Ubuntu Security Notice USN-856-1
10th November, 2009
cups, cupsys vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 9.10
- Ubuntu 9.04
- Ubuntu 8.10
- Ubuntu 8.04 LTS
- Ubuntu 6.06 LTS
Software description
- cups
- cupsys
Details
Aaron Sigel discovered that the CUPS web interface incorrectly protected
against cross-site scripting (XSS) and cross-site request forgery (CSRF)
attacks. If an authenticated user were tricked into visiting a malicious
website while logged into CUPS, a remote attacker could modify the CUPS
configuration and possibly steal confidential data.
Update instructions
The problem can be corrected by updating your system to the following package version:
- Ubuntu 9.10:
- cups 1.4.1-5ubuntu2.1
- Ubuntu 9.04:
- cups 1.3.9-17ubuntu3.4
- Ubuntu 8.10:
- cups 1.3.9-2ubuntu9.3
- Ubuntu 8.04 LTS:
- cupsys 1.3.7-1ubuntu3.6
- Ubuntu 6.06 LTS:
- cupsys 1.2.2-0ubuntu0.6.06.15
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.