USN-3861-2: PolicyKit vulnerability

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

• USN-3861-1
• CVE-2018-19788

Source: USN-3861-2: PolicyKit vulnerability