sNews v1.7.1 - File Upload Vulnerability

Document Title:
===============
sNews v1.7.1 - File Upload Vulnerability



Release Date:
=============
2011-07-11


Vulnerability Laboratory ID (VL-ID):
====================================
142


Product & Service Introduction:
===============================
sNews is a completely free, standards compliant, PHP and MySQL driven Content Management System. 
sNews is extremely lightweight, simple and customizable. It\'s easy to install, and easy to use via a simple web interface. 
sNews consists of only one core engine file, one independent template file and its accompanying CSS stylesheet file, 
plus an .htaccess file that makes all URLs search engine friendly.

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


Abstract Advisory Information:
==============================
Vulnerability-Lab Team discovered a File Upload Vulnerability on sNews CMS v1.7.1


Vulnerability Disclosure Timeline:
==================================
2011-00-00:	Vendor Notification
2011-00-00:	Vendor Response/Feedback
2011-00-00:	Vendor Fix/Patch
2011-00-00:	Public or Non-Public Disclosure


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


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

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


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


Technical Details & Description:
================================
File Inclusion Vulnerability is detected on sNews CMS. Local & remote attackers can bypass the upload restriction 
to compromise the affected application system.

Vulnerable Module(s):
			                        [+] sNews Files


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

Path:		/snews/
Para:		?action=snews_files&task=delete&folder=.&file=

Reference Example:
http://[SERVER].com/[APP-PATH]/[DATA]?action=snews_files&task=delete&folder=.&file=[FILE 2 LOAD]


Security Risk:
==============
The security risk of the file upload vulnerability is estimated as high.


Credits & Authors:
==================
Vulnerability Research Laboratory


Disclaimer & Information:
=========================
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may not apply. We do not approve or encourage anybody to break any vendor licenses, policies, deface websites, hack into databases 
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