*** This bug is a security vulnerability ***
You have been subscribed to a public security bug by Eduardo dos Santos
Barretto (ebarretto):
When booting, if I press Caps Lock on my keyboard until the caps
confirmation light turns on (this happens just after the bit in boot
where it shows a load of green and white loading text), it then doesn't
prompt me for a password to log in - it just logs right in with no
password. I expect to have to use a password to login every time and for
this to stop anyone from getting to my files, but by pressing caps lock,
it boots like I have set the computer not to require login details.
Using Ubuntu 16.04 LTS
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: gksu (not installed)
ProcVersionSignature: Ubuntu 4.15.0-33.36~16.04.1-generic 4.15.18
Uname: Linux 4.15.0-33-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.18
Architecture: amd64
CurrentDesktop: Unity
Date: Wed Aug 29 18:06:55 2018
InstallationDate: Installed on 2017-07-15 (409 days ago)
InstallationMedia: Ubuntu 16.04.2 LTS "Xenial Xerus" - Release amd64
(20170215.2)
ProcEnviron:
LANGUAGE=en_GB:en
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_GB.UTF-8
SHELL=/bin/bash
SourcePackage: gksu
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: gksu (Ubuntu)
Importance: Undecided
Status: Invalid
** Tags: amd64 apport-bug xenial
--
Security issue - I can bypass the password login with Caps Lock.
https://bugs.launchpad.net/bugs/1789700
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