North American Network Operators Group

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RE: Working vulnerability? (Cisco exploit)

  • From: Christopher L. Morrow
  • Date: Fri Jul 18 12:19:20 2003

On Fri, 18 Jul 2003 [email protected] wrote:

>
> On Fri, 18 Jul 2003, Ben Buxton wrote:
>
> > It's released and it works - I have verified it in a lab here.
>
> And others are trying it in the field now.  I setup the recommended
> transit ACLs yesterday.  Starting at 9:25am EDT this morning, those ACLs
> started getting hits.  What doesn't make sense to me is according to the
> advisory, the packets have to be destined for the router to crash it (not
> just passed through it), but people are attacking seemingly random IPs,
> including ones in a new ARIN block that have not yet been assigned/used
> for anything.  What do they think they're attacking?
>

Is there wide spread use of the protocol 55? (IP Mobility) There seems to
be alot of that around, more than I'd have expected :)