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Ubuntu 12.04 ESM USN-3861-2 Critical: PolicyKit Access Control Issue

ubuntu
Calendar Grey January 16, 2019
Dist Ubuntu Esm H88
Ubuntu Security Notice USN-3862-1 addresses a vulnerability within the AppArmor service that enables unauthorized actions by local users.
PolicyKit could allow unintended access.

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.

Topics%20covered

Topics Covered

security advisory access control Ubuntu local attack PolicyKit administrative privileges

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

After a standard system update you need to reboot your computer to make
all the necessary changes.

References

 

  https://ubuntu.com/security/notices/USN-3861-1

  CVE-2018-19788

Severity
critical
Lowest
Low
Medium
High
Critical

January 16, 2019

Topics%20covered

Topics Covered

security advisory access control Ubuntu local attack PolicyKit administrative privileges

Package Information

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