Document Title:
===============
CodeLock Encrypter v2.7 - Multiple Web Vulnerabilities



Release Date:
=============
2011-08-04


Vulnerability Laboratory ID (VL-ID):
====================================
102


Product & Service Introduction:
===============================
The PHP/HTML Encryptor & The Codelock Engine script. This option is for PHP / HTML Programmers or webmasters 
who want to encrypt their own files before distribution with Extra Strong Security and more options. The Joomla
Plugin is based on the PHP,SQL Application and can be integrated easily.

(Copy of the Vendor Homepage: http://www.codelock.co.nz/)


Abstract Advisory Information:
==============================
An anonymous laboratory researcher discovered multiple web vulnerabilities on CodeLock V2.7 web application.



Vulnerability Disclosure Timeline:
==================================
2011-08-05:	Public or Non-Public Disclosure


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


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

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


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


Technical Details & Description:
================================
1.1
A file upload vulnerability is detected on CodeLock v2.x. The service folders to encrypt is running in CHMOD 777 & 2777.
This misconfiguration allows an attacker to upload a webshell to the encryption folder. 

Vulnerable Module(s):

				                                 [+] HTML Encrypter - codelock_gohtml.php

1.2
2 persistent input validation vulnerabilities are detected on CodeLock v2.x. the vulnerability allows an attacker to 
inject own persistent script code to the web application interface of CodeLock.
			
Vulnerable Module(s):

				                   [+] PHP Encrypter - index.php
				                   [+] PHP Encrypter - codelock_goenc.php

Pictures: 
                                                    ../codelock-script-injection.png
                                                    ../codelock-rce.png


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

1.1
No PoC required for webshell uploads!


1.2
Include any script -code (js,html) on the vulnerable module to reproduce the vulnerability manually.

Module: 	                   PHP Encrypter
File:		           index.php
Information:	   Right-click alert message: & Decryptor filename:


Module:                     PHP Encrypter
File:                           codelock_goenc.php 
Information:          License to (Name):,  Specify your file here:   &  Script Name:


Security Risk:
==============
The security risk of the file upload vulnerability is estimated as high.
The security risk of the persistent validation vulnerabilities are estimated as medium.


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


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=========================
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