[Full-disclosure] Wordpress Facebook Survey v1.0 - SQL Injection Vulnerability

[Vulnerability Lab <admin@xxxxxxxxxxxxxxxxxxxxx>]

Title:
======
Wordpress Facebook Survey v1 - SQL Injection Vulnerability


Date:
=====
2012-11-18


References:
===========
http://www.vulnerability-lab.com/get_content.php?id=766


VL-ID:
=====
766


Common Vulnerability Scoring System:
====================================
8.5


Introduction:
=============
Wordpress Facebook Survey Pro is an easy to install & use Wordpress plugin. Get 
started right away,
and set up as many timeline optin pages as you want. This plugin gets to the 
point, and makes it so 
you get the BEST answers from your FB fans. You can add a custom success page 
so you can offer 
incentives for your fans to complete the survey. It`s the BEST way to get 
feedback!

(Copy of the Vendor Homepage: http://fbsurveypro.com/ )


Abstract:
=========
The Vulnerability Laboratory Research Team discovered a critical remote SQL 
Injection vulnerability in the Wordpress Facebook Survey Pro Plugin.


Report-Timeline:
================
2012-11-18:     Public Disclosure


Status:
========
Published


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


Severity:
=========
Critical


Details:
========
A blind SQL Injection vulnerability is detected in the commercial Wordpress 
Facebook Survey Pro Plugin.
The vulnerability allows an attacker (remote) or local low privileged user 
account to execute a SQL 
commands on the affected application dbms. The blind sql injection 
vulnerability is located in index.php 
file (timeline module) with the bound vulnerable id parameter. Successful 
exploitation of the vulnerability 
results in dbms & application compromise. Exploitation requires no user 
interaction & without privileged 
application user account.

Vulnerable Module(s):
                                [+] timeline/

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

Vulnerable Parameter(s):
                                [+] id


Proof of Concept:
=================
The SQL injection vulnerability can be exploited by remote attackers without 
privileged application user accounr and without 
required user inter action. For demonstration or reproduce ...

PoC:
http://[SERVER]/[WORDPRESS]/wp-content/plugins/plugin-dir/timeline/index.php?id=1'-1
 union select 1,2,3,4,5[SQL-Injection]--


Solution:
=========
Filter the id input, or use the intval() php function to make sure the input is 
an integer.


Risk:
=====
The security risk of the remote blind sql injection vulnerability is estimated 
as critical.


Credits:
========
Vulnerability Laboratory [Research Team] - Chokri B.A. 
(meister@xxxxxxxxxxxxxxxxxxxxx)


Disclaimer:
===========
The information provided in this advisory is provided as it is without any 
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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. We do not approve or encourage anybody to break any vendor 
licenses, policies, deface websites, hack into databases 
or trade with fraud/stolen material.

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                                        Copyright © 2012 | Vulnerability 
Laboratory



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