=============================================================================== CSRF to add admin user Vulnerability In Manage Engine Device Expert =============================================================================== . contents:: Table Of Content Overview ======== * Title : CSRF to add admin user Vulnerability In Manage Engine Device Expert * Author: Kaustubh G. Padwad * Plugin Homepage: http://www.manageengine.com/products/device-expert/ * Severity: HIGH * Version Affected: Version 5.9.9.0 Build: 5990 * Version Tested : Version 5.9.9.0 Build: 5990 * version patched: Separate Patch release for all version Description =========== About the Product ================= DeviceExpert is a web–based, multi vendor network change, configuration and compliance management (NCCCM) solution for switches, routers, firewalls and other network devices. Trusted by thousands of network administrators around the world, DeviceExpert helps automate and take total control of the entire life cycle of device configuration management. Vulnerable Parameter -------------------- Create user form About Vulnerability ------------------- This Cross-Site Request Forgery vulnerability enables an anonymous attacker to add an admin account into the application. This leads to compromising the whole domain as the application normally uses privileged domain account to perform administration tasks. Vulnerability Class =================== Cross Site Request Forgery (https://www.owasp.org/index.php/Cross-Site_Request_Forgery_%28CSRF%29) Cross Site Scripting (https://www.owasp.org/index.php/Top_10_2013-A3-Cross-Site_Scripting_(XSS) Steps to Reproduce: (POC) ========================= * Add follwing code to webserver and send that malicious link to application Admin. * The admin should be loggedin when he clicks on the link. * Soical enginering might help here For Example :- Device password has been changed click here to reset ####################CSRF COde#######################
value="This device group contains all the devices present in the inventory" />
Mitigation ========== Receved from manage engine team https://uploads.zohocorp.com/Internal_Useruploads/dnd/NetFlow_Analyzer/o_19ga51p951gblpbs1rkrm211vim1/vulnerabilities_Fix.zip Open DeviceExper.zip 1. Stop the Device Expert service. 2. Please replace AdvNCM.jar under DeviceExpert_Home/lib with the one under DeviceExpert.zip/AdvNCM.jar 3. Start the Device Expert service Change Log ========== Disclosure ========== 11-February-2015 Reported to Developer 13-February-2015 Acknodlagement from Developer 13-March-2015 Fixed by developer 16-March-2015 Requested a cve ID 21-March-2015 Public Disclosed credits ======= * Kaustubh Padwad * Information Security Researcher * kingkaustubh@me.com * https://twitter.com/s3curityb3ast * http://breakthesec.com * https://www.linkedin.com/in/kaustubhpadwad