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The dock sometimes appears on the lock screen, and it is possible to
start a program from the lock screen without logging in when this
happens, although it is not possible to interact with it once it has
started.
I haven't reported it as a security vulnerability because it would take
an exception set of circumstances for that to be the case, but there is
the potential for a security issue when you can start a program without
logging in.
In the attached photo the icons are ghosted as well. I haven't actually
seen this behaviour since the photo was taken, so I assume a subsequent
update has fixed whatever was causing that.
Clearly I have used a photo because you can't take a screen grab,
although I am curious as to whether it would be possible to have a
screen grab app on the dock and use that to capture directly from the
screen!
ProblemType: Bug
DistroRelease: Ubuntu 17.10
Package: gnome-shell-extension-dashtodock (not installed)
ProcVersionSignature: Ubuntu 4.13.0-16.19-generic 4.13.4
Uname: Linux 4.13.0-16-generic x86_64
NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
ApportVersion: 2.20.7-0ubuntu3
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Wed Oct 18 18:12:23 2017
InstallationDate: Installed on 2016-08-01 (442 days ago)
InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
SourcePackage: gnome-shell-extension-dashtodock
UpgradeStatus: Upgraded to artful on 2017-09-29 (19 days ago)
** Affects: gnome-shell-extension-ubuntu-dock (Ubuntu)
Importance: Undecided
Assignee: Andrea Azzarone (azzar1)
Status: In Progress
** Tags: amd64 apport-bug artful bionic
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gnome-shell-extension-dashtodock: Dock accessible from lock screen
https://bugs.launchpad.net/bugs/1724630
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Bugs, which is subscribed to gnome-shell-extension-ubuntu-dock in Ubuntu.
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