[Trisquel-security] [USN-1295-1] Dovecot vulnerability

Marc Deslauriers marc.deslauriers at canonical.com
Thu Dec 8 21:11:54 CET 2011


==========================================================================
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

Summary:

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

Software Description:
- 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 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


-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 836 bytes
Desc: This is a digitally signed message part
URL: <http://listas.trisquel.info/pipermail/trisquel-security/attachments/20111208/872f25ee/attachment-0001.pgp>
-------------- next part --------------
-- 
ubuntu-security-announce mailing list
ubuntu-security-announce at lists.ubuntu.com
Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-security-announce


More information about the Trisquel-security mailing list