Document Title:
===============
Nusiorung CMS 2016 - (Login) Auth Bypass Vulnerability


References (Source):
====================
http://www.vulnerability-lab.com/get_content.php?id=1875


Release Date:
=============
2016-07-13


Vulnerability Laboratory ID (VL-ID):
====================================
1875


Common Vulnerability Scoring System:
====================================
7.6


Abstract Advisory Information:
==============================
An independent vulnerability laboratory researcher discovered a login auth bypass web vulnerability in the official Nusiorung CMS 2016.


Vulnerability Disclosure Timeline:
==================================
2016-07-13:  Public Disclosure (Vulnerability Laboratory)


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


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


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


Technical Details & Description:
================================
An auth bypass web vulnerability has been discovered in the official Nusiorung content management system 2016.
The vulnerability allows remote attackers to bypass the authentication mechanism of the web-application to compromise.

The vulnerability is located in the username and password input fields of the admin login module. Remote attackers 
are able to perform malicious POST method requests to unauthorized login to the administrator panel. The vulnerability 
is a classic login auth bypass issue. The attack vector is located to the application-side and the request method to 
inject is POST.

The security risk of the auth bypass web vulnerability is estimated as high with a cvss (common vulnerability scoring system) count of 7.6.
Exploitation of the remote auth bypass web vulnerability requires no user interaction or privileged web-application user account.
Successful exploitation of the remote vulnerability results in database management system, account system or web-application compromise.

Request Method(s):
        [+] POST

Vulnerable Module(s):
        [+] Login

Vulnerable Parameter(s):
        [+] Gebruikersnaam(username) and Wachtwoord(Password)


Proof of Concept (PoC):
=======================
The auth bypass web vulnerability can be exploited by remote attackers without user interaction or privileged user account.
For security demonstration or to reproduce the vulnerability follow the provided information and steps below to continue.

Google Dork(s):  intext:"Powered By nusiorung"

PoC: Exploitation
Username: '=' 'OR'
Password: '=' 'OR'

PoC: URL
http://localhost:8000/[PATH]/admin/index.php


Security Risk:
==============
The security risk of the auth bypass web vulnerability in the web-application login module is estimated as high. (CVSS 7.6)


Credits & Authors:
==================
mr_mask_black - [http://www.vulnerability-lab.com/show.php?user=mr_mask_black]


Disclaimer & Information:
=========================
The information provided in this advisory is provided as it is without any warranty. Vulnerability Lab disclaims all warranties, 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 licenses, policies, deface websites, hack into databases or trade with stolen data.

Domains:    www.vulnerability-lab.com     - www.vuln-lab.com             - www.evolution-sec.com
Contact:    admin@vulnerability-lab.com   - research@vulnerability-lab.com         - admin@evolution-sec.com
Section:    magazine.vulnerability-lab.com   - vulnerability-lab.com/contact.php         - evolution-sec.com/contact
Social:      twitter.com/vuln_lab    - facebook.com/VulnerabilityLab         - youtube.com/user/vulnerability0lab
Feeds:      vulnerability-lab.com/rss/rss.php   - vulnerability-lab.com/rss/rss_upcoming.php       - vulnerability-lab.com/rss/rss_news.php
Programs:   vulnerability-lab.com/submit.php   - vulnerability-lab.com/list-of-bug-bounty-programs.php   - vulnerability-lab.com/register.php

Any modified copy or reproduction, including partially usages, of this file requires authorization from Vulnerability Laboratory. Permission to electronically 
redistribute this alert in its unmodified form is granted. All other rights, including the use of other media, are reserved by Vulnerability-Lab Research Team or 
its suppliers. All pictures, texts, advisories, source code, videos and other information on this website is trademark of vulnerability-lab team & the specific 
authors or managers. To record, list, modify, use or edit our material contact (admin@ or research@vulnerability-lab.com) to get a ask permission.

            Copyright A(c) 2016 | Vulnerability Laboratory - [Evolution Security GmbH]aC/


-- 
VULNERABILITY LABORATORY - RESEARCH TEAM
SERVICE: www.vulnerability-lab.com