USN-1295-1: Dovecot vulnerability
8 December 2011
Dovecot could be made to expose sensitive information over the network.
Releases
Packages
- dovecot - IMAP and POP3 email server
Details
It was discovered that Dovecot incorrectly validated certificate hostnames
when being used as a POP3 and IMAP proxy. If a remote attacker were able to
perform a machine-in-the-middle attack, this flaw could be exploited to view
sensitive information.
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 11.10
In general, a standard system update will make all the necessary changes.