touch-packages team mailing list archive

[Seth Arnold <1321043@xxxxxxxxxxxxxxxxxx>]

Marco, Andrea, I don't have a gesture-capable touchpad and can't test
this SRU myself.

Thanks

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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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