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Gentoo Linux Security Advisory                           GLSA 200510-25
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  Severity: High
     Title: Ethereal: Multiple vulnerabilities in protocol dissectors
      Date: October 30, 2005
      Bugs: #109348
        ID: 200510-25

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Synopsis
========

Ethereal is vulnerable to numerous vulnerabilities, potentially
resulting in the execution of arbitrary code or abnormal termination.

Background
==========

Ethereal is a feature-rich network protocol analyzer.

Affected packages
=================

    -------------------------------------------------------------------
     Package                /   Vulnerable   /              Unaffected
    -------------------------------------------------------------------
  1  net-analyzer/ethereal     < 0.10.13-r1              >= 0.10.13-r1

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

There are numerous vulnerabilities in versions of Ethereal prior to
0.10.13, including:

* The SLIM3 and AgentX dissectors could overflow a buffer
  (CVE-2005-3243).

* iDEFENSE discovered a buffer overflow in the SRVLOC dissector
  (CVE-2005-3184).

* Multiple potential crashes in many dissectors have been fixed, see
  References for further details.

Furthermore an infinite loop was discovered in the IRC protocol
dissector of the 0.10.13 release (CVE-2005-3313).

Impact
======

An attacker might be able to use these vulnerabilities to crash
Ethereal or execute arbitrary code with the permissions of the user
running Ethereal, which could be the root user.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Ethereal users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=net-analyzer/ethereal-0.10.13-r1"

References
==========

  [ 1 ] CVE-2005-3184
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3184
  [ 2 ] CVE-2005-3241
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3241
  [ 3 ] CVE-2005-3242
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3242
  [ 4 ] CVE-2005-3243
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3243
  [ 5 ] CVE-2005-3244
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3244
  [ 6 ] CVE-2005-3245
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3245
  [ 7 ] CVE-2005-3246
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3246
  [ 8 ] CVE-2005-3247
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3247
  [ 9 ] CVE-2005-3248
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3248
  [ 10 ] CVE-2005-3249
         http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3249
  [ 11 ] CVE-2005-3313
         http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3313
  [ 12 ] Ethereal enpa-sa-00021
         http://www.ethereal.com/appnotes/enpa-sa-00021.html

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

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

  http://security.gentoo.org/glsa/glsa-200510-25.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 2005 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/2.0

--

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