Facebook Profile Sticker - SQL Injection Vulnerability

Type vulnerlab
Reporter Vulnerability Research Laboratory - N/A Anonymous
Modified 2012-02-02T00:00:00


                                            Document Title:
Facebook Profile Sticker - SQL Injection Vulnerability

References (Source):

Release Date:

Vulnerability Laboratory ID (VL-ID):

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 Profile Sticker Development Team.

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

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 Profile Sticker (apps.facebook.com).

Vulnerability Disclosure Timeline:
2012-02-03:	Public or Non-Public Disclosure

Discovery Status:

Exploitation Technique:

Severity Level:

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

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

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

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

--- SQL Error Logs ---
Fatal error: Uncaught exception  DbQueryFailure  with message  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  -9 , 9  at line 1 SELECT * FROM stickers 
where active = 1 and user > 0 order by times_added desc limit -9 , 9  in /var/www/html/profilestickers/lib/classes/Db.php:47 
Stack trace: #0 /var/www/html/profilestickers/ajax_scripts/get_stickers.php(69): Db->query( SELECT * FROM s... ) #1 
/var/www/html/profilestickers/index.php(297): include_once( /var/www/html/p... ) #2 {main} thrown in /var/www/html
/profilestickers/lib/classes/Db.php on line 47

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

URL:	http://apps.facebook.com/
Path:	/myprofilestickers/
File:	index.php

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


Security Risk:
The security risk of the application sql injection vulnerability is estimated as high.

Credits & Authors:
Vulnerability Research Laboratory -  N/A  Anonymous

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