Ubuntu Security Notice USN-933-1
28th April, 2010
postgresql-8.1, postgresql-8.3, postgresql-8.4 vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 9.10
- Ubuntu 9.04
- Ubuntu 8.04 LTS
- Ubuntu 6.06 LTS
Software description
- postgresql-8.1
- postgresql-8.3
- postgresql-8.4
Details
It was discovered that PostgreSQL did not properly sanitize its input when
using substring() with a SELECT statement. A remote authenticated attacker
could exploit this to cause a denial of service via application crash.
Update instructions
The problem can be corrected by updating your system to the following package version:
- Ubuntu 9.10:
- postgresql-8.4 8.4.3-0ubuntu9.10.1
- Ubuntu 9.04:
- postgresql-8.3 8.3.10-0ubuntu9.04.1
- Ubuntu 8.04 LTS:
- postgresql-8.3 8.3.10-0ubuntu8.04.1
- Ubuntu 6.06 LTS:
- postgresql-8.1 8.1.20-0ubuntu0.6.06.1
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.