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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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