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[ GLSA 200509-14 ] Zebedee: Denial of Service vulnerability
From: Thierry Carrez <koon () gentoo org>
Date: Tue, 20 Sep 2005 15:48:13 +0200

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Gentoo Linux Security Advisory                           GLSA 200509-14
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: Zebedee: Denial of Service vulnerability
      Date: September 20, 2005
      Bugs: #105115
        ID: 200509-14

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Synopsis
========

A bug in Zebedee allows a remote attacker to perform a Denial of
Service attack.

Background
==========

Zebedee is an application that establishes an encrypted, compressed
tunnel for TCP/IP or UDP data transfer between two systems.

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

    -------------------------------------------------------------------
     Package           /  Vulnerable  /                     Unaffected
    -------------------------------------------------------------------
  1  net-misc/zebedee       < 2.5.3                       *>= 2.4.1-r1
                                                              >= 2.5.3

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

"Shiraishi.M" reported that Zebedee crashes when "0" is received as the
port number in the protocol option header.

Impact
======

By performing malformed requests a remote attacker could cause Zebedee
to crash.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Zebedee users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose net-misc/zebedee

References
==========

  [ 1 ] BugTraq ID 14796
        http://www.securityfocus.com/bid/14796

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

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

  http://security.gentoo.org/glsa/glsa-200509-14.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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