Ubuntu Security Notice USN-326-1
27th 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
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 version:
- 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.