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www.waraxe.us Forum Index -> vBulletin Board -> vBulletin <= 3.5.4 with MKPortal 1.1 Remote SQL Injection
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vBulletin <= 3.5.4 with MKPortal 1.1 Remote SQL Injection
PostPosted: Sat May 06, 2006 12:41 pm Reply with quote
waraxe
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Posts: 2407
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Original source:

http://www.nukedx.com/?viewdoc=26

Code:

--Security Report--
Advisory: vBulletin <= 3.5.4 with MKPortal 1.1 Remote SQL Injection
Vulnerability.
---
Author: Mustafa Can Bjorn "nukedx a.k.a nuker" IPEKCI
---
Date: 21/04/06 22:36 PM
---
Contacts:{
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
---
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]

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

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PostPosted: Mon Jul 03, 2006 8:28 pm Reply with quote
superninja
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k but where must i put this script?
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PostPosted: Tue Jul 04, 2006 1:36 pm Reply with quote
Chb
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Posts: 206
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Lolmao, this is not a script. It's a advisory. Wink Just read it.

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PostPosted: Tue Jul 04, 2006 2:41 pm Reply with quote
superninja
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whats http://[victim]/[mkportaldir]/includes/pm_popup.php?u1=[XSS]&m1=[XSS]&m2=[XSS]&m3=[XSS]&m4=[XSS]

also

http://[victim]/[mkportaldir]/index.php?ind=[SQL]


what must i put there (the bold words)?[/b]
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PostPosted: Tue Jul 04, 2006 3:52 pm Reply with quote
Chb
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superninja wrote:
whats http://[victim]/[mkportaldir]/includes/pm_popup.php?u1=[XSS]&m1=[XSS]&m2=[XSS]&m3=[XSS]&m4=[XSS]

Victim: Take a look into a directory... You got to put your victim there.
mkportaldir: mkportal directory path...
XSS: Your Cross Site Scripting.

Quote:
http://[victim]/[mkportaldir]/index.php?ind=[SQL]

SQL: A SQL-Query for SQL-injection.

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PostPosted: Tue Jul 04, 2006 8:15 pm Reply with quote
superninja
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Chb wrote:
superninja wrote:
whats http://[victim]/[mkportaldir]/includes/pm_popup.php?u1=[XSS]&m1=[XSS]&m2=[XSS]&m3=[XSS]&m4=[XSS]

Victim: Take a look into a directory... You got to put your victim there.
mkportaldir: mkportal directory path...
XSS: Your Cross Site Scripting.

Quote:
http://[victim]/[mkportaldir]/index.php?ind=[SQL]

SQL: A SQL-Query for SQL-injection.

mkportaldir is /forum /phpbb or /forums??

also

XSS i where is XSS?
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PostPosted: Tue Jul 04, 2006 11:29 pm Reply with quote
waraxe
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Joined: May 11, 2004
Posts: 2407
Location: Estonia, Tartu




XSS:

http://www.cgisecurity.com/articles/xss-faq.shtml
http://en.wikipedia.org/wiki/XSS

Sql Injection:

http://en.wikipedia.org/wiki/Sql_injection
http://www.cgisecurity.com/questions/sql.shtml
http://www.google.com/search?hl=en&q=sql+injection
http://www.spidynamics.com/whitepapers/WhitepaperSQLInjection.pdf

And this:

http://www.google.com/search?hl=en&lr=&q=sql+injection+vbulletin+example
http://lists.grok.org.uk/pipermail/full-disclosure/2006-April/045370.html
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PostPosted: Sat Jul 08, 2006 7:12 am Reply with quote
cheaparse
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Joined: Jun 27, 2006
Posts: 2




ahh this is great, but does anyone have any other exploits / advisories for vbulletin 3.5.4 WITHOUT mkportal?

what if you're on a board where they have to verify your sign ups? so that means that you sign up, and you can log into your profile, but you CANNOT send private messages or post any messages (there goes XSS out the window)?

As for the impex exploit, it is there, but you get error messages when you try for file inclusion (this includes from all 3 impex files). i don't understand why.. i tried it for another 3.5.4 and it was successful.. but that was very rare


P.S. all i want to do is make my account active.. if you know any workarounds for vb 3.5.4 let me (and others if you don't mind) know Smile
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PostPosted: Sat Jul 08, 2006 11:32 pm Reply with quote
superninja
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Posts: 38




Whats MKportal i know whats XSS already now i learned something but what's mkportal ? Smile

And someone give me some XSS text Smile
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vBulletin <= 3.5.4 with MKPortal 1.1 Remote SQL Injection
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