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Message #17774
[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