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Message #128520
[Bug 1525981] Re: Device can be tricked into exposing mtp service without being unlocked first
** Also affects: canonical-devices-system-image
Importance: Undecided
Status: New
** Changed in: canonical-devices-system-image
Status: New => Fix Committed
** Changed in: canonical-devices-system-image
Importance: Undecided => High
** Changed in: canonical-devices-system-image
Assignee: (unassigned) => kevin gunn (kgunn72)
** Changed in: canonical-devices-system-image
Milestone: None => ww02-2016
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https://bugs.launchpad.net/bugs/1525981
Title:
Device can be tricked into exposing mtp service without being unlocked
first
Status in Canonical System Image:
Fix Committed
Status in unity8 package in Ubuntu:
In Progress
Bug description:
Steps to reproduce:
- Boot your phone up (notice mtp is not accessible)
- Start to make an emergency call (notice mtp is not accessible)
- Cancel emergency call and go back to greeter (notice mtp IS accessible)
That's bad.
This happens because mtp-server pays attention to the greeter saying
it's active over DBus. And the first time it says it's active, mtp-
server makes itself available.
I believe the greeter has a bug where it briefly says it's inactive
when transitioning between emergency dialer and the greeter. We
should close that gap (once I confirm it exists).
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