Ubuntu Security Notice USN-226-1
9th December, 2005
courier vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 5.10
- Ubuntu 5.04
- Ubuntu 4.10
Details
Patrick Cheong Shu Yang discovered a flaw in the user account handling
of courier-authdaemon. After successful authorization, the Courier
mail server granted access to deactivated accounts.
Update instructions
The problem can be corrected by updating your system to the following package version:
- Ubuntu 5.10:
- courier-authdaemon
- Ubuntu 5.04:
- courier-authdaemon
- Ubuntu 4.10:
- courier-authdaemon
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
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