[Full-disclosure] TCP Hijacking (aka Man-in-the-Middle)

[Valdis.Kletnieks at vt.edu]

On Fri, 26 Oct 2007 18:03:27 +0400, 3APA3A said:

> I  afraid  you  misunderstanding  or  misinterpreting results of Michael
> Zalewski's  work  (which is, by the way, last real "hack" in the initial
> meaning  of this word in the field of computer security). In most cases,
> you have good probability to guess SN after some number of guesses. E.g.
> for  Windows NT 4 you have 100% probability after 5000 guesses. There is
> no  OS  with  100% or even 50% probablity after 1 guess. And you have to
> remember,  that  result  of  the  guess is not known to you immediately,
> because you are spoofing blindly.

I'm fully aware of that.  How is that any different than the *many* exploits
we've seen that have to launch the attack a number of times with different
offsets because the "right" one can't be predicted?

Not every exploit triggers 100% the first time.  Deal with it.
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