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 There were errors in the new zone which have been highlighted below. Please press the back button an try again! 
; 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
>\"
syntax error
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. ignoring out-of-zone data (.)
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
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 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 vendor licenses, policies, deface websites, hack into databases or trade with fraud/stolen material. Domains: www.vulnerability-lab.com - www.vuln-lab.com - www.vulnerability-lab.com/register Contact: admin@vulnerability-lab.com - support@vulnerability-lab.com - research@vulnerability-lab.com Section: video.vulnerability-lab.com - forum.vulnerability-lab.com - news.vulnerability-lab.com 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 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, sourcecode, videos and other information on this website is trademark of vulnerability-lab team & the specific authors or managers. To record, list (feed), modify, use or edit our material contact (admin@vulnerability-lab.com or support@vulnerability-lab.com) to get a permission. Copyright © 2012 | Vulnerability Laboratory