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  Недостаточная валидация SSL-сертификатов в Dovecot

Date:12 декабря 2011 г.
Subject:[USN-1295-1] Dovecot vulnerability

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.


Package Information:

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