PhpWiki: Arbitrary command execution through XML-RPC

1. Gentoo Linux Security Advisory

Advisory Reference	GLSA 200508-18 / phpwiki
Release Date	August 26, 2005
Latest Revision	August 26, 2005: 01
Impact	high
Exploitable	remote

Package	Vulnerable versions	Unaffected versions	Architecture(s)
www-apps/phpwiki	< 1.3.10-r2	>= 1.3.10-r2	All supported architectures

Related bugreports: #102380

Synopsis

PhpWiki includes PHP XML-RPC code which is vulnerable to arbitrary command execution.

2. Impact Information

Background

PhpWiki is an application that creates a web site where anyone can edit the pages through HTML forms.

Description

Earlier versions of PhpWiki contain an XML-RPC library that improperly handles XML-RPC 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 PhpWiki.

3. Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All PhpWiki users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=www-apps/phpwiki-1.3.10-r2"

4. References

CAN-2005-2498

Updated August 26, 2005

Summary: This is a Gentoo Linux Security Advisory

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