** Changed in: gnome-screensaver (Ubuntu)
Status: New => Triaged
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https://bugs.launchpad.net/bugs/1101790
Title:
When switching users, desktop is visible before password is entered
Status in “gnome-screensaver” package in Ubuntu:
Triaged
Bug description:
Ubuntu 12.10 with Unity desktop.
gnome-screensaver 3.6.0-0ubuntu2.
Problem:
Sometimes, when switching users, it is possible to see the contents of
another user's desktop, as well as any windows they may have open, WITHOUT
entering their password first.
Steps to reproduce:
This requires a computer which has at least two users – let's call them A and
B.
1. Log in as user A.
2. Start a few applications, just to have some windows open on the desktop.
3. From the session menu, switch to user B and log in.
4. Start at least one application that will put the computer under high load
for a while.
5. From the session menu, switch to user A again.
What is expected to happen:
A password prompt window is shown, on a clean background.
What actually happens:
A's desktop, and the windows that are open there, is visible for a brief
moment before the password prompt appears. The higher the load on the computer,
the longer the desktop is visible.
This means that if several users are logged into a computer, one of
them can see what the others are doing without entering their
password. This is a breach of security.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/gnome-screensaver/+bug/1101790/+subscriptions
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