PhpWiki: Remote execution of arbitrary code

1. Gentoo Linux Security Advisory

Advisory Reference	GLSA 200705-16 / phpwiki
Release Date	May 17, 2007
Latest Revision	May 17, 2007: 01
Impact	high
Exploitable	remote

Package	Vulnerable versions	Unaffected versions	Architecture(s)
www-apps/phpwiki	< 1.3.10-r3	>= 1.3.10-r3	All supported architectures

Related bugreports: #174451

Synopsis

A vulnerability has been discovered in PhpWiki allowing for the remote execution of arbitrary code.

2. Impact Information

Background

PhpWiki is an open source content management system written in PHP.

Description

Harold Hallikainen has reported that the Upload page fails to properly check the extension of a file.

Impact

A remote attacker could upload a specially crafted PHP file to the vulnerable server, resulting in the execution of arbitrary PHP code with the privileges of the user running 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-r3"

4. References

Updated May 17, 2007

Summary: This is a Gentoo Linux Security Advisory

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