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Home >> Browse Vulnerability Assessment Database >> CGI abuses >> DokuWiki spellcheck Arbitrary Code Execution Vulnerability


Vulnerability Assessment Details

DokuWiki spellcheck Arbitrary Code Execution Vulnerability

Vulnerability Assessment Summary
Executes arbitrary PHP code via DocuWiki spellcheck

Detailed Explanation for this Vulnerability Assessment

Summary :

The remote web server contains a PHP application that is affected by
an arbitrary code execution vulnerability.

Description :

The remote host is running DokuWiki, an open-source wiki application
written in PHP.

The installed version of DokuWiki fails to properly sanitize input to
the 'data' parameter of the 'lib/exe/spellcheck.php' script before
evaluating it to handle links embedded in the text. An
unauthenticated attacker can leverage this issue with PHP commands in
'complex curly syntax' to execute arbitrary PHP code on the remote
host subject to the rights of the web server user id.

See also :

http://www.hardened-php.net/advisory_042006.119.html
http://www.securityfocus.com/archive/1/435989/30/0/threaded
http://bugs.splitbrain.org/index.php?do=details&id=823

Solution :

Upgrade to DokuWiki release 2006-03-09 with hotfix 823 or later.

Network Security Threat Level:

High / CVSS Base Score : 7
(AV:R/AC:L/Au:NR/C:P/A:P/I:P/B:N)

Networks Security ID: 18289

Vulnerability Assessment Copyright: This script is Copyright (C) 2006-2007 Tenable Network Security

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