A new security update has been released for Gentoo Linux - Ethereal: Multiple vulnerabilities in protocol dissectors. Here the announcement:

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