appRain CMF v0.1.5 - Multiple Web Vulnerabilities

Document Title:
===============
appRain CMF v0.1.5 - Multiple Web Vulnerabilities


References (Source):
====================
http://www.vulnerability-lab.com/get_content.php?id=362


Release Date:
=============
2011-12-17


Vulnerability Laboratory ID (VL-ID):
====================================
362


Product & Service Introduction:
===============================
appRain is one of the first officially released Opensource Content Management Framework (CMF). 
CMF is a new web engineering concept where CMS (Content Management System) and Framework
perform together to produce endless varieties of output in a very limited time.

appRain, published with lots of extensive features to reduce our development work time. 
It satisfies both Client and Developers with a safe and quality output.

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


Abstract Advisory Information:
==============================
Vulnerability-Lab Team discovered multiple web vulnerabilities on the new appRain CMF v0.1.5 


Vulnerability Disclosure Timeline:
==================================
2011-11-19:	Vendor Notification
2011-11-13:	Vendor Response/Feedback
2011-12-18:	Public or Non-Public Disclosure


Discovery Status:
=================
Published


Affected Product(s):
====================

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


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


Technical Details & Description:
================================
Multiple web vulnerabilities are detected on the new appRain CMF v0.1.5.

1.1
A SQL Injection vulnerability is detected on the appRain CMF v0.1.5. The bug allows an remote attacker to inject/execute own sql 
statements over the vulnerable param request. Successful exploitation of the bug can lead to dbms & cms compromise.

Vulnerable Module(s):
				[+] Foroum (SQL Injection)
				

1.2
A non-persistent cross site scripting vulnerability is detected on appRain CMF v0.1.5. The vulnerability allows remote 
attackers to hijack skype customer sessions via cross site scripting. Successful exploitation of the client-side vulnerability 
can result in session hijacking & account steal (user/customer/moderator/administrator).

Vulnerable Module(s): 
				[+] Search  (Cross Site Scripting)


Proof of Concept (PoC):
=======================
The vulnerabilities can be exploited by remote attackers. For example or reproduce ...

1.1
http://www.xxx.com/quickstart/profile/-1%20union%20all%20select%201,2,3,@@version,@@datadir,6,7,8,9,10,11,12,13,14,15,16,17,18,19--

1.2
http://www.xxx.com/quickstart/search
POST: Inject anything script related into ss
<form method="post" action="http://www.xxx.com/quickstart/search">
<input type="text" name="ss" class="src-box" value="" />
<input type="submit" class="src-btn" value="Search" />
</form>


Solution - Fix & Patch:
=======================
1.1
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.

1.2
Parse the input fields and restrict characters like () > <   \\ /  etc to prevent against script inclusion.
Parse also the vulnerable output sections were the script code is getting executed out of the module context.


Security Risk:
==============
The security risk of the SQL injection is estimated as critical.
The security risk of the non-persistent cross site vulnerability is estimated as low(+) because of high required user inter action.


Credits & Authors:
==================
Vulnerability Research Laboratory - Pim Campers (X4lt)


Disclaimer & Information:
=========================
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