Potential SSH2 exploit

[Nicolas Williams]

On Fri, Jan 11, 2002 at 01:24:40PM +0100, Markus Friedl wrote:
> i'd rather have
> 	if (key is new) {
> 		print all known keys for this host
> 		ask if key should be accepted.
> 	}

Is it possible to reject the new host key and negotiate a key exchange
for a known host key?

[...]

> yes, since OpenSSH already warns, i don't see big issue here.

There is no issue. Except, perhaps, that if other types of host keys are
known for the remote host, if there's a way to negotiate the useage of
the known keys, that might be good, at least as an option.

Nico
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