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Date: Thu, 16 Aug 2007 21:55:00 +0200
From: Raphael Marichez <falco@...too.org>
To: gentoo-announce@...too.org
Cc: bugtraq@...urityfocus.com, full-disclosure@...ts.grok.org.uk,
	security-alerts@...uxsecurity.com
Subject: [ GLSA 200708-12 ] Wireshark: Multiple vulnerabilities

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Gentoo Linux Security Advisory                           GLSA 200708-12
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: Wireshark: Multiple vulnerabilities
      Date: August 16, 2007
      Bugs: #183520
        ID: 200708-12

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Synopsis
========

Multiple vulnerabilities have been discovered in Wireshark, allowing
for the remote execution of arbitrary code and a Denial of Service.

Background
==========

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

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

    -------------------------------------------------------------------
     Package                 /  Vulnerable  /               Unaffected
    -------------------------------------------------------------------
  1  net-analyzer/wireshark      < 0.99.6                    >= 0.99.6

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

Wireshark doesn't properly handle chunked encoding in HTTP responses
(CVE-2007-3389), iSeries capture files (CVE-2007-3390), certain types
of DCP ETSI packets (CVE-2007-3391), and SSL or MMS packets
(CVE-2007-3392). An off-by-one error has been discovered in the
DHCP/BOOTP dissector when handling DHCP-over-DOCSIS packets
(CVE-2007-3393).

Impact
======

A remote attacker could send specially crafted packets on a network
being monitored with Wireshark, possibly resulting in the execution of
arbitrary code with the privileges of the user running Wireshark which
might be the root user, or a Denial of Service.

Workaround
==========

In order to prevent root compromise, take network captures with tcpdump
and analyze them running Wireshark as a least privileged user.

Resolution
==========

All Wireshark users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=net-analyzer/wireshark-0.99.6"

References
==========

  [ 1 ] CVE-2007-3389
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-3389
  [ 2 ] CVE-2007-3390
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-3390
  [ 3 ] CVE-2007-3391
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-3391
  [ 4 ] CVE-2007-3392
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-3392
  [ 5 ] CVE-2007-3393
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-3393

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

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

  http://security.gentoo.org/glsa/glsa-200708-12.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@...too.org or alternatively, you may file a bug at
http://bugs.gentoo.org.

License
=======

Copyright 2007 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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