The exploit just came out 2 hours ago and yes people are widely exploiting
it. If you have a cisco router, kindly upgrade your IOS.

thanks,
- Kalyan


On Fri, 18 Jul 2003, Sarad AV wrote:

> hi,
>
>
> http://www.newscientist.com/news/news.jsp?id=ns99993955
>
>
> A rare, specially crafted sequence of IPv4 packets
> with protocol type 53 (SWIPE), 55 (IP Mobility), 77
> (Sun ND), or 103 (Protocol Independent Multicast -
> PIM) which is handled by the processor on a Cisco IOS
> device may force the device to incorrectly flag the
> input queue on an interface as full, which will cause
> the router to stop processing inbound traffic on that
> interface. This can cause routing protocols to drop
> due to dead timers.
>
>
> Does any one have more details how this attack is
> possible and can be carried out?
>
> Regards Sarath.
>
>
>
>
> __________________________________
> Do you Yahoo!?
> SBC Yahoo! DSL - Now only $29.95 per month!
> http://sbc.yahoo.com
>
>
>