[ GLSA 200508-13 ] PEAR XML-RPC, phpxmlrpc: New PHP script injection vulnerability

[GLSA]

Gentoo Linux Security Advisory

Title: PEAR XML-RPC, phpxmlrpc: New PHP script injection vulnerability (GLSA 200508-13)
Severity: high
Exploitable: remote
Date: August 24, 2005
Bug(s): #102378, #102576
ID: 200508-13

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: dev-php/PEAR-XML_RPC
Vulnerable: < 1.4.0
Unaffected: >= 1.4.0
Architectures: All supported architectures

Package: dev-php/phpxmlrpc
Vulnerable: < 1.2-r1
Unaffected: >= 1.2-r1
Architectures: All 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: