=========================================================================Ubuntu Security Notice USN-1371-1
February 22, 2012

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

- Ubuntu 11.10
- Ubuntu 11.04
- Ubuntu 10.10
- Ubuntu 10.04 LTS

Summary:

cvs could be made to crash or run programs as your login if it connected to
a malicious proxy server.

Software Description:
- cvs: Concurrent Versions System

Details:

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
arbitrary code.

Update instructions:

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

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                             1:1.12.13-12ubuntu1.10.10.1

Ubuntu 10.04 LTS:
  cvs                             1:1.12.13-12ubuntu1.10.04.1

In general, a standard system update will make all the necessary changes.

References:
  https://ubuntu.com/security/notices/USN-1371-1
  CVE-2012-0804

Package Information:
  https://launchpad.net/ubuntu/+source/cvs/2:1.12.13+real-6ubuntu0.1
  https://launchpad.net/ubuntu/+source/cvs/1:1.12.13-12ubuntu1.11.04.1
  https://launchpad.net/ubuntu/+source/cvs/1:1.12.13-12ubuntu1.10.10.1
  https://launchpad.net/ubuntu/+source/cvs/1:1.12.13-12ubuntu1.10.04.1