USN-326-1: heartbeat vulnerability

28 July 2006

heartbeat vulnerability

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

  • Ubuntu 6.06 LTS
  • Ubuntu 5.10
  • Ubuntu 5.04

Software Description

Details

Yan Rong Ge discovered that heartbeat did not set proper permissions for an allocated shared memory segment. A local attacker could exploit this to render the heartbeat service unavailable (Denial of Service).

Update instructions

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

Ubuntu 6.06 LTS
heartbeat - 1.2.4-2ubuntu0.1
Ubuntu 5.10
heartbeat - 1.2.3-12ubuntu0.1
Ubuntu 5.04
heartbeat - 1.2.3-3ubuntu1.2

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

In general, a standard system upgrade is sufficient to effect the necessary changes.

References