggered, but something like 1 out of 3 times).

summary: - Screen locking issue
+ Password typed to unlock the screen is sent to the Chrome window that
+ was in focus
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