full-disclosure - Re: Sony: No firewall and no patches

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Date: Tue, 10 May 2011 16:05:13 +0000
From: "Dobbins, Roland" <rdobbins@...or.net>
To: "full-disclosure@...ts.grok.org.uk" <full-disclosure@...ts.grok.org.uk>
Subject: Re: Sony: No firewall and no patches

On May 10, 2011, at 10:56 PM, Bruno Cesar Moreira de Souza wrote:

> If the compromised server is not behind a stateful firewll, it will be easier to create a tunnel to access unauthorised ports (such as database network services) and attack other servers. 

That's untrue if even the most basic BCPs for crafting and enforcing network access policies have been followed.  Plus, the moment the httpd stops working, that should ring alarm bells via even the most basic NMS/OSS monitoring.

> Even if the exploited vulnerability is fixed in a short time, the attacker will still be able to easily control the compromised server.

Not if it's taken offline and scrubbed down to the bare metal, as should be routine after a compromise.

-----------------------------------------------------------------------
Roland Dobbins <rdobbins@...or.net> // <http://www.arbornetworks.com>

		The basis of optimism is sheer terror.

			  -- Oscar Wilde

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