full-disclosure - Facebook North Scottsdale Inventory - Remote SQL Injection Vulnerability

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Message-ID: <4E843BB0.7010808@vulnerability-lab.com>
Date: Thu, 29 Sep 2011 11:34:40 +0200
From: "research@...nerability-lab.com" <research@...nerability-lab.com>
To: full-disclosure@...ts.grok.org.uk
Subject: Facebook North Scottsdale Inventory - Remote SQL
	Injection Vulnerability

Title:
======
Facebook North Scottsdale Inventory - Remote SQL Injection Vulnerability

Date:
=====
2011-09-29

References:
===========
http://www.vulnerability-lab.com/get_content.php?id=272

VL-ID:
=====
272

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

(Copy of the Vendor Homepage: http://apps.facebook.com/scottsdaleinventory/share.php)

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 - North Scottsdale Inventory (apps.facebook.com).

Report-Timeline:
================
2011-09-17:	Vendor Notification
2011-09-18:	Vendor Response/Feedback
2011-00-00:	Vendor Fix/Patch
2011-09-29:	Public or Non-Public Disclosure

Status:
========
Published

Affected Products:
==================
North Scottsdale Inventory (Facebook Application) - 2011/Q3 

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

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

Details:
========
A SQL Injection vulnerability is detected on the North Scottsdale Inventory 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): 
			                           [+] North Scottsdale Inventory - Facebook 3rd Party Application

Vulnerable Param(s): 
			                           [+] ?fbid= &carid=

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

--- SQL Error Logs ---
Invalid query: 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 -1` *view* at line 1
---

Picture(s):
						../1.png

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

URL:	apps.facebook.com/scottsdaleinventory/
Path:	/scottsdaleinventory/
File:	share.php
Param:	?fbid=  &carid= 

Example:
http://[APP-SERVER]/[SERVICE-APP]/[FILE].[PHP]?fid=[x]&carid=[x]

PoC:
http://apps.facebook.com/scottsdaleinventory/share.php?fbid=-1%27&carid=-1%27

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 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-
Lab or its suppliers are not liable in any case of damage, including direct, indirect, incidental, consequential loss of business 
profits or special damages, even if Vulnerability-Lab or its suppliers have been advised of the possibility of such damages. Some 
states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation 
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 © 2011|Vulnerability-Lab

-- 
Website: www.vulnerability-lab.com ; vuln-lab.com or vuln-db.com
Contact: admin@...nerability-lab.com or support@...nerability-lab.com

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