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- From: unruh@physics.ubc.ca (William Unruh)
- Newsgroups: comp.sys.sun.admin
- Subject: Re: NIS security hole or something?
- Message-ID: <unruh.716577094@physics.ubc.ca>
- Date: 15 Sep 92 17:11:34 GMT
- References: <1992Sep15.002925.6205@bellahs.com>
- Sender: news@unixg.ubc.ca (Usenet News Maintenance)
- Distribution: usa
- Organization: University of British Columbia, Vancouver, B.C., Canada
- Lines: 16
- Nntp-Posting-Host: physics.ubc.ca
-
- gfong@bellahs.com (Gary Fong RD) writes:
-
- > Allow a user root access to their own Sun machine (but not server)
- ...
- >Problem:
-
- > User can modify own /etc/passwd, add an identical entry for some existing
- > user (obtained from NIS master server's /etc/passwd) without of course the
- > password string, login as that user and modify that user's files.
- ...
- > How do we prevent this?
-
- I doubt that you can. WHy do they need root access on their own
- machines? And if they do that, just cut them off from NFS and don't
- allow them to use any other machine. If they have root access on one
- machine, you'd better trust them.
-