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[Bug 1321043] Re: [regression] lock screen bypass with touchpad

 

Hello Seth, or anyone else affected,

Accepted unity into trusty-proposed. The package will build now and be
available at
http://launchpad.net/ubuntu/+source/unity/7.2.2+14.04.20140714-0ubuntu1
in a few hours, and then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to
enable and use -proposed.  Your feedback will aid us getting this update
out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, and change the tag
from verification-needed to verification-done. If it does not fix the
bug for you, please add a comment stating that, and change the tag to
verification-failed.  In either case, details of your testing will help
us make a better decision.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance!

** Changed in: unity (Ubuntu Trusty)
       Status: New => Fix Committed

** Tags added: verification-needed

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https://bugs.launchpad.net/bugs/1321043

Title:
  [regression] lock screen bypass with touchpad

Status in Unity:
  Fix Released
Status in Unity 7.2 series:
  In Progress
Status in “unity” package in Ubuntu:
  Fix Released
Status in “unity” source package in Trusty:
  Fix Committed

Bug description:
  [Inpact]
  Using  3/4-fingers gestures in touchpads when unity is locked might make the switcher or the dash to show up

  [Test case]
  1) Lock the unity screen with Super+L
  2) Use the [1] three fingers gesture to show the switcher or the four fingers tap to
     show the dash
  3) Nothing should be shown.

  [Regression Potential]
  There's basically no regression potential. Geistures are just disabled when the screen is locked.

  [1] https://wiki.ubuntu.com/Multitouch#Supported_Gestures

  -----

  László Gyaraki has reported a lock screen bypass using the touchpad;
  his video appears to use three-finger or four-finger use of his
  touchpad in conjunction with some gestures to bring up windows from
  the locked session.

  His demonstration video can be found here:
  http://ubuntuone.com/28JQHOlYozn5SKe4jcmb3p (61 megabytes,
  video/3gpp).

  Thanks

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References