USN-5252-2: PolicyKit vulnerability
25 January 2022
policykit-1 could be made to run programs as an administrator.
Releases
Packages
- policykit-1 - framework for managing administrative policies and privileges
Details
USN-5252-1 fixed a vulnerability in policykit-1. This update provides
the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.
Original advisory details:
It was discovered that the PolicyKit pkexec tool incorrectly handled
command-line arguments. A local attacker could use this issue to escalate
privileges to an administrator.
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 16.04
-
policykit-1
-
0.105-14.1ubuntu0.5+esm1
Available with Ubuntu Pro
Ubuntu 14.04
-
policykit-1
-
0.105-4ubuntu3.14.04.6+esm1
Available with Ubuntu Pro
In general, a standard system update will make all the necessary changes.
References
Related notices
- USN-5252-1: libpolkit-agent-1-0, libpolkit-backend-1-0, policykit-1-doc, libpolkit-agent-1-dev, libpolkit-backend-1-dev, libpolkit-gobject-1-dev, libpolkit-gobject-1-0, policykit-1, gir1.2-polkit-1.0