Re: Cisco Bug

[jvs () OCSLINK COM (James Sneeringer)]

On Tue, 16 May 2000, Esteve Espuna wrote:
| The bug: When you open about 98 connections to the port 23 of a Cisco
| 760 router it does a self reboot disconnecting it ,obviously, from the
| net, if you keep opening connections it results on a denial of
| service, I don't know if arbitrary code execution is possible at any
| point of the process.

Cisco issued a field notice for this over a year ago, and it was posted to
Bugtraq at that time.  The notice can be found at:

    http://www.cisco.com/warp/public/770/7xxconn-pub.shtml

The problem was fixed in release 4.3(1).  You can get a free upgrade to
this version by calling TAC.

-James