North American Network Operators Group

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Re: New Cisco Vulnerability

  • From: Petri Helenius
  • Date: Wed Jul 16 15:53:22 2003

It supposedly requires 75 packets which is the default amount of slots
in the "process switched" input queue on an interface. There have been
packets stuck in the input queue in previous occasions but I suspect
this is readily exploitable remotely.
----- Original Message -----
Sent: Wednesday, July 16, 2003 10:17 PM
Subject: New Cisco Vulnerability

Hello All,
There seem to be rumors going around that there is a new major Cisco vulnerability but only the major backbones are being given fixes right now.
Something about packets malformed in a certain manner cause the router to wedge.
Can anyne shed any light on or off list?