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--Security Report--
Advisory: vBulletin <= 3.5.4 with MKPortal 1.1 Remote SQL Injection
Vulnerability.
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Author: Mustafa Can Bjorn "nukedx a.k.a nuker" IPEKCI
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Date: 21/04/06 22:36 PM
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Contacts:{
ICQ: 10072
MSN/Email: nukedx@nukedx.com
Web: http://www.nukedx.com
}
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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
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How&Example:
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.
XSS:
GET ->
http://[victim]/[mkportaldir]/includes/pm_popup.
php?u1=[XSS]&m1=[XSS]&m2=[XSS]&m3=[XSS]&m4=[XSS]
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Timeline:
* 21/04/2006: Vulnerability found.
* 21/04/2006: Contacted with vendor and waiting reply.
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Exploit:
http://www.nukedx.com/?getxpl=26
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Dorks: "MKPortal 1.1 RC1"
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Original advisory can be found at: http://www.nukedx.com/?viewdoc=26
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