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Gentoo: Pound Buffer overflow vulnerability Print E-mail
User Rating:      How can I rate this item?
Posted by Benjamin D. Thomas   
Gentoo Pound is vulnerable to a buffer overflow that could lead to the remote execution of arbitrary code.
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Gentoo Linux Security Advisory                           GLSA 200504-29
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                                            http://security.gentoo.org/
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  Severity: High
     Title: Pound: Buffer overflow vulnerability
      Date: April 30, 2005
      Bugs: #90851
        ID: 200504-29

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Synopsis
========

Pound is vulnerable to a buffer overflow that could lead to the remote
execution of arbitrary code.

Background
==========

Pound is a reverse proxy, load balancer and HTTPS front-end.

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

    -------------------------------------------------------------------
     Package            /  Vulnerable  /                    Unaffected
    -------------------------------------------------------------------
  1  www-servers/pound       < 1.8.3                          >= 1.8.3

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

Steven Van Acker has discovered a buffer overflow vulnerability in the
"add_port()" function in Pound.

Impact
======

A remote attacker could send a request for an overly long hostname
parameter, which could lead to the remote execution of arbitrary code
with the rights of the Pound daemon process (by default, Gentoo uses
the "nobody" user to run the Pound daemon).

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Pound users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=www-servers/pound-1.8.3"

References
==========

  [ 1 ] Original announcement

http://www.apsis.ch/pound/pound_list/archive/2005/2005-04/1114516112000

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

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

  http://security.gentoo.org/glsa/glsa-200504-29.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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