Re: Secure Yahoo logins

From: David Thiel (lxat_private)
Date: Wed Aug 28 2002 - 10:05:27 PDT

  • Next message: Steve Bremer: "Re: Secure Yahoo logins"

    On Wed, Aug 28, 2002 at 01:36:06AM -0700, Nick Jacobsen wrote:
    > I just love this...  You are telling me that I can't sniff information from
    > an SSL session using a mitm attack?  the whole point is that you are in the
    > middle...  
    
    I've used ettercap, I'm familiar with how the attacks work - to me,
    what you seemed to be saying was that it was possible to decrypt
    SSL off of the wire.  So yes, you're correct that you can use
    ettercap for an HTTP/SSL MITM attack, but the fact remains that
    saying that using SSL for a login session is "pointless" is just
    not accurate.  
    
    While an unencrypted connection can be sniffed at places other than
    the local lan, an SSL-ified one would require DNS cache poisoning
    to mount a MITM attack.  This is easy to defend against, and there's
    also the fact that the end user will get a certificate warning in
    this kind of situation(which they'll probably ignore, but this is
    beside the point), whether the attack is local or remote.  SSL is
    another layer of security, which, while not bulletproof, is a Good
    Thing.
    
    Cheers,
    David
    



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