Hi Seth,

It is: 0.9.3-1ubunt

On Mon, Nov 19, 2018 at 10:30 PM Seth Arnold <1803...@bugs.launchpad.net>
wrote:

> Hello Thomas, can you please report back what version of plymouth you
> have installed?
>
> dpkg -l plymouth | grep ^ii
>
> Thanks
>
> ** Information type changed from Private Security to Public Security
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1803993
>
> Title:
>   GDM is Exploitable as a Password Collector
>
> Status in gdm3 package in Ubuntu:
>   New
>
> Bug description:
>   This was found when an administrative error made /home directory
>   inaccessible.  Any users that tried to login after that, were not able
>   to (which is expected) but their password appears on the VT1 screen.
>   Under normal circumstances, VT1 is not visible. But once the system
>   was sent into this compromised mode, one can press ctrl+alt+F1 and
>   then ctrl+alt+F2 and get a momentary glance at VT1. One can keep
>   toggling between these key combinations in order to make out the
>   password(s) on VT1.
>
>   As a further test, I wanted to see if a non-super user could cause
>   this condition, and it is in fact possible. As a regular user, I made
>   their own home directory not writable and then removed ~/.config and
>   logged out. Then logged in as that user again, and although that user
>   can't login the system does go into that mode where passwords appear
>   on VT1 and are viewable with the key combinations mentioned herein.
>   Further, any other users that login will see no problem, but when they
>   logon their passwords also appear on VT1 and are viewable.
>
>   ProblemType: Bug
>   DistroRelease: Ubuntu 18.04
>   Package: gdm3 3.28.3-0ubuntu18.04.3
>   Uname: Linux 4.19.2-041902-generic x86_64
>   ApportVersion: 2.20.9-0ubuntu7.5
>   Architecture: amd64
>   CurrentDesktop: ubuntu:GNOME
>   Date: Mon Nov 19 08:32:59 2018
>   InstallationDate: Installed on 2018-08-25 (85 days ago)
>   InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64
> (20180426)
>   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)
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1803993/+subscriptions
>

-- 
You received this bug notification because you are a member of Ubuntu
Desktop Bugs, which is subscribed to gdm3 in Ubuntu.
https://bugs.launchpad.net/bugs/1803993

Title:
  Password appears on the VT1 screen

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1803993/+subscriptions

-- 
desktop-bugs mailing list
desktop-bugs@lists.ubuntu.com
https://lists.ubuntu.com/mailman/listinfo/desktop-bugs

Reply via email to