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[ GLSA 200809-17 ] Wireshark: Multiple Denials of Service


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Date: Thu, 25 Sep 2008 23:15:47 +0200
From: Pierre-Yves Rofes <py@gentoo.org.>
To: [email protected]
Subject: [ GLSA 200809-17 ] Wireshark: Multiple Denials of Service
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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
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Multiple Denial of Service vulnerabilities have been discovered in
Wireshark.

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

Affected packages
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      -------------------------------------------------------------------=

       Package                 /  Vulnerable  /               Unaffected
      -------------------------------------------------------------------=


    1  net-analyzer/wireshark       < 1.0.3                     >=3D 1.0.=
3

Description
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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
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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
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There is no known workaround at this time.

Resolution
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All Wireshark users should upgrade to the latest version:

      # emerge --sync
      # emerge --ask --oneshot --verbose ">=3Dnet-analyzer/wireshark-1.0.=
3"


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


Availability
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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?
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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
[email protected] or alternatively, you may file a bug at
http://bugs.gentoo.org.

License
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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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