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USN-226-1: Courier vulnerability

10 December 2005

Courier vulnerability

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Releases

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.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 5.10
  • courier-authdaemon -
Ubuntu 5.04
  • courier-authdaemon -
Ubuntu 4.10
  • courier-authdaemon -

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

References