#Title: Vulnerabilities in Member Management System 2.1

#Software: Member Management System 2.1
#Vendor: http://www.expinion.net/software/app_mms.asp
#Impact: Disclosure of authentication information, Disclosure of user
information, Execution of arbitrary code via network, Modification of user
and admin information, User access via network.
#Underlying OS: Windows NT, Windows 2000, Windows 2003 or Windows XP
Professional/Server.

#Vendor Description:

Quickly secure pages or portions of your web site from unregistered
visitors. Easy to integrate security into existing sites! Login to admin to
send 'Expiry Notices', upload & download user data, capture member activity,
browser & os info, add optional fields, send subscriber newsletters, group &
relate people, verify email addresses?

#Vulnerabilities:

Input Validation Holes Permit SQL Injection and Cross-Site Scripting
Attacks.

#SQL Injection#

A problem of sanitation in resend.asp, news_view.asp, could lead an attacker
to inject SQL code to manipulate and disclose information from the database.
The same problem is present in administration site in more scripts.

Examples:
http://[host]/resend.asp?ID=[SQL query]
http://[host]/news_view.asp?ID=[SQL query]

#Cross-Site Scripting#

Another problem of sanitation permits an attacker inject a XSS in the
register form (register.asp), this will be executed at the administration
site permitting the attacker to modify or delete data.
Also is possible a XSS attack in error.asp.

Example:
http://[host]/error.asp?err=">[XSS]
Example to delete a user:
In the register form: "><iframe src=http://[host]/admin/user_del.asp?ID=[ID
to delete]>

#Solution:

Vendor contacted, the vulnerabilities will be addressed very soon.
Thanks to Vladimir S. Pekulas.
http://www.expinion.net/software/app_mms.asp

#Credits:

Manuel López. mantra (at) gulo (dot) org [email concealed]

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