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ESB-2014.0907 - [UNIX/Linux][Debian] dovecot: Denial of service - Remote/unauthenticated

Date: 10 June 2014
References: ESB-2014.1038  

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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2014.0907
                          dovecot security update
                               10 June 2014

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

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           dovecot
Publisher:         Debian
Operating System:  Debian GNU/Linux 7
                   UNIX variants (UNIX, Linux, OSX)
Impact/Access:     Denial of Service -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2014-3430  

Original Bulletin: 
   http://www.debian.org/security/2014/dsa-2954

Comment: This advisory references vulnerabilities in products which run on 
         platforms other than Debian. It is recommended that administrators 
         running dovecot check for an updated version of the software for 
         their operating system.

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- - -------------------------------------------------------------------------
Debian Security Advisory DSA-2954-1                   security@debian.org
http://www.debian.org/security/                      Salvatore Bonaccorso
June 09, 2014                          http://www.debian.org/security/faq
- - -------------------------------------------------------------------------

Package        : dovecot
CVE ID         : CVE-2014-3430
Debian Bug     : 747549

It was discovered that the Dovecot email server is vulnerable to a
denial of service attack against imap/pop3-login processes due to
incorrect handling of the closure of inactive SSL/TLS connections.

For the stable distribution (wheezy), this problem has been fixed in
version 1:2.1.7-7+deb7u1.

For the testing distribution (jessie), this problem has been fixed in
version 1:2.2.13~rc1-1.

For the unstable distribution (sid), this problem has been fixed in
version 1:2.2.13~rc1-1.

We recommend that you upgrade your dovecot packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: http://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org
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This security bulletin is provided as a service to AusCERT's members.  As
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        http://www.auscert.org.au/render.html?cid=1980

===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
Facsimile:      (07) 3365 7031
Telephone:      (07) 3365 4417 (International: +61 7 3365 4417)
                AusCERT personnel answer during Queensland business hours
                which are GMT+10:00 (AEST).
                On call after hours for member emergencies only.
===========================================================================
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