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TUCoPS :: Linux :: Gentoo :: b06-4474.htm

Wireshark: Multiple vulnerabilities



Wireshark: Multiple vulnerabilities
Wireshark: Multiple vulnerabilities



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Gentoo Linux Security Advisory                           GLSA 200608-26
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http://security.gentoo.org/ 
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  Severity: Normal
     Title: Wireshark: Multiple vulnerabilities
      Date: August 29, 2006
      Bugs: #144946
        ID: 200608-26

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Synopsis
=======
Wireshark is vulnerable to several security issues that may lead to a
Denial of Service and/or the execution of arbitrary code.

Background
=========
Wireshark is a feature-rich network protocol analyzer.

Affected packages
================
    -------------------------------------------------------------------
     Package                 /  Vulnerable  /               Unaffected
    -------------------------------------------------------------------
  1  net-analyzer/wireshark      < 0.99.3                    >= 0.99.3

Description
==========
The following vulnerabilities have been discovered in Wireshark.
Firstly, if the IPsec ESP parser is used it is susceptible to
off-by-one errors, this parser is disabled by default; secondly, the
SCSI dissector is vulnerable to an unspecified crash; and finally, the
Q.2931 dissector of the SSCOP payload may use all the available memory
if a port range is configured. By default, no port ranges are
configured.

Impact
=====
An attacker might be able to exploit these vulnerabilities, resulting
in a crash or the execution of arbitrary code with the permissions of
the user running Wireshark, possibly the root user.

Workaround
=========
Disable the SCSI and Q.2931 dissectors with the "Analyse" and "Enabled
protocols" menus. Make sure the ESP decryption is disabled, with the
"Edit -> Preferences -> Protocols -> ESP" menu.

Resolution
=========
All Wireshark users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=net-analyzer/wireshark-0.99.3"

References
=========
  [ 1 ] CVE-2006-4330
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-4330 
  [ 2 ] CVE-2006-4331
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-4331 
  [ 3 ] CVE-2006-4332
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-4332 
  [ 4 ] CVE-2006-4333
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-4333 
  [ 5 ] Wireshark official advisory
http://www.wireshark.org/security/wnpa-sec-2006-02.html 

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

http://security.gentoo.org/glsa/glsa-200608-26.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 2006 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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