[VulnWatch] Digital Armaments Security: Siemens Speedstream Wireless Router Password Protection Bypass Vulnerability

[vulnwatch@xxxxxxxxxxxxxxxxxxxx]

Siemens Speedstream Wireless Router Password Protection Bypass Vulnerability
http://www.digitalarmaments.com/2006290674551938.html

I. Background

The SpeedStream Wireless DSL/Cable Router is usually adopted for home and
small business solutions. Together with an existing DSL or cable modem
connection, this affordable, easy to use connection sharing solution 
rings the freedom of high-speed, wireless broadband connectivity to home
and SOHO networks. Its comprehensive functionality provides vital firewall
protection, IP sharing capabilities, and fundamental routing features that
support popular protocols like NetMeeting and VPN.

For further information or detail about the software you can refer to the
vendor's homepage:

http://subscriber.communications.siemens.com/

II. Problem Description

Speedstream routers have UPnP/1.0 support. An attacker can access
protected files and bypass the password protection without login using the
UPnP part of the tree.

III. Detection

This problem has been detected on latest version of Siemens Speedstrem
Router. It has been tested on the Speedstream 2624.

IV. Impact analysis

Successful exploitation allow an attacker to bypass the password
protection. It also allow an attacker to access protected files without
login.

V. Solution

First notification 05.02.2006.

Second notification 05.20.2006.

No answer from the vendor.

VI. Credit

Jaime Blasco - jaime.blasco (at) eazel (dot) es [email concealed] is
credited with this discovery.

Get paid and get stocks by vulnerability submission

http://www.digitalarmaments.com/contribute.html

VII. Legal Notices

Copyright © 2006 Digital Armaments LLC.

Redistribution of this alert electronically is allowed. It should not be
edited in any way. Reprint the whole is allowed, partial reprint is not
permitted. For any other request please email customerservice (at)
digitalarmaments (dot) com [email concealed] for permission.

Disclaimer: The information in the advisory is believed to be accurate at
the time of publishing based on currently available information. Use of
the information constitutes acceptance for use in an AS IS condition.
There are no warranties with regard to this information. Neither the
author nor the publisher accepts any liability for any direct, indirect,
or consequential loss or damage arising from use of, or reliance on, this
information.