Re: Firewall question - how easy is it to get thru - Proof

[Ansgar Wiechers <bugtraq () planetcobalt net>]

On 2011-02-14 Rivest, Philippe wrote:
> When I do an audit and when I find a major flaw or deficiency, IT
> always tells me "its because your in the internal LAN, we have a
> firewall protecting us". I know you have all heard that. So I try to
> explain that you could attack thru physical security, social
> engineering, virus and a lot of other ways and in the end I always add
> "Someone more "expert" in Firewall could bypass it".
>
> I don't really need a "how-to" but I'm looking for proof and a time
> frame on how long it normally takes for a real hacker/cracker to
> attack and bypass (where possible) a Firewall control (IPS/IDS also!). 
>
> I know this is not a click-click your done type of job, but I know its
> possible.

Place some rigged USB sticks. Social engineering or lack of physical
security don't require attackers to be "experts in firewalls", as those
attacks bypass firewalls altogether.

Regards
Ansgar Wiechers
-- 
"All vulnerabilities deserve a public fear period prior to patches
becoming available."
--Jason Coombs on Bugtraq

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