* [gentoo-announce] [ GLSA 200908-09 ] DokuWiki: Local file inclusion
@ 2009-08-18 21:37 99% Alex Legler
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From: Alex Legler @ 2009-08-18 21:37 UTC (permalink / raw
To: gentoo-announce; +Cc: bugtraq, full-disclosure, security-alerts
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Gentoo Linux Security Advisory GLSA 200908-09
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http://security.gentoo.org/
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Severity: High
Title: DokuWiki: Local file inclusion
Date: August 18, 2009
Bugs: #272431
ID: 200908-09
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Synopsis
========
An input sanitation error in DokuWiki might lead to the dislosure of
local files or even the remote execution of arbitrary code.
Background
==========
DokuWiki is a standards compliant Wiki system written in PHP.
Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 www-apps/dokuwiki < 2009-02-14b >= 2009-02-14b
Description
===========
girex reported that data from the "config_cascade" parameter in
inc/init.php is not properly sanitized before being used.
Impact
======
A remote attacker could exploit this vulnerability to execute PHP code
from arbitrary local, or, when the used PHP version supports ftp://
URLs, also from remote files via FTP. Furthermore, it is possible to
disclose the contents of local files. NOTE: Successful exploitation
requires the PHP option "register_globals" to be enabled.
Workaround
==========
Disable "register_globals" in php.ini.
Resolution
==========
All DokuWiki users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose =www-apps/dokuwiki-2009-02-14b
References
==========
[ 1 ] CVE-2009-1960
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-1960
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-200908-09.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.
License
=======
Copyright 2009 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).
The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.
http://creativecommons.org/licenses/by-sa/2.5
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