[ GLSA 200405-08 ] Pound format string vulnerability

[Thierry Carrez <koon () gentoo org>]

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Gentoo Linux Security Advisory                           GLSA 200405-08
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                                            http://security.gentoo.org/
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  Severity: High
     Title: Pound format string vulnerability
      Date: May 18, 2004
      Bugs: #50421
        ID: 200405-08

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Synopsis
========

There is a format string flaw in Pound, allowing remote execution of
arbitrary code with the rights of the Pound process.

Background
==========

Pound is a reverse proxy, load balancer and HTTPS front-end. It allows
to distribute the load on several web servers and offers a SSL wrapper
for web servers that do not support SSL directly.

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

    -------------------------------------------------------------------
     Package        /   Vulnerable   /                      Unaffected
    -------------------------------------------------------------------
  1  net-www/pound        <= 1.5                                >= 1.6

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

A format string flaw in the processing of syslog messages was
discovered and corrected in Pound.

Impact
======

This flaw may allow 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. All users are advised to
upgrade to the latest available version of Pound.

Resolution
==========

All users of Pound should upgrade to the latest stable version:

    # emerge sync

    # emerge -pv ">=net-www/pound-1.6"
    # emerge ">=net-www/pound-1.6"

References
==========

  [ 1 ] Pound announcement

http://www.apsis.ch/pound/pound_list/archive/2003/2003-12/1070234315000#1070234315000

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

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

     http://security.gentoo.org/glsa/glsa-200405-08.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 2004 Gentoo Technologies, 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/1.0

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