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Re: Pen Testing a PBX (Northern Telecom Meridian-1)
From: Hubert Seiwert <hubert () westpoint ltd uk>
Date: Thu, 08 Sep 2005 13:12:46 +0100

Check http://www.phrack.org/phrack/47/P47-15 - I don't know how relevant this is to the versions that are around today but it may be a starting point. In my experience it's very common for users to have bad passwords, i.e. the same as their mailbox number. If you can get into any mailbox this obviously leads to exposure of voice mails but also potentially to the ability to make outgoing or internal phone calls, which may be useful for social engineering attacks within the organisation or making long distance and international calls at the organisation's expense.

mmarrero () lloydstsb-usa com wrote:
Hello list, I am about to start a pentest of a PBX system. I was wondering if there are any vulnerabilities against this make and model of PBX. Also, does anyone know of a paper on how to appropriately conduct a pentest. I do not want to miss anything.

Hubert Seiwert

Internet Security Specialist, Westpoint Ltd
Albion Wharf, 19 Albion Street, Manchester M1 5LN, United Kingdom

Web: www.westpoint.ltd.uk
Tel: +44-161-2371028

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