full-disclosure - Cisco IOS Shellcode Presentation

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Message-ID: <200507292206.j6TM6FiU003870@turing-police.cc.vt.edu>
Date: Fri Jul 29 23:06:30 2005
From: Valdis.Kletnieks at vt.edu (Valdis.Kletnieks@...edu)
Subject: Cisco IOS Shellcode Presentation 

On Fri, 29 Jul 2005 23:17:48 +0200, Jochen Kaiser said:

> maybe I am wrong, but with high end switchrouter I thought that routing 
> protocols are handled by IOS by the cpu - after calculated, the topology 
> is programmed in e.g. TCAM memory.

That's the *point* - the CPU is what's vulnerable here.  A suggestion was made to
replace the CPU with an ASIC or FPGA.  I pointed out that if you did that, then
the ASIC would have to do BGP4, because otherwise there'd not be a routing table
loaded in the TCAM memory for the line cards to use....

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