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ESB-2014.1184 - [Debian] fail2ban: Denial of service - Remote/unauthenticated

Date: 18 July 2014
References: ESB-2014.0138  

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

                               ESB-2014.1184
                         fail2ban security update
                               18 July 2014

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

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

Product:           fail2ban
Publisher:         Debian
Operating System:  Debian GNU/Linux 7
Impact/Access:     Denial of Service -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2013-7177 CVE-2013-7176 

Reference:         ESB-2014.0138

Original Bulletin: 
   http://www.debian.org/security/2014/dsa-2979

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- - -------------------------------------------------------------------------
Debian Security Advisory DSA-2979-1                   security@debian.org
http://www.debian.org/security/                        Moritz Muehlenhoff
July 17, 2014                          http://www.debian.org/security/faq
- - -------------------------------------------------------------------------

Package        : fail2ban
CVE ID         : CVE-2013-7176 CVE-2013-7177

Two vulnerabilities were discovered in Fail2ban, a solution to ban hosts 
that cause multiple authentication errors. When using Fail2ban to monitor
Postfix or Cyrus IMAP logs, improper input validation in log parsing 
could enable a remote attacker to trigger an IP ban on arbitrary 
addresses, resulting in denial of service.

For the stable distribution (wheezy), these problems have been fixed in
version 0.8.6-3wheezy3.

For the testing distribution (jessie), these problems have been fixed in
version 0.8.11-1.

For the unstable distribution (sid), these problems have been fixed in
version 0.8.11-1.

We recommend that you upgrade your fail2ban 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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===========================================================================
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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