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Gentoo: PHP Script injection through XML-RPC Print E-mail
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Posted by Benjamin D. Thomas   
Gentoo PHP includes an XML-RPC implementation which allows remote attackers to execute arbitrary PHP script commands.
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Gentoo Linux Security Advisory                           GLSA 200507-15
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                                            http://security.gentoo.org/
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  Severity: High
     Title: PHP: Script injection through XML-RPC
      Date: July 15, 2005
      Bugs: #97655
        ID: 200507-15

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Synopsis
========

PHP includes an XML-RPC implementation which allows remote attackers to
execute arbitrary PHP script commands.

Background
==========

PHP is a general-purpose scripting language widely used to develop
web-based applications. It can run inside a web server using the
mod_php module or the CGI version of PHP, or can run stand-alone in a
CLI.

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

    -------------------------------------------------------------------
     Package      /  Vulnerable  /                          Unaffected
    -------------------------------------------------------------------
  1  dev-php/php       < 4.4.0                                >= 4.4.0

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

James Bercegay has discovered that the XML-RPC implementation in PHP
fails to sanitize input passed in an XML document, which is used in an
"eval()" statement.

Impact
======

A remote attacker could exploit the XML-RPC vulnerability to execute
arbitrary PHP script code by sending specially crafted XML data to
applications making use of this XML-RPC implementation.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All PHP users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=dev-php/php-4.4.0"

References
==========

  [ 1 ] CAN-2005-1921
        http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-1921

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

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

  http://security.gentoo.org/glsa/glsa-200507-15.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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