** Changed in: unity/7.2
Status: Fix Committed => Fix Released
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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:
Fix Released
Status in “unity” package in Ubuntu:
Fix Released
Status in “unity” source package in Trusty:
Fix Released
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
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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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