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Message-ID: <20070422210514.GE31875@falco.falcal.net>
Date: Sun, 22 Apr 2007 23:05:14 +0200
From: Raphael Marichez <falco@...too.org>
To: gentoo-announce@...too.org
Cc: bugtraq@...urityfocus.com, full-disclosure@...ts.grok.org.uk,
	security-alerts@...uxsecurity.com
Subject: [ GLSA 200704-17 ] 3proxy: Buffer overflow

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Gentoo Linux Security Advisory                           GLSA 200704-17
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                                            http://security.gentoo.org/
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  Severity: High
     Title: 3proxy: Buffer overflow
      Date: April 22, 2007
      Bugs: #174429
        ID: 200704-17

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Synopsis
========

A vulnerability has been discovered in 3proxy allowing for the remote
execution of arbitrary code.

Background
==========

3proxy is a multi-protocol proxy, including HTTP/HTTPS/FTP and SOCKS
support.

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

    -------------------------------------------------------------------
     Package           /  Vulnerable  /                     Unaffected
    -------------------------------------------------------------------
  1  net-proxy/3proxy      < 0.5.3h                          >= 0.5.3h

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

The 3proxy development team reported a buffer overflow in the logurl()
function when processing overly long requests.

Impact
======

A remote attacker could send a specially crafted transparent request to
the proxy, resulting in the execution of arbitrary code with privileges
of the user running 3proxy.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All 3proxy users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=net-proxy/3proxy-0.5.3h"

References
==========

  [ 1 ] CVE-2007-2031
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-2031

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

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

  http://security.gentoo.org/glsa/glsa-200704-17.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@...too.org or alternatively, you may file a bug at
http://bugs.gentoo.org.

License
=======

Copyright 2007 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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