RFC 2623:NFS Version 2 and Version 3 Security Issu...
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Credential


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... The NFS server checks permissions by taking the credentials from the RPC security ...
... RPC security information in each remote request. Each flavor packages credentials differently. ...
... cryptography. The cryptographic protections are used in the construction of the credential on calls, and in the verifiers on replies. Optionally, cryptographic ...
... AUTH_KERB4, or RPCSEC_GSS credentials for the administrative entity associated with an automounter are not available. If so, the NFS ...
... allow the request, but map the user's credentials to a user other than the one the client intended. Typically the user that ...
... attack to succeed, the attacker must still be able impersonate a user's credentials, which is simple for AUTH_SYS, but harder for AUTH ...



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