Ubuntu Security Notice USN-1371-1
22nd February, 2012
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 11.10
- Ubuntu 11.04
- Ubuntu 10.10
- Ubuntu 10.04 LTS
cvs could be made to crash or run programs as your login if it connected to a malicious proxy server.
- cvs - Concurrent Versions System
It was discovered that cvs incorrectly handled certain responses from
proxy servers. If a user were tricked into connecting to a malicious proxy
server, a remote attacker could cause cvs to crash, or possibly execute
The problem can be corrected by updating your system to the following package version:
- Ubuntu 11.10:
- cvs 2:1.12.13+real-6ubuntu0.1
- Ubuntu 11.04:
- cvs 1:1.12.13-12ubuntu1.11.04.1
- Ubuntu 10.10:
- cvs 1:1.12.13-12ubuntu18.104.22.168
- Ubuntu 10.04 LTS:
- cvs 1:1.12.13-12ubuntu1.10.04.1
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.