Title:
======
Facebook My Phrase Box - SQL Injection Vulnerability
Date:
=====
2011-10-16
VL-ID:
=====
288
Introduction:
=============
The application is currently included and viewable by all facebook users.
The service is an external 3rd party application sponsored by the My Phrase Box.
(Copy from the Vendors Homepage: http://apps.facebook.com/my_phr_box/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 - My Phrase Box (apps.facebook.com).
Report-Timeline:
================
2011-09-01: Vendor Notification
2011-09-07: Vendor Response/Feedback
2011-**-**: Vendor Fix/Patch
2011-10-16: Public or Non-Public Disclosure
Status:
========
Published
Affected Products:
==================
Exploitation-Technique:
=======================
Remote
Severity:
=========
High
Details:
========
A SQL Injection vulnerability is detected on the My Phrase Box facebook application (apps.facebook).
The vulnerability allows an attacker (remote) to inject/execute own sql statements on the affected fb application dbms.
Successful exploitation of the vulnerability can result in compromise of the affected application dbms.
Vulnerable Module(s):
[+] My Phrase Box - Facebook 3rd Party Application
Vulnerable Param(s):
[+] ?show_dialog= & app_id=
Affected Application(s):
[+] http://apps.facebook.com/my_phr_box/
--- SQL Logs ---
5.1.54-1ubuntu4-log: 11
---
Pictures:
../1.png
Proof of Concept:
=================
The vulnerability can be exploited be remote attackers. For demonstration or reproduce ...
URL: apps.facebook.com/my_phr_box/
Path: /my_phr_box/
File: app.php
Param: ?show_dialog= & app_id=
Example:
http://[APP-SERVER]/[SERVICE-APP]/[FILE].[PHP]?show_dialog=[x]&app_id= [x]
PoC:
MPB SQL Injection PoC