Ubuntu Security Notice (C) 2014-2016 Canonical, Inc. / NASL script (C) 2014-2016 Tenable Network Security, Inc.
The remote Ubuntu host is missing a security-related patch.
USN-2184-1 fixed lock screen vulnerabilities in Unity. Further testing
has uncovered more issues which have been fixed in this update. This
update also fixes a regression with the shutdown dialogue.
We apologize for the inconvenience.
Frederic Bardy discovered that Unity incorrectly filtered keyboard
shortcuts when the screen was locked. A local attacker could possibly
use this issue to run commands, and unlock the current session.
Giovanni Mellini discovered that Unity could display the
Dash in certain conditions when the screen was locked. A
local attacker could possibly use this issue to run
commands, and unlock the current session.
Note that Tenable Network Security has extracted the preceding
description block directly from the Ubuntu security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues.
Update the affected unity package.
Risk factor :
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