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IT Baseline Protection Manual - The Information Warfare Site

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Threats Catalogue Deliberate Acts Remarks<br />

____________________________________________________________________ .........................................<br />

T 4.11 Lack of authentication possibilities between<br />

NIS Server and NIS Client<br />

If the NIS domain name is known, any computer can be signed on as a client,<br />

and all NIS maps can be read, in particular the password map.<br />

If administrator privileges can be gained on a system, a NIS server process<br />

(ypserv) can be started on a privileged port. <strong>The</strong> client process ypbind is then<br />

restarted on the target system. If the server process responds faster than the<br />

original NIS server arbitrary information can be transmitted to the client.<br />

____________________________________________________________________ .........................................<br />

<strong>IT</strong>-<strong>Baseline</strong> <strong>Protection</strong> <strong>Manual</strong>: Oktober 2000

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