Pardus alert 2011-84 (postfix)

From:
    	       Meltem Parmaksız <meltem@pardus.org.tr> 
To:
    	       pardus-security@pardus.org.tr 
Subject:
    	       [Pardus-security] [PLSA 2011-84] postfix: Heap-Based Buffer Overread 
Date:
    	       Tue, 21 Jun 2011 16:08:54 +0300
Message-ID:
    	       <201106211608.54339.meltem@pardus.org.tr>
Archive-link:
    	       Article, Thread

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Pardus Linux Security Advisory 2011-84            security@pardus.org.tr
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      Date: 2011-06-21
      Type: Remote
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Summary
=======

A vulnerability has been fixed in postfix, which allows remote attackers
to cause a denial of service . 

Description
===========

CVE-2011-1720: 

The SMTP server in Postfix before 2.5.13, 2.6.x  before  2.6.10,  2.7.x 
before  2.7.4, and  2.8.x  before  2.8.3,  when  certain   yrus   SASL  
authentication methods are enabled, does not create a new server handle 
after client authentication fails, which  allows  remote  attackers  to 
cause a denial of service (heap memory corruption and daemon crash)  or 
possibly execute arbitrary code via an invalid AUTH  command  with  one 
method followed by an AUTH command with a different method. 

Affected packages:

  Pardus 2009:
    postfix, all before 2.6.10-26-7

Resolution
==========

There are update(s) for postfix. You can update them via Package Manager
or with a single command from console: 

    pisi up postfix

References
==========

  * http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-1720
  * http://bugs.pardus.org.tr/show_bug.cgi?id=18281

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