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PHP: Script injection through XML-RPC


1.  Gentoo Linux Security Advisory

Version Information

Advisory Reference GLSA 200507-15 / PHP
Release Date July 15, 2005
Latest Revision July 15, 2005: 01
Impact high
Exploitable remote
Package Vulnerable versions Unaffected versions Architecture(s)
dev-php/php < 4.4.0 >= 4.4.0 All supported architectures

Related bugreports: #97655


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

2.  Impact Information


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.


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.


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.

3.  Resolution Information


There is no known workaround at this time.


All PHP users should upgrade to the latest version:

Code Listing 3.1: Resolution

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

4.  References


Page updated July 15, 2005

Summary: This is a Gentoo Linux Security Advisory

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