[Bug 1825890] Re: Login password disclosure after 3rd logout

[Daniel van Vugt]

*** This bug is a duplicate of bug 1803993 ***
    https://bugs.launchpad.net/bugs/1803993

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 1803993, 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 1803993
   Password appears on the VT1 screen

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https://bugs.launchpad.net/bugs/1825890

Title:
  Login password disclosure after 3rd logout

Status in gdm3 package in Ubuntu:
  New
Status in plymouth package in Ubuntu:
  New

Bug description:
  In minimal clean installation of Ubuntu Desktop 18.04.2 LTS, login
  password is shown in plaintext in console output after 3rd logout from
  Gnome. Just start the machine, login and logout from Gnome session for
  more than tree times and login password (and incorrect login attempts)
  starts to be shown on console that is briefly visible after logout.
  See https://www.youtube.com/watch?v=lwzX_4qe8nA&t=89s for
  demonstration.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: gdm3 3.28.3-0ubuntu18.04.3
  ProcVersionSignature: Ubuntu 4.18.0-15.16~18.04.1-generic 4.18.20
  Uname: Linux 4.18.0-15-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.5
  Architecture: amd64
  CurrentDesktop: ubuntu:GNOME
  Date: Mon Apr 22 22:14:23 2019
  InstallationDate: Installed on 2019-04-22 (0 days ago)
  InstallationMedia: Ubuntu 18.04.2 LTS "Bionic Beaver" - Release amd64 (20190210)
  SourcePackage: gdm3
  UpgradeStatus: No upgrade log present (probably fresh install)

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