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Category:   Application (Forum/Board/Portal)  >   MKPortal Vendors:   mkportal.it
MKPortal Input Validation Holes Permit Cross-Site Scripting and SQL Injection Attacks
SecurityTracker Alert ID:  1015977
SecurityTracker URL:  http://securitytracker.com/id/1015977
CVE Reference:   CVE-2006-2066, CVE-2006-2067   (Links to External Site)
Updated:  Dec 14 2009
Original Entry Date:  Apr 22 2006
Impact:   Disclosure of authentication information, Disclosure of system information, Disclosure of user information, Execution of arbitrary code via network, Modification of user information, User access via network
Exploit Included:  Yes  
Version(s): 1.1
Description:   A vulnerability was reported in MKPortal. A remote user can conduct cross-site scripting attacks. A remote user can inject SQL commands.

The 'include/VB/vb_board_functions.php' script does not properly validate user-supplied input in several parameters. A remote user can supply a specially crafted parameter value to execute SQL commands on the underlying database.

A demonstration exploit URL is provided:

http://[victim]/[mkportaldir]/index.php?ind=',userid='1

The 'includes/pm_popup.php' script does not properly filter HTML code from user-supplied input before displaying the input. A remote user can create a specially crafted URL that, when loaded by a target user, will cause arbitrary scripting code to be executed by the target user's browser. The code will originate from the site running the MKPortal software and will run in the security context of that site. As a result, the code will be able to access the target user's cookies (including authentication cookies), if any, associated with the site, access data recently submitted by the target user via web form to the site, or take actions on the site acting as the target user.

A demonstration exploit URL is provided:

http://[target]/[mkportaldir]/includes/pm_popup.php?u1=[XSS]&m1=[XSS]&m2=[XSS]&m3=[XSS]&m4=[XSS]

The vendor was notified on April 21, 2006.

A demonstration exploit is available at:

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

The original advisory is available at:

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

Mustafa Can Bjorn "nukedx a.k.a nuker" IPEKCI reported this vulnerability.

Impact:   A remote user can access the target user's cookies (including authentication cookies), if any, associated with the site running the MKPortal software, access data recently submitted by the target user via web form to the site, or take actions on the site acting as the target user.

A remote user can execute SQL commands on the underlying database.

Solution:   No solution was available at the time of this entry.
Vendor URL:  www.mkportal.it/ (Links to External Site)
Cause:   Input validation error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)

Message History:   None.


 Source Message Contents

Subject:  [Full-disclosure] vBulletin <= 3.5.4 with MKPortal 1.1 Remote SQL


--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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