USN-2297-1: acpi-support vulnerability

Ubuntu Security Notice USN-2297-1

22nd July, 2014

acpi-support vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 12.04 LTS

Summary

The system could be made to run programs as an administrator.

Software description

  • acpi-support - scripts for handling many ACPI events

Details

CESG discovered that acpi-support incorrectly handled certain privileged
operations when checking for power management daemons. A local attacker
could use this flaw to execute arbitrary code and elevate privileges to
root.

Update instructions

The problem can be corrected by updating your system to the following package version:

Ubuntu 12.04 LTS:
acpi-support 0.140.2

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

In general, a standard system update will make all the necessary changes.

References

CVE-2014-1419