Document Title:
===============
SonicWall AntiSpam & EMail v7.x  - Multiple Vulnerabilities


References (Source):
====================
http://www.vulnerability-lab.com/get_content.php?id=58


Release Date:
=============
2012-01-07


Vulnerability Laboratory ID (VL-ID):
====================================
58


Product & Service Introduction:
===============================
Spam-, Phishing- und mit Viren infizierte Nachrichten verursachen in Unternehmen weltweit weiterhin große Schäden. 
Die Kosten, die durch Produktivitätseinbußen, gestohlene Benutzeridentitäten und den Missbrauch vertraulicher Daten 
entstehen, können astronomische Höhen erreichen.  SonicWALL® Email Security (SES)-Appliances, -Software und -Dienste 
stellen eine breite Palette an Anti Spam- und E Mail-Sicherheitslösungen bereit, die den Sicherheitsanforderungen von 
Einzelpersonen und von Unternehmen mit 100.000 Mitarbeitern gleichermaßen gerecht werden. SonicWALL sorgt dafür, dass 
Sie und Ihr Unternehmen E Mail sicher, produktiv und kosteneffizient nutzen können

(Copy of the Vendor Homepage: http://www.sonicwall.com/de/Email_Security.html)


Abstract Advisory Information:
==============================
Vulnerability-Lab Team discovered multiple Web Vulnerabilities on SonicWalls AntiSpam & EMail Security Appliance Application v7.x.


Vulnerability Disclosure Timeline:
==================================
2012-01-07:	Public or Non-Public Disclosure


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


Affected Product(s):
====================
DELL SonicWall
Product: AntiSpam & EMail Security Appliance Application 7.3.1 & older versions


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


Severity Level:
===============
High


Technical Details & Description:
================================
1.1
A persistent input validation vulnerability is detected on SonicWalls AntiSpam & EMail Security Appliance Application  v7.3.x.
Remote attackers or low privileged user accounts can manipulate specific application requests via persistent script code inject
& low required user inter action. Successful exploitation can result in session hijacking, persistent context manipulation, application-side  phishing.

Vulnerable Module(s):	
				                       [+] MGMTUser Delegate


1.2
A non-persistent input validation vulnerability is detected on SonicWalls AntiSpam & EMail Security Appliance Application.
Remote attackers can force via high required user inter action client-side requests to steal session data(cookies).

Vulnerable Module(s):	
				                       [+] MTA Queue Report

Picture(s):
				                       ../ive1.png

1.3
A redirection vulnerability is detected on SonicWalls AntiSpam & EMail Security Appliance Application.
The vulnerability allows an attacker to implement a malicious extern website into the panel website. The redirect is exploitable via direction value.

Vulnerable Module(s):	
				                       [+] User Mail View

Picture(s):
				                       ../redirect.png

Affected Version(s):
SonicWall AntiSpam & EMail Security Appliance Application - v7.3.x or v7.3.4.5725  &  older versions
Typus:  AntiSpam & EMail Security Appliance; Comphresive Box; Unified Threat Management Appliance


Proof of Concept (PoC):
=======================
This vulnerabilities can be exploited by local or remote attackers. For demonstration or reproduce ...

1.1
Code Review(mgmtuser_message.html): Input Validation Vulnerability (Persistent)
<tr valign="top">
<td valign="middle"> <input type="radio" name="dispositionJunk" value="tag" checked="checked" onclick="javascript:document.forms[0].prefixJunk.focus;">
</td><td valign="middle">Tag with <input type="text" name="prefixJunk" size="10" value=">"<iframe src=http://test.de>" 
onchange="javascript:document.forms[0].dispositionJunk[2].checked=true;"> added to the subject</td>
</tr></table><BR></td></tr><tr bgcolor="#FFFFFF"><td valign="top"><b>Action for messages marked as <font color="#990000">Likely Spam</font>:</b></td>
<td valign="top"><table width="100%" border="0" cellspacing="1" cellpadding="1"><tr><td width="15"> <input type="radio" name="dispositionMaybe" value="none">
</td><td>Likely Spam blocking off (deliver messages to recipients)</td></tr><tr><td> <input type="radio" name="dispositionMaybe" value="quarantine"></td>
<td>Store in Junk Box and delete after <b>45 days.</b></td></tr><tr>
<td> <input type="radio" name="dispositionMaybe" value="tag" checked="checked" onclick="javascript:document.forms[0].prefixMaybe.focus;">
</td><td>Tag with <input type="text" name="prefixMaybe" size="10" value=">"<iframe src=http://test.de>" 
onchange="javascript:document.forms[0].dispositionMaybe[2].checked=true;"> added to the subject</td></tr></table>


Reference(URL):
					http://xxx.xxx.com/mgmtuser_delegate.htm


1.2

BUG:	IVE - Non Persistent
URL:	http://demo.xxx.com/reports_mta_queue_status.html?hostname=greenland%22%3E%3C*

BUG:	IVE - Persistent
URL:	http://demo.xxx.com/mgmtuser_delegate.html*>

Reference(URL):
http://xxx.com/reports_mta_queue_status.html?hostname=greenland%22%3E%3C...


1.3
Code Review(msg_viewer_user_mail.html): Redirection Vulnerability

<form name="msgMessageStoreViewerForm" method="post" action="/msg_viewer_user_mail.html" id="msgMessageStoreViewerForm">
<input type="hidden" id="messageStoreID" name="messageStoreID" value="shard_20100321/1473108699/JUI"/>
<input type="hidden" id="direction" name="direction" value=">"<INCLUDE OWN SCRIPTCODE HERE!>/>
<input type="hidden" id="preview" name="preview" value="true"/>
<input type="hidden" id="command" name="command"/>
<input type="hidden" id="recipients" name="recipients"/>
<table width="100%" border="0" cellspacing="0" cellpadding="15">
<tr><td><span class="confirmation"></span><table width='100%' border='0' cellspacing='0' cellpadding='4'><tr><td>Processed by: greenland.cdpdemo.local


Reference(URL):
http://xxx.com/msg_viewer_user_mail.html?messageStoreId=shard_20100321/256665421/JUI&direction=


Solution - Fix & Patch:
=======================
1.1
Restrict the input fields via filter or mask & parse the input/output section to patch the persistent script code injection bug.

1.2
Parse the hostname value of the vulnerable module to fix the client side cross site scripting issue.


1.3
Restrict the direction request value to fix the redirection bug.


Security Risk:
==============
1.1
The security risk of the persistent script code inject vulnerability is estimated as high(-).

1.2
The security risk of the non-persistent vulnerabilities are estimated as medium(-).

1.3
The security risk of the redirection vulnerability is estimated as low(-).


Credits & Authors:
==================
Vulnerability Research Laboratory - Benjamin Kunz Mejri (Rem0ve)


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=========================
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