USN-567-1: Dovecot vulnerability

Publication date

10 January 2008

Overview

Dovecot vulnerability

Releases


Packages

Details

It was discovered that in very rare configurations using LDAP, Dovecot may
reuse cached connections for users with the same password. As a result,
a user may be able to login as another if the connection is reused.
The default Ubuntu configuration of Dovecot was not vulnerable.

It was discovered that in very rare configurations using LDAP, Dovecot may
reuse cached connections for users with the same password. As a result,
a user may be able to login as another if the connection is reused.
The default Ubuntu configuration of Dovecot was not vulnerable.

Update instructions

In general, a standard system upgrade is sufficient to effect the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
7.10 gutsy dovecot-pop3d –  1:1.0.5-1ubuntu2.1
dovecot-imapd –  1:1.0.5-1ubuntu2.1
7.04 feisty dovecot-pop3d –  1.0.rc17-1ubuntu2.2
dovecot-imapd –  1.0.rc17-1ubuntu2.2

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.


Have additional questions?

Talk to a member of the team ›