[Full-disclosure] Re DNS spoofing issue discussion

Paul Schmehl pschmehl_lists at tx.rr.com
Fri Aug 1 04:37:20 BST 2008


--On July 31, 2008 9:17:00 PM -0600 don bailey <don.bailey at gmail.com> 
wrote:

>> The BGP fixes were devised after the last meltdown, but question again
>> is whether they are installed. If DNSSEC had been installed, Kaminsky's
>> issue
>> would not exist.
>>
>
> That's probably not the case. It would only alter the scope of
> attack to include encryption and not simply port+xid. Since UDP
> is stateless one could could have theoretically kicked off some
> semblance of brute force attack against the key used for
> encryption. For algorithms that use bits larger than would be
> feasible for brute force attacks, the latest SNMPv3 vulnerability
> comes to mind, as does Tim Newsham's attack on WEP.
>
> In other words, there are always options. The attack wouldn't have
> gone away. As they say, there are 1,000,000 ways to get to Detroit.
>

Apples and oranges.  *Attacks* will never go away, but dnssec, if fully 
implemented, would render Dan's attack moot.  Unless you've factored 256 
bit RSA keys, in which case you should be making six figures.

Paul Schmehl
If it isn't already obvious,
my opinions are my own and not
those of my employer.
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