Pardus alert 2010-86 (ncompress)

From:
    	     
 
Eren Turkay <eren@pardus.org.tr> 
To:
    	     
 
pardus-security@pardus.org.tr 
Subject:
    	     
 
[Pardus-security] [PLSA 2010-86] ncompress: Integer Underflow 
Date:
    	     
 
Thu, 24 Jun 2010 15:02:35 +0300 (EEST)
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<20100624120235.C63E2A7ABC2@lider.pardus.org.tr>
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Article, Thread
              
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Pardus Linux Security Advisory 2010-86            security@pardus.org.tr
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      Date: 2010-06-24
  Severity: 3
      Type: Local
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Summary
=======

An integer underflow vulnerability has been fixed which can be used  by 
malicious people to cause denial of service. 


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

Integer underflow in the unlzw function in unlzw.c in gzip before 1.4 on
64-bit platforms allows remote attackers to cause a denial  of  service 
(application crash) or possibly execute arbitrary code via a crafted 

archive that uses LZW compression, leading to  an  array  index  error. 
Similar vulnerability with PLSA 2010-14 


Affected packages:

  Pardus 2009:
    ncompress, all before 4.2.4.2-7-5


Resolution
==========

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

    pisi up ncompress

References
==========

  * http://bugs.pardus.org.tr/show_bug.cgi?id=13494
  * http://security.pardus.org.tr/en/2010-14/

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