nanog mailing list archives

Re: TCP/BGP vulnerability - easier than you think


From: John Kristoff <jtk () northwestern edu>
Date: Wed, 21 Apr 2004 20:51:23 -0500


On Wed, 21 Apr 2004 21:00:55 +0100 (IST)
Paul Jakma <paul () clubi ie> wrote:

risk of crypto DoS than compared to the simple BGP TCP MD5 hack. The 
risk is due to MD5, not IPSec :).

I would say the risk is due to implementation.  If the vendor's gear
vomits quicker due to a resource consumption issue in handling MD5, is
this really a problem with MD5?

These issues can usually be fixed by simply improving the scaling
properties of the implementation that may be required during adverse
conditions.

John


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