It was discovered that Dovecot, when configured to use non-system-user spools and compressed folders, would allow directory traversals in mailbox names. Remote authenticated users could potentially read email owned by other users.
The problem can be corrected by updating your system to the following package versions:
17 July 2007
A security issue affects these releases of Ubuntu and its derivatives:
It was discovered that Dovecot, when configured to use non-system-user spools and compressed folders, would allow directory traversals in mailbox names. Remote authenticated users could potentially read email owned by other users.
The problem can be corrected by updating your system to the following package versions:
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.
Vulmon