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elproLOG MONITOR WebAccess 2.1 - Multiple Web Vulnerabilities
From: Vulnerability Lab <research () vulnerability-lab com>
Date: Thu, 03 Oct 2013 02:29:45 +0200

Title:
======
elproLOG MONITOR WebAccess 2.1 - Multiple Vulnerabilities


Date:
=====
2013-09-24


References:
===========
http://www.vulnerability-lab.com/get_content.php?id=1086


VL-ID:
=====
1086


Common Vulnerability Scoring System:
====================================
6.7


Introduction:
=============
Web-based access to your monitoring data. elproLOG MONITOR WebAccess enables you to reliably access your data from any 
computer  
anywhere in the world. Regular it will be used in combination with a surveillance cam and dvr system too.

(Copy of the Vendor Homepage: 
http://www.elpro.com/en/products/software/product/elprolog-monitor-webaccess/pa/single/pc/product/ )


Abstract:
=========
The Vulnerability Laboratory Research Team discovered multiple vulnerabilities in the elproLOG MONITOR WebAccess v2.1 
web-application.


Report-Timeline:
================
2013-09-24:    Public Disclosure (Vulnerability Laboratory)


Status:
========
Published


Affected Products:
==================
ELPRO-BUCHS AG
Product: elproLOG MONITOR-WebAccess 2.1


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


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


Details:
========
1.1
A remote blind SQL Injection web vulnerability is detected in the ELPRO elproLOG MONITOR WebAccess v2.1 Web-Application.
The SQL Injection vulnerability allows an attacker (remote) to execute/inject own SQL commands in the vulnerable
web-application database management system. 

The sql injection vulnerability is located in the strend.php file. Remote attackers can inject own sql commands by 
attacking via http GET method request the affected id parameter of the vulnerable strend.php file.

Exploitation of the sql injection vulnerabilities requires no or a low privileged application user account and no user 
interaction. 
Successful exploitation of the vulnerability results in database management system & application compromise via remote 
sql injection.


Vulnerable Module(s):
                                        [+] Trends

Vulnerable File(s):
                                        [+] strend.php

Vulnerable Parameter(s):
                                        [+] id



1.2
A non persistent input validation vulnerability is detected in the elproLOG MONITOR WebAccess v2.1 Web-Application.
The bug allows remote attackers to force client side browser requests with manipulated web application context or 
cross site links.


The first cross site scripting web vulnerability is located in the sensorview.php module when processing to load 
a manipulated data parameter via GET. The attacker provokes the exception-handling to catch the invalid data error 
with the injected script code (client-side).

The secound cross site scripting web vulnerability is located in the strend.php module when processing to load 
a manipulated name parameter via GET. The attacker provokes the exception-handling to catch the invalid trend id 
error with the injected script code (client-side).

The vulnerability can be exploited by remote attackers without required application user account but with low or 
medium  required user interaction. Successful exploitation of the vulnerability results in client side session 
hijacking, 
account take-over, client side phishing, client side external redirects and client side manipulation of module context.


Vulnerable Module(s):
                                [+] sensorview
                                [+] trends

Vulnerable File(s):
                                [+] sensorview.php
                                [+] strend.php

Vulnerable Parameter(s):
                                [+] data
                                [+] name


Proof of Concept:
=================
1.1 - SQL Injection
The remote sql injection web vulnerability can be exploited by remote attackers without privileged application user 
account or 
user interaction. For demonstration or reproduce ...

PoC:
http://elpro.localhost:8080/elpro/strend.php?data=8331&id=1+1%27'[SQL INJECTION VULNERABILITY]--&name=1



1.2 - Client Side Cross Site Scripting
The client side cross site scripting web vulnerability can be exploited by remote attackers without privileged 
application user account or 
user interaction. For demonstration or reproduce ...


PoC:
http://elpro.localhost:8080/elpro-demo/sensorview.php?data=ECOLOG-NET%20Testing-1%27%3Ciframe%20src=http://vuln-lab.com%20onload=alert%28document.cookie%29%3C
Exception:      Group: ECOLOG-NET Testing->"<


PoC:
http://elpro.localhost:8080/elpro-demo/strend.php?data=8331&id=0&name=->"<%27%27%3Ciframe%20src=http://vuln-lab.com%20onload=alert%28document.cookie%29%3C
Exception:      Trend: Error ->"<


Solution:
=========
1.1
The sql injection web vulnerability can be patched by using a secure statement around the id parameter value 
implementation.
Encode and parse the input or setup an own new exception-handling to prevent future executions of sql commands.


1.2
Parse and encode the vulnerable data and name parameters to fix the client-side cross site scripting web vulnerability.
Ensure that the parameters are secure encoded in all different section of the application modules.


Risk:
=====
1.1
The security risk of the remote sql injection web vulnerability is estimated as high(+).

1.2
The security risk of the client-side cross site scripting web vulnerabilities are estimated as low(+)|(-)medium.


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


Disclaimer:
===========
The information provided in this advisory is provided as it is without any warranty. Vulnerability Lab disclaims all 
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                                Copyright © 2013 | Vulnerability Laboratory [Evolution Security]



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CONTACT: research () vulnerability-lab com



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