Re: Terminate message a security threat?

Michael Krause <[email protected]> Tue, 04 Jan 2005 11:16:07 -0800
Newsgroups gmane.ietf.rddp
Message-ID <[email protected]>
At 06:12 AM 1/4/2005, Jim Pinkerton wrote:
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>To date the security ID doesn’t discuss the Terminate Message. It was 
>suggested to me by Mallikarjun as part of his detailed review that since 
>all other messages are discussed, shouldn’t Terminate be?
>
>In thinking this through, I don’t believe this represents any new attacks. 
>If the Remote Peer is sending you a Terminate Message, then that ½ of the 
>Stream is terminated. So he just clobbered himself, but hasn’t been able 
>to affect any other connections – thus this is not a security issue. If a 
>third party is able to inject a Terminate Message into the data stream, 
>then it is a spoofing attack. The spoofing attack and mitigations are 
>already discussed. So I think at best the Terminate Message could be added 
>as an example of a spoofing attack, but honestly there are a ton of things 
>the spoofer could do, so I’m not sure I’d revise the draft just to add 
>another example.
>
>Does anyone see a hole in my reasoning?

I do not see this as a security threat - at best, just another example of 
existing issues that should be examined in any robust design.

Mike

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>Jim
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