nanog mailing list archives

Re: Cisco says attacks are due to operational practices


From: Adam McKenna <adam () flounder net>
Date: Fri, 11 Feb 2000 14:56:51 -0500


Also, I believe ssh won't do this if you remove the suid bit (which is 
probably a good idea anyway).

--Adam

On Sat, Feb 12, 2000 at 03:07:25AM +0800, adrian () creative net au wrote:
Its not a bug, its a leftover from rsh days - if the connection originates
from a port below 1024, you could assume *cough* that the credentials the
connection supplies are authentic, since the process needs to be root to
bind to ports < 1024.

This isn't a "but thats flawed!" discussion seed, take that to bugtraq.

There's a flag to ssh somewhere to stop it doing that. Yup, -P .

Adrian



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