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[ GLSA 200508-13 ] PEAR XML-RPC, phpxmlrpc: New PHP script injection vulnerability
From: Thierry Carrez <koon () gentoo org>
Date: Wed, 24 Aug 2005 10:56:14 +0200

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Gentoo Linux Security Advisory                           GLSA 200508-13
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                                            http://security.gentoo.org/
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  Severity: High
     Title: PEAR XML-RPC, phpxmlrpc: New PHP script injection
            vulnerability
      Date: August 24, 2005
      Bugs: #102378, #102576
        ID: 200508-13

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Synopsis
========

The PEAR XML-RPC and phpxmlrpc libraries allow remote attackers to
execute arbitrary PHP script commands.

Background
==========

The PEAR XML-RPC and phpxmlrpc libraries are both PHP implementations
of the XML-RPC protocol.

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

    -------------------------------------------------------------------
     Package               /  Vulnerable  /                 Unaffected
    -------------------------------------------------------------------
  1  dev-php/PEAR-XML_RPC       < 1.4.0                       >= 1.4.0
  2  dev-php/phpxmlrpc         < 1.2-r1                      >= 1.2-r1
    -------------------------------------------------------------------
     2 affected packages on all of their supported architectures.
    -------------------------------------------------------------------

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

Stefan Esser of the Hardened-PHP Project discovered that the PEAR
XML-RPC and phpxmlrpc libraries were improperly handling XMLRPC
requests and responses with malformed nested tags.

Impact
======

A remote attacker could exploit this vulnerability to inject arbitrary
PHP script code into eval() statements by sending a specially crafted
XML document to web applications making use of these libraries.

Workaround
==========

There are no known workarounds at this time.

Resolution
==========

All PEAR-XML_RPC users should upgrade to the latest available version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=dev-php/PEAR-XML_RPC-1.4.0"

All phpxmlrpc users should upgrade to the latest available version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=dev-php/phpxmlrpc-1.2-r1"

References
==========

  [ 1 ] CAN-2005-2498
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-2498
  [ 2 ] Hardened-PHP 14/2005 Advisory
        http://www.hardened-php.net/advisory_142005.66.html
  [ 3 ] Hardened-PHP 15/2005 Advisory
        http://www.hardened-php.net/advisory_152005.67.html

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

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

  http://security.gentoo.org/glsa/glsa-200508-13.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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