Ubuntu Security Notice USN-666-1
7th November, 2008
dovecot vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 8.10
Software description
- dovecot
Details
It was discovered that certain email headers were not correctly handled
by Dovecot. If a remote attacker sent a specially crafted email to a
user with a mailbox managed by Dovecot, that user's mailbox would become
inaccessible through Dovecot, leading to a denial of service.
Update instructions
The problem can be corrected by updating your system to the following package version:
- Ubuntu 8.10:
- dovecot-imapd 1:1.1.4-0ubuntu1.2
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.