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[ GLSA 200809-17 ] Wireshark: Multiple Denials of Service
From: Pierre-Yves Rofes <py () gentoo org>
Date: Thu, 25 Sep 2008 23:15:47 +0200

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Gentoo Linux Security Advisory                           GLSA 200809-17
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                                             http://security.gentoo.org/
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   Severity: Normal
      Title: Wireshark: Multiple Denials of Service
       Date: September 25, 2008
       Bugs: #236515
         ID: 200809-17

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Synopsis
========

Multiple Denial of Service vulnerabilities have been discovered in
Wireshark.

Background
==========

Wireshark is a network protocol analyzer with a graphical front-end.

Affected packages
=================

     -------------------------------------------------------------------
      Package                 /  Vulnerable  /               Unaffected
     -------------------------------------------------------------------
   1  net-analyzer/wireshark       < 1.0.3                     >= 1.0.3

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

The following vulnerabilities were reported:

* Multiple buffer overflows in the NCP dissector (CVE-2008-3146).

* Infinite loop in the NCP dissector (CVE-2008-3932).

* Invalid read in the tvb_uncompress() function when processing zlib
   compressed data (CVE-2008-3933).

* Unspecified error when processing Textronix .rf5 files
   (CVE-2008-3934).

Impact
======

A remote attacker could exploit these vulnerabilities by sending
specially crafted packets on a network being monitored by Wireshark or
by enticing a user to read a malformed packet trace file, causing a
Denial of Service.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Wireshark users should upgrade to the latest version:

     # emerge --sync
     # emerge --ask --oneshot --verbose ">=net-analyzer/wireshark-1.0.3"

References
==========

   [ 1 ] CVE-2008-3146
         http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-3146
   [ 2 ] CVE-2008-3932
         http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-3932
   [ 3 ] CVE-2008-3933
         http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-3933
   [ 4 ] CVE-2008-3934
         http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-3934

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

   http://security.gentoo.org/glsa/glsa-200809-17.xml

Concerns?
=========

Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users machines is of utmost
importance to us. Any security concerns should be addressed to
security () gentoo org or alternatively, you may file a bug at
http://bugs.gentoo.org.

License
=======

Copyright 2008 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

http://creativecommons.org/licenses/by-sa/2.5



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