Document Title:
===============
Facebook Game Store - SQL Injection Vulnerability


References (Source):
====================
http://www.vulnerability-lab.com/get_content.php?id=408


Release Date:
=============
2012-02-03


Vulnerability Laboratory ID (VL-ID):
====================================
408


Product & Service Introduction:
===============================
The application is currently included and viewable by all facebook users.
The service is an external 3rd party application sponsored by the Facebook Game Store Development Team.

(Copy from the Vendors Homepage: http://apps.facebook.com/game_store/)

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 Advisory Information:
==============================
Vulnerability-Lab researcher discovered a remote SQL Injection vulnerability on the 3rd party web
application - Facebook Game Store (apps.facebook.com).


Vulnerability Disclosure Timeline:
==================================
2012-02-02:	Vendor Notification
2012-02-02:	Developer Notification
2012-02-04:	Public or Non-Public Disclosure


Discovery Status:
=================
Published


Exploitation Technique:
=======================
Remote


Severity Level:
===============
High


Technical Details & Description:
================================
A remote SQL Injection vulnerability is detected on the Facebook Game Store application (apps.facebook).
The vulnerability allows an attacker (remote) to inject/execute own sql statements on the affected fb application dbms.

Vulnerable Module(s): 
			                            [+] Game Store - Facebook 3rd Party Application

Vulnerable Param(s)/File(s): 
			                            [+] game_detail.php 


Affected Application: 
			                            [+] apps.facebook.com/game_store/


--- SQL Error Logs --- Heading Tabs
Facebook User  06 December 11 04:41:pm
user: test
--
You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for 
the right syntax to use near / at line 1
	
		
Picture(s):
						../1.png


Proof of Concept (PoC):
=======================
The vulnerability can be exploited by remote attackers. For demonstration or reproduce ...

URL:	http://apps.facebook.com/
Path:	/game_store/
File:	game_detail.php


Example:
http://[APP-SERVER]/[SERVICE-APP]/[FILE].[PHP]?=[SQL Injection]


PoC:
http://apps.facebook.com/game_store/game_detail.php?gameid=13959[SQL-Injection]&Act=en[SQL-Injection]


Security Risk:
==============
The security risk of the application sql injection vulnerabilities are estimated as high(+).


Credits & Authors:
==================
Vulnerability Research Laboratory - Benjamin Kunz Mejri (Rem0ve)


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=========================
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