USN-3861-2: PolicyKit vulnerability
policykit-1 vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 ESM
Summary
PolicyKit could allow unintended access.
Software Description
- policykit-1 – framework for managing administrative policies and privileges
Details
USN-3861-1 fixed a vulnerability in PolicyKit. This update provides
the corresponding update for Ubuntu 12.04 ESM.
Original advisory details:
It was discovered that PolicyKit incorrectly handled certain large user
UIDs. A local attacker with a large UID could possibly use this issue to
perform privileged actions.
Update instructions
The problem can be corrected by updating your system to the following package versions:
- Ubuntu 12.04 ESM
- libpolkit-backend-1-0 – 0.104-1ubuntu1.4
- policykit-1 – 0.104-1ubuntu1.4
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
After a standard system update you need to reboot your computer to make
all the necessary changes.
References
Source: USN-3861-2: PolicyKit vulnerability
