USN-2213-1: Dovecot vulnerability

Releases

• Ubuntu 14.04 ESM
• Ubuntu 13.10
• Ubuntu 12.10
• Ubuntu 12.04
• Ubuntu 10.04

Packages

• dovecot - IMAP and POP3 email server

Details

It was discovered that Dovecot incorrectly handled closing inactive SSL/TLS
connections. A remote attacker could use this issue to cause Dovecot to
stop responding to new connections, resulting in a denial of service.

Update instructions

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

Ubuntu 14.04

• dovecot-core - 1:2.2.9-1ubuntu2.1
• dovecot-imapd - 1:2.2.9-1ubuntu2.1
• dovecot-pop3d - 1:2.2.9-1ubuntu2.1

Ubuntu 13.10

• dovecot-core - 1:2.1.7-7ubuntu3.1
• dovecot-imapd - 1:2.1.7-7ubuntu3.1
• dovecot-pop3d - 1:2.1.7-7ubuntu3.1

Ubuntu 12.10

• dovecot-core - 1:2.1.7-1ubuntu2.1
• dovecot-imapd - 1:2.1.7-1ubuntu2.1
• dovecot-pop3d - 1:2.1.7-1ubuntu2.1

Ubuntu 12.04

• dovecot-core - 1:2.0.19-0ubuntu2.1
• dovecot-imapd - 1:2.0.19-0ubuntu2.1
• dovecot-pop3d - 1:2.0.19-0ubuntu2.1

Ubuntu 10.04

• dovecot-imapd - 1:1.2.9-1ubuntu6.6
• dovecot-pop3d - 1:1.2.9-1ubuntu6.6

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

References

• CVE-2014-3430