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[FD] Cyberoam iview UTM v0.1.2.7 - (Ajax) XSS Web Vulnerability
- To: fulldisclosure@xxxxxxxxxxxx
- Subject: [FD] Cyberoam iview UTM v0.1.2.7 - (Ajax) XSS Web Vulnerability
- From: Vulnerability Lab <research@xxxxxxxxxxxxxxxxxxxxx>
- Date: Wed, 5 Oct 2016 12:52:03 +0200
Document Title:
===============
Cyberoam iview UTM v0.1.2.7 - (Ajax) XSS Web Vulnerability
References (Source):
====================
http://www.vulnerability-lab.com/get_content.php?id=1850
Release Date:
=============
2016-10-04
Vulnerability Laboratory ID (VL-ID):
====================================
1850
Common Vulnerability Scoring System:
====================================
3.3
Product & Service Introduction:
===============================
Enterprises and MSSPs need a solution that gives them visibility into network
activities and security posture from a single location. Cyberoam iView
offers centralized logging and reporting of network and user activity over
multiple devices across distributed locations for security events. It offers
logs and reports of Cyberoam network security appliances, along with other UTMs
and NGFW appliances, routers and switches.
(Copy of the Vendor Homepage: https://www.cyberoam.com/cyberoamiview.html )
Abstract Advisory Information:
==============================
The vulnerability laboratory core research team discovered a client-side cross
site vulnerability in the official iview Cyberoam utm v0.1.2.7 appliance
web-application.
Vulnerability Disclosure Timeline:
==================================
2016-05-24: Researcher Notification & Coordination (Lawrence Amer -
Vulnerability Laboratory)
2016-05-25: Vendor Notification (Cyberoam Security Team)
2016-09-20: Vendor Fix/Patch (Cyberoam Security Team)
2016-10-01: Acknowledgement & Bug Bounty (Cyberoam iview Developer Team)
2016-10-04: Public Disclosure (Vulnerability Laboratory)
Discovery Status:
=================
Published
Affected Product(s):
====================
Sophos
Product: iview Cyberoam - Appliance (Web-Application) 0.1.2.7
Exploitation Technique:
=======================
Remote
Severity Level:
===============
Medium
Technical Details & Description:
================================
A client side cross site scripting web vulnerability has been discovered in the
official iview Cyberoam utm v0.1.2.7 appliance web-application.
The client-side web vulnerability allows remote attackers to inject own
malicious script codes to client-side browser to application requests.
The vulnerability is located in the module `Dashboards - Custom Dashboard -
Critria`. Remote attackers and low privileged web-application user
accounts are able to inject own malicious script code context in the search
input for parameters [username,sourcehost,emailaddr sender,
emailaddr recipent). The data of the POST method request in the Body is
bypassing the input validation and executes without a secure encode.
The request runs through the data type "json".
The security risk of the client-side cross site vulnerability is estimated as
medium with a cvss (common vulnerability scoring system) count of 3.3.
Exploitation of the non-persistent input validation vulnerability requires no
privileged web-application user account or a low privileged web-application
user account and low user interaction. Successful exploitation of the
vulnerability results in session hijacking, non-persistent phishing attacks,
non-persistent external redirects to malicious source and non-persistent
manipulation of affected or connected application modules.
Request Method(s)
[+] POST - [json]
Vulnerable Module(s):
[+] AjaxController
[+] Dashboard - Custom Dashboard - Critria
Vulnerable Parameter(s):
[+] username
[+] sourcehost
[+] emailaddr sender
[+] emailaddr recipent
Proof of Concept (PoC):
=======================
The client-side web vulnerability can be exploited by remote attackers or low
privileged web-application user accounts with low user interaction.
For security demonstration or to reproduce the vulnerability follow the
provided information and steps below to continue.
Manual steps to reproduce the vulnerability ...
1. Open the iview url localhost:8080/iview
2. After that, use the critria search in the following module
Note: Dashboards - Custom Dashboard - (critria input)
3. Type in the search input field a java script payload
4. Successful reproduce of the vulnerability!
--- PoC Session Logs [POST] ---
https://iviewdemo.localhost:8080/AjaxController
action: 2
json:
{"width":1146,"height":320,"isSort":false,"viewAll":true,"table":"on","Graph":"on","graphLimit":10,
"groupQuery":false,"originReportGroup":-1,"returnReportID":-1,"detailReport":-1,"detailReportView":false,
"type":"G","filter":{"recordPerPage":5,"currentPage":1,"startDate":"2016-05-21
00:00:00","endDate":
"2016-05-21
23:59:59","criteria":[],"reportCriteria":[],"limit":10000,"offset":0,"sort":{},"deviceCategory":
"device","appliancelist":["1","2","3","4"]},"id":1001,"index":0,"reportGroupid":1001}
-
POST https://iviewdemo.localhost:8080/AjaxController
Accept: application/xml, text/xml, */*; q=0.01
Origin: chrome-extension://kajfghlhfkcocafkcjlajldicbikpgnp
X-Requested-With: XMLHttpRequest
User-Agent: Mozilla/5.0 (X11; Linux i686) AppleWebKit/537.36 (KHTML, like
Gecko) Chrome/37.0.2062.120 Safari/537.36
Cookie: JSESSIONID=AFCE7A3B7D53F363842FE2459D7EF444.ivwtomcat
-
HTTP/1.1 200 OK
Server: Apache
Connection: Keep-Alive
Content-Type: text/xml;charset=UTF-8
Reference(s):
https://iviewdemo.localhost:8080/
https://iviewdemo.localhost:8080/AjaxController
Solution - Fix & Patch:
=======================
The vulnerability can be patched by a secure parse and encode of the vulnerable
input field context.
Encode all inputs and restrict the input by disallowing the usage of special
chars.
Parse also the outgoing values for the user notification by the appliance
service itself to prevent malicious attack scenarios.
Security Risk:
==============
The security risk of the client-side cross site scripting web vulnerability in
the cyberoam iview application is estimated as medium. (CVSS 3.3)
Credits & Authors:
==================
Vulnerability Laboratory [Core Research Team] - Lawrence Amer -
[http://www.vulnerability-lab.com/show.php?user=Lawrence%20Amer]
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=========================
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