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Message-ID: <20050729145125.S86052@fledge.watson.org> Date: Fri Jul 29 20:02:13 2005 From: arr at watson.org (Andrew R. Reiter) Subject: Cisco IOS Shellcode Presentation On Fri, 29 Jul 2005, Eric Lauzon wrote: : :So mutch fuss....its all so new .. : : :http://www.phrack.org/phrack/56/p56-0x0a : : :-elz I don't get your point; it obviously seems you're trying to be sarcastic. I think, if you realize what you're talking about, the point of the talk was the idea of reliably being able to exploit a IOS vulnerability. Reliably meaning having the cisco box not reboot on you (or other various scenarios that could occur). Gaius has some good information there, but there's a difference between being on a router and plugging in backdoor code and actually being able to get onto the router via an exploit. So what was the key point? CHECK HEAPS -- the idle proc that kicks in to validate heap management structures. Think about malloc() bugs (double free()'s and stuff) that were talked about a few years back... Those were easier to exploit b/c they didn't have a check heaps code that kicks in... If you don't understand the last paragraph, then, please stop trying to post technical arguments on this subject. Cheers, Andrew -- Andrew R. Reiter arr@...son.org
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