GLSA 200609-20: DokuWiki: Shell command injection and Denial of Service

http://security.gentoo.org/

Severity:	high
Title:	DokuWiki: Shell command injection and Denial of Service
Date:	09/28/2006
Bugs:	#149266
ID:	200609-20

Synopsis

DokuWiki is vulnerable to shell command injection and Denial of Service attacks when using ImageMagick.

Background

DokuWiki is a wiki targeted at developer teams, workgroups and small companies. It does not use a database backend.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
www-apps/dokuwiki	< 20060309e	>= 20060309e	All supported architectures

Description

Input validation flaws have been discovered in the image handling of fetch.php if ImageMagick is used, which is not the default method.

Impact

A remote attacker could exploit the flaws to execute arbitrary shell commands with the rights of the web server daemon or cause a Denial of Service.

Workaround

There is no known workaround at this time.

Resolution

All DokuWiki users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=www-apps/dokuwiki-20060309e"

References

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-200609-20.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 https://bugs.gentoo.org.