[Full-disclosure] Landshop v0.9.2 - Multiple Web Vulnerabilities



Title:
======
Landshop v0.9.2 - Multiple Web Vulnerabilities


Date:
=====
2012-03-31


References:
===========
http://vulnerability-lab.com/get_content.php?id=485


VL-ID:
=====
485


Introduction:
=============
The SAMEDIA LandShop® is an innovative tool for the marketing, sale or rent of any kind of real estate through the internet.
The LandShop® user interface is designed to be flexible, transparent and fast. Instead of an overload of
graphics and Flash animations the visitor will see immediately the business core and easily find the
objects of his interest.

Features include:
Start page with 1 special item each of the categories
- Houses for Sale
- Property for Sale
- Businesses for Sale
- Houses for Rent
- Property for Rent
- Businesses for Rent
Search capabilities for each of the above by free text or area selection
Contact form for obtaining more information
Wish list: Properties can be marked to be stored in a personal folder on the server.
This can be accessed by the user after registration with a password. The folder contents can be
viewed any time, printed or sent to third parties by the user. Wish list can be exported as PDF files to print out

(Copy of the Vendor Homepage: http://www.landshop.gr/ )


Abstract:
=========
A Vulnerability Laboratory Researcher discovered multiple Web Vulnerabilities in LandShop CMS v0.9.2



Report-Timeline:
================
2012-03-31: Public or Non-Public Disclosure


Status:
========
Published


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


Severity:
=========
Critical


Details:
========
1.1
A remote SQL Injection vulnerability is detected on LandShops Web Application v0.9.2.
The vulnerability allows an attacker (remote) or local low privileged user account to inject/execute own sql commands
on the affected application dbms. Successful exploitation of the vulnerability results in dbms & application compromise.

Vulnerable Module(s):
[+] admin/action/objects.php [OB_ID=106]
[+] admin/action/areas.php [AREA_ID=9]
[+] admin/action/pdf.php [start=2]



2.1
A persistent input validation vulnerabilities are detected on LandShops Web Application v0.9.2.
The bugs allow remote attackers to implement/inject malicious script code on the application side (persistent).
Successful exploitation of the vulnerability can lead to session hijacking (manager/admin) or stable (persistent)
context manipulation. Exploitation requires low user inter action.

Vulnerable Module(s):
[+] Create Object - Input/Output Name


2.2
A persistent input validation vulnerabilities are detected on LandShops Web Application v0.9.2. The bugs allow remote
attackers with high required user inter action to edit user accounts. Successful exploitation can lead to account access.
To exploit the issue the attacker need to create a manipulated copy the edit user mask/form. Inside of the document the
remote can implement his own values for the update because of no form or token protection. When admin get now forced to
execute the script via link he is executing the new value on the update of the application if his session is not expired.

Vulnerable Module(s):
[+] Edit Users Form


Picture(s):
../1.png
../2.png
../3.png


Proof of Concept:
=================
The sql injection vulnerabilities can be exploited by remote attackers without required user inter action.
The persistent web vulnerabilities can be exploited by remote attackers with medium & high required user inter action.
For demonstration or reproduce ...

1.1
http://127.0.0.1/landshop/admin/action/objects.php?action=single&OB_ID=106[SQL-INJECTION]

http://127.0.0.1/landshop/admin/action/pdf.php?action=show&start=20[SQL-INJECTION]*&keyword=&search_area=
&search_type=&search_order=OTR_HEAD

http://127.0.1.1/landshop/admin/action/areas.php?action=single&AREA_ID=5%27[SQL-INJECTION]


2.1
The issue can be exploited by an insert on the Create Object function with script code as value.
The result is the persistent execution out of the web application context.

Strings: >"<<iframe src=http://xxxxx.com/>3</iframe> ... or >"<script>alert(document.cookie)</script><div style="1


Risk:
=====
1.1
The security risk of the pre auth sql injection vulnerability is estimated as critical.

2.1
The security risk of the persisten input validation vulnerability is estimated as medium.

2.2
The security risk of the cross site request forgery vulnerability is estimated as low.


Credits:
========
Vulnerability Research Laboratory - the_storm (the_storm@xxxxxxxxxxxxxxxxxxxxx)


Disclaimer:
===========
The information provided in this advisory is provided as it is without any warranty. Vulnerability-Lab disclaims all warranties,
either expressed or implied, including the warranties of merchantability and capability for a particular purpose. Vulnerability-
Lab or its suppliers are not liable in any case of damage, including direct, indirect, incidental, consequential loss of business
profits or special damages, even if Vulnerability-Lab or its suppliers have been advised of the possibility of such damages. Some
states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation
may not apply. Any modified copy or reproduction, including partially usages, of this file requires authorization from Vulnerability-
Lab. Permission to electronically redistribute this alert in its unmodified form is granted. All other rights, including the use of
other media, are reserved by Vulnerability-Lab or its suppliers.

Copyright © 2012 Vulnerability-Lab

--
VULNERABILITY RESEARCH LABORATORY TEAM
Website: www.vulnerability-lab.com
Mail: research@xxxxxxxxxxxxxxxxxxxxx


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