*** This bug is a duplicate of bug 1767918 ***
https://bugs.launchpad.net/bugs/1767918
Thank you for taking the time to report this bug and helping to make
Ubuntu better. This particular bug has already been reported and is a
duplicate of bug 1767918, so it is being marked as such. Please look at
the other bug report to see if there is any missing information that you
can provide, or to see if there is a workaround for the bug.
Additionally, any further discussion regarding the bug should occur in
the other report. Feel free to continue to report any other bugs you may
find.
** This bug has been marked a duplicate of bug 1767918
Login password from GDM is shown in plain text on the VT1 console
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https://bugs.launchpad.net/bugs/1792924
Title:
Passwords entered in GDM can be displayed when switching TTYs
Status in gdm3 package in Ubuntu:
New
Bug description:
Ubuntu 18.04.1 LTS
gdm3:
Installed: 3.28.2-0ubuntu1.4
Candidate: 3.28.2-0ubuntu1.4
Version table:
*** 3.28.2-0ubuntu1.4 500
500 http://us.archive.ubuntu.com/ubuntu bionic-updates/main amd64
Packages
500 http://security.ubuntu.com/ubuntu bionic-security/main amd64
Packages
100 /var/lib/dpkg/status
3.28.0-0ubuntu1 500
500 http://us.archive.ubuntu.com/ubuntu bionic/main amd64 Packages
When switching between TTYs or sessions via the Alt+Function
keybindings, you can briefly display all entered passwords from the
GDM password box. When I was switching from a TTY to my active GNOME
Shell session, I accidentally pressed `Alt`+`F1`+`F2` at the same time
instead of just `Alt`+`F2`, and when I did this, a black screen with
text appeared for a second or so that displayed everything that had
been entered into the GDM password box, regardless of which user it
was. I believe this may be problematic on multi-user systems. I tried
to take a picture but the quality is subpar as I had to handle the
camera and press the keys at the same time to capture (
https://photos.app.goo.gl/8k5voYWcvK424xp59 ) The intentionally
blurred area is where the passwords/entered text was shown.
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: gdm3 3.28.2-0ubuntu1.4
Uname: Linux 4.18.7-041807-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.3
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Mon Sep 17 05:12:33 2018
InstallationDate: Installed on 2018-09-15 (2 days ago)
InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64
(20180725)
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: gdm3
UpgradeStatus: No upgrade log present (probably fresh install)
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