bugtraq - Re: Cisco VPN Concentrator IKE resource exhaustion DoS Advisory

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Message-ID: <20060730153718.3526.0@paddy.troja.mff.cuni.cz>
Date: Sun, 30 Jul 2006 15:50:58 +0200 (CEST)
From: Pavel Kankovsky <peak@...o.troja.mff.cuni.cz>
To: Eloy Paris <elparis@...co.com>
Cc: Roy Hills <Roy.Hills@...-monitor.com>,
	<bugtraq@...urityfocus.com>
Subject: Re: Cisco VPN Concentrator IKE resource exhaustion DoS Advisory

On Fri, 28 Jul 2006, Eloy Paris wrote:

> The attack against the Internet Key Exchange (IKE) protocol described
> in the NTA Monitor advisory exploits the stateless nature of the IKE
> version 1 protocol. The goal of such an attack is to deplete the
> resources available on a device to negotiate IKE security associations,
> and block legitimate users from establishing a new security association.

"Stateless"? Wasn't it supposed to read "stateful"?

--Pavel Kankovsky aka Peak  [ Boycott Microsoft--http://www.vcnet.com/bms ]
"Resistance is futile. Open your source code and prepare for assimilation."