Facebook NYClubs Cross Site Scripting / SQL Injection

`Title:  
======  
Facebook NYClubs - Multiple Web Vulnerabilities  
  
  
Date:  
=====  
2012-02-17  
  
  
References:  
===========  
http://www.vulnerability-lab.com/get_content.php?id=440  
  
  
VL-ID:  
=====  
440  
  
  
Introduction:  
=============  
The application is currently included and viewable by all facebook users.  
The service is an external 3rd party application sponsored by the Facebook NYClubs Development Team.  
  
(Copy from the Vendors Homepage: http://apps.facebook.com/nyclubs/)  
  
Facebook is a social networking service and website launched in February 2004, operated and privately owned   
by Facebook, Inc. As of July 2011, Facebook has more than 750 million active users. Users may create   
a personal profile, add other users as friends, and exchange messages, including automatic notifications when   
they update their profile. Facebook users must register before using the site. Additionally, users may join   
common-interest user groups, organized by workplace, school or college, or other characteristics.   
  
(Copy of the Vendor Website: http://en.wikipedia.org/wiki/Facebook)  
  
  
Abstract:  
=========  
Vulnerability-Lab researcher discovered multiple web vulnerabilities on the 3rd party web application - Facebook NYClubs (apps.facebook.com).  
  
  
Report-Timeline:  
================  
2012-02-15: Vendor Notification  
2012-02-16: Vendor Response/Feedback  
2012-02-16: Developer Notification by Facebook Security  
2012-02-17: Public or Non-Public Disclosure  
  
  
Status:  
========  
Published  
  
  
Exploitation-Technique:  
=======================  
Remote  
  
  
Severity:  
=========  
High  
  
  
Details:  
========  
1.1  
A remote SQL Injection Vulnerability is detected on the Facebook NYClubs application (apps.facebook).  
The vulnerability allows an attacker (remote) to inject/execute own sql statements on the affected fb application dbms.  
Successful exploitation can result in a stable application, service or dbms compromise.  
  
Vulnerable Application(s):   
[+] NYClubs - Facebook 3rd Party Application  
  
Vulnerable Module(s):   
[+] Messagebox  
  
  
Affected Service(s):   
[+] apps.facebook.com/nyclubs/  
  
  
--- Exception/Error Logs ---  
INSERT INTO reviews (club_id, ip, name, fbid, location, email, rating, content, active, approved) VALUES (652,`121.112.203.222 `   
Sven R-m,100001940496405,`[email protected]`,10,`>` iiiiiiiii-(Rated 9/10)  
  
Picture(s):  
../1.png  
  
  
  
1.2  
A client side Cross Site Scripting Vulnerability is detected on the Facebook NYClubs application (apps.facebook).  
The vulnerability allows an attacker (remote) to hijack sessions & manipulate client-side application requests with   
high required user inter action.  
  
Vulnerable Module(s):   
[+] ?r=sregion&d=  
  
  
Picture(s):  
../2.png  
  
  
Proof of Concept:  
=================  
The vulnerabilities can be exploited with & without high required user inter action. For demonstration or   
  
reproduce ...  
  
1.1  
Vulnerable: [MessageBox Input] ---> Include a frame to the local app website & extract the error log  
  
Tables: club_id, ip, name, fbid, location, email, rating, content, active, approved  
IP: 121.112.203.222  
NAME: Sven R-m  
Mail: [email protected]  
Limit: 10--  
Type: Order by Injection  
  
  
Reference(s):  
../652.htm  
  
  
1.2  
http://apps.facebook.com/nyclubs/?r=sregion&d=%3Ciframe%20src=http://vulnerability-lab.com  
  
%20width=750%20height=700%3E  
  
  
Reference(s):  
../NYClubs on Facebook.htm  
  
  
Risk:  
=====  
The security risk of the application sql injection vulnerability is estimated as high(+).  
  
  
Credits:  
========  
Vulnerability Research Laboratory - N/A Anonymous  
  
  
Disclaimer:  
===========  
The information provided in this advisory is provided as it is without any warranty. Vulnerability-Lab disclaims all warranties,   
either expressed or implied, including the warranties of merchantability and capability for a particular purpose. Vulnerability-  
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may not apply. Any modified copy or reproduction, including partially usages, of this file requires authorization from Vulnerability-  
Lab. Permission to electronically redistribute this alert in its unmodified form is granted. All other rights, including the use of   
other media, are reserved by Vulnerability-Lab or its suppliers.  
  
Copyright © 2012|Vulnerability-Lab  
  
  
  
  
--   
Website: www.vulnerability-lab.com ; vuln-lab.com or vuln-db.com  
Contact: [email protected] or [email protected]  
  
`