ZeroBox Vulnerability Database

Title:
======
Facebook Luchitas - Multiple SQL Injection Vulnerabilities


Date:
=====
2011-10-20


References:
===========
http://www.vulnerability-lab.com/get_content.php?id=273


VL-ID:
=====
273


Introduction:
=============
The application is currently included and viewable by all facebook users.
The service is an external 3rd party application sponsored by the Luchitas Community.

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

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 a remote SQL Injection vulnerability on the 3rd party web application - Luchitas (apps.facebook.com).


Report-Timeline:
================
2011-09-13:	Vendor Notification
2011-09-15:	Vendor Response/Feedback
2011-**-**:	Vendor Fix/Patch
2011-10-20:	Public or Non-Public Disclosure


Status:
========
Published


Affected Products:
==================

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


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


Details:
========
Multiple SQL Injection vulnerabilities are detected on the Luchitas facebook application (apps.facebook).
The vulnerability allows  an attacker (remote) to inject/execute own sql statements on the affected fb application dbms.

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

Vulnerable Param(s)/File(s): 
			                           [+] received.php ; sent.php ; invite.php

Affected Application: 
			                           [+] http://apps.facebook.com/luchitas/


--- SQL Error Logs ---
Invalid query -- SELECT * FROM `gifts` WHERE `giftto` = -- 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 -x` at line 1
---
Invalid query -- SELECT * FROM `gifts` WHERE `giftfrom` = -- 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 -x` at line 1

			
Pictures:
						../1.png


Solution:
=========
Use the prepared statement class to fix the sql injection vulnerability & filter sql error requests.
Set error(0) to prevent against information disclosure via exceptions or error reports.


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


Credits:
========
Vulnerability Research Laboratory - Chokri B.A. (Me!ster)  &  Benjamin Kunz Mejri (Rem0ve)


Disclaimer:
===========
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either expressed or implied, including the warranties of merchantability and capability for a particular purpose. Vulnerability-
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