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Netopia ISDN Router 650-ST: Viewing of all system logs without login
From: The Proton <proton () DSHS NSW EDU AU>
Date: Thu, 16 Nov 2000 09:16:07 +1100

This advisory was sent to Netopia three weeks ago. I have received no
return contact.

Andrew

----------------

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Device Specifics
=================
Name:         Netopia ISDN Router 650-ST
Manufacturer: Netopia
Version:      Firmware 3.3.2
Risk:         Viewing of all system logs without login
Advisory:     2000-03

Problem
=======

The system logs (both device history and WAN history) can be read
from the telnet prompt without logging into the system.

Details
=======

The logs of the router can be viewed from the telnet login screen by
pressing a certain key combination.

To access the WAN event log type Ctrl-F at the login screen
To access the device event log type Ctrl-E at the login screen

Access to these logs may allow access to sensitive information such
as usernames or passwords to an arbitary internet user.

Fixes
=====

None available.


Workaround
==========

Do not allow telnet access to your router to untrusted hosts.


Acknowledgements
===============

This vulnerability was discoverd by Bok <bok () dshs nsw edu au>
Further investigation by Andrew Wellington (aka proton)


Disclaimer
==========
THIS INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND.
ANDREW WELLINGTON DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR
IMPLIED,
INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
PARTICULAR PURPOSE. IN NO EVENT SHALL ANDREW WELLINGTON BE LIABLE FOR
ANY DAMAGES WHATSOEVER INCLUDING, BUT NOT LIMITED TO, DIRECT,
INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR
SPECIAL DAMAGES, EVEN IF ANDREW WELLINGTON HAS BEEN ADVISED OF THE
POSSIBILITY OF SUCH DAMAGES.


PGP Key
=======

PGP key is available at keyserver.net
Key ID: 0x77168373
Fingerprint:
E8C3 789F 30C3 658E 1D90  56EB 0097 3EE3 7716 8373

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_______________________________
The Proton
<proton () dshs nsw edu au>
_______________________________


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