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Gentoo Linux Security Advisory                           GLSA 200604-17
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http://security.gentoo.org/ 
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  Severity: High
     Title: Ethereal: Multiple vulnerabilities in protocol dissectors
      Date: April 27, 2006
      Bugs: #130505
        ID: 200604-17

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Synopsis
=======
Ethereal is vulnerable to numerous vulnerabilities, potentially
resulting in the execution of arbitrary code.

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

Affected packages
================
    -------------------------------------------------------------------
     Package                /  Vulnerable  /                Unaffected
    -------------------------------------------------------------------
  1  net-analyzer/ethereal      < 0.99.0                     >= 0.99.0

Description
==========
Coverity discovered numerous vulnerabilities in versions of Ethereal
prior to 0.99.0, including:

* buffer overflows in the ALCAP (CVE-2006-1934), COPS (CVE-2006-1935)
  and telnet (CVE-2006-1936) dissectors.

* buffer overflows in the NetXray/Windows Sniffer and Network
  Instruments file code (CVE-2006-1934).

For further details please consult the references below.

Impact
=====
An attacker might be able to exploit 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-0.99.0"

References
=========
  [ 1 ] CVE-2006-1932
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-1932 
  [ 2 ] CVE-2006-1933
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-1933 
  [ 3 ] CVE-2006-1934
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-1934 
  [ 4 ] CVE-2006-1935
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-1935 
  [ 5 ] CVE-2006-1936
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-1936 
  [ 6 ] CVE-2006-1937
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-1937 
  [ 7 ] CVE-2006-1938
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-1938 
  [ 8 ] CVE-2006-1939
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-1939 
  [ 9 ] CVE-2006-1940
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-1940 
  [ 10 ] Ethereal enpa-sa-00023
http://www.ethereal.com/appnotes/enpa-sa-00023.html 

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

http://security.gentoo.org/glsa/glsa-200604-17.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 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/2.0 

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