Re: Nifty DoS in Foundry networks gear.

From: Valentin Beck (vbat_private)
Date: Fri Aug 06 1999 - 15:39:56 PDT

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Maybe in reply to: Jan B. Koum: "Nifty DoS in Foundry networks gear."
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On Thu, Aug 05, 1999 at 07:53:47PM -0700, Jan B. Koum wrote:
> 	It seem I am not able to re-produce the problem any more. So...
> sorry and never mind. I'll go sit in the corner now.
>
> -- Yan

I tried it... and I reproduced the problem as you say.

telnet@something>sh ver
 SW: Version 05.0.03T12 Copyright (c) 1996-1999 Foundry Networks, Inc.
     Compiled on Jun 29 1999 at 10:56:44 labeled as SLB05003
 HW: ServerIron Switch, serial number 02bb34
 240 MHz Power PC processor 603 (revision 7) with 32756K bytes of DRAM
  16 100BaseT interfaces with Level 1 Transceiver LXT975
   2 GIGA uplink interfaces, SX
[bla bla bla]
Octal System, Maximum Code Image Size Supported: 1965568 (0x001dfe00)
The system uptime is 1 days 8 hours 41 minutes 6 seconds

System was running normally while i was nmapping, and crashed a few minutes
later...

> On Mon, Aug 02, 1999 at 04:58:43PM -0700, "Jan B. Koum " <jkb> wrote:
> >
> > 	Running tcp nmap scan against Foundry network gear make it go boom.
> > What makes it more sad is that Foundry is in the networking business -- they
> > route packets. They don't make toasters which get it's tcp/ip stack written by
> > a recent CS grad. Anyway, the version I have which reboots after simple
> > "nmap <host>" is:
> >
> > telnetat_private#sh ver
> >  SW: Version 05.0.94T13 Copyright (c) 1996-1999 Foundry Networks, Inc.
> >      Compiled on Jun  8 1999 at 15:46:09 labeled as N8R05094
> >  HW: NetIron Gigabit Switching Router, serial number 01a5a4
> >  200 MHz Power PC processor 603 (revision 7) with 32756K bytes of DRAM
> >   16 100BaseT interfaces with Level 1 Transceiver LXT975
> >    2 GIGA uplink interfaces, SX
> > [.. snip ..]
> >
> > Octal System, Maximum Code Image Size Supported: 1965568 (0x001dfe00)
> > The system uptime is 1 minutes 47 seconds
> >
> >
> > 	This is NetIron series -- not sure about other hardware...
> >
> > 	I notified Foundry two weeks ago -- but they do not seem to be able
> > to reproduce the problem themself (I also wasn't able to crash a foundry on
> > our LAN running  05.0.02T13  version of their software).
> >
> >
> > -- Yan

--
  ____ _
 / ___(_) ___    Valentin Beck, vbat_private
| |  _| |/ _ \   Unix Systems administrator
| |_| | |  __/   Grolier Interactive Europe
 \____|_|\___|   Online Groupe - Club Internet

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