[USN-1295-1] Dovecot vulnerability

Type securityvulns
Reporter Securityvulns
Modified 2011-12-12T00:00:00


========================================================================== Ubuntu Security Notice USN-1295-1 December 08, 2011

dovecot vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 11.10


Dovecot could be made to expose sensitive information over the network.

Software Description: - dovecot: IMAP and POP3 email server


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 man-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: dovecot-common 1:2.0.13-1ubuntu3.2

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

References: http://www.ubuntu.com/usn/usn-1295-1 CVE-2011-4318

Package Information: https://launchpad.net/ubuntu/+source/dovecot/1:2.0.13-1ubuntu3.2