Ubuntu Security Notice USN-842-1
6th October, 2009
wget vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 9.04
- Ubuntu 8.10
- Ubuntu 8.04 LTS
- Ubuntu 6.06 LTS
Software description
- wget
Details
It was discovered that Wget did not correctly handle SSL certificates with
zero bytes in the Common Name. A remote attacker could exploit this to
perform a man in the middle attack to view sensitive information or alter
encrypted communications.
Update instructions
The problem can be corrected by updating your system to the following package version:
- Ubuntu 9.04:
- wget 1.11.4-2ubuntu1.1
- Ubuntu 8.10:
- wget 1.11.4-1ubuntu1.1
- Ubuntu 8.04 LTS:
- wget 1.10.2-3ubuntu1.1
- Ubuntu 6.06 LTS:
- wget 1.10.2-1ubuntu1.1
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.