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RE: BGP Exploit

  • From: Stephen J. Wilcox
  • Date: Wed May 05 12:20:18 2004

Of more interest.. does the router die (cpu load) before you brute force the 
sessions down

Steve

On Tue, 4 May 2004, Smith, Donald wrote:

> 
> I have seen 3 pubic ally available tools that ALL work.
> I have seen 2 privately tools that work.
> A traffic generator can be configured to successfully tear down bgp
> sessions.
> 
> Given src/dst ip and ports :
> I tested with a cross platform EBGP peering with md5 using several of
> the tools I could not tear down the sessions.
> I tested both Cisco and juniper BGP peering after  code upgrades without
> md5 I could not tear down the sessions.
> 
> 
> Donald.Smith@qwest.com GCIA
> http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xAF00EDCC
> pgpFingerPrint:9CE4 227B B9B3 601F B500  D076 43F1 0767 AF00 EDCC
> kill -13 111.2 
> 
> > -----Original Message-----
> > From: owner-nanog@merit.edu [mailto:owner-nanog@merit.edu] On 
> > Behalf Of Steven M. Bellovin
> > Sent: Tuesday, May 04, 2004 11:54 AM
> > To: Kurt Erik Lindqvist
> > Cc: kwallace@pcconnection.com; nanog@merit.edu
> > Subject: Re: BGP Exploit 
> > 
> > 
> > 
> > 
> > In message 
> > <C4E8C22A-9DA6-11D8-B28B-000A95928574@kurtis.pp.se>, Kurt 
> > Erik Lindq vist writes:
> > 
> > >>
> > >> Now that the firestorm over implementing Md5 has quieted 
> > down a bit, 
> > >> is anybody aware of whether the exploit has been used? 
> > Feel free to 
> > >> reply off list.
> > >
> > >Even more interesting, did anyone manage to reproduce it?
> > >
> > 
> > I don't know if it's being used; I know that reimplementations of the 
> > idea are out there.
> > 
> > 
> > 		--Steve Bellovin, http://www.research.att.com/~smb
> > 
> > 
> > 
> 





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