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- From: steven@enel.ucalgary.ca (Steven Leikeim)
- Subject: Re: Setuid script - is this unsecure?
- Sender: news@acs.ucalgary.ca (USENET News System)
- Message-ID: <92Nov23.165237.13903@acs.ucalgary.ca>
- Date: Mon, 23 Nov 92 16:52:37 GMT
- References: <1992Nov5.071354.24042@kth.se> <AMOSS.92Nov6102549@shuldig.cs.huji.ac.il> <1eg5tmINN9eh@cs.tut.fi>
- Nntp-Posting-Host: mcp.enel.ucalgary.ca
- Organization: ECE Department, U. of Calgary, Calgary, Alberta, Canada
- Lines: 34
-
- In article <1eg5tmINN9eh@cs.tut.fi> hmj@cs.tut.fi (J{rvinen Hannu-Matti) writes:
- >Equivalent would be that you let anybody execute mount (i.e., set
- >mount suid), which is not reasonable. Also you have to deny suid
- >programs on the floppy, and ensure that there does not exist special
- >devices on the floppy.
- >
- >I've written a set of programs (fdmkfs, fdmount, and fdumount) to give
- >users access to the floppy. They are available by anonymous ftp on
- >site cs.tut.fi (130.230.4.2), file pub/src/tut/floppy.shar. Use on
- >your own risk.
- >
- >--
- >-----
- >Hannu-Matti Jarvinen, hmj@cs.tut.fi
- >Opinions of tut != opinions of mine, and vice versa.
- >TTKK on samaa mielt{ kanssani siit{, ett{ en edusta sen mielipidett{.
-
- Another set of programs which I have used is mntdisk. This was posted in
- comp.sources.unix volume 22, and is available from many ftp sites. It includes
- support for diskettes UNIX and PC formats (at least on Suns), CD's and
- Erasable Optical Disks. It attempts to make sure that you do not mount
- diskettes with device files and mounts with the nosuid option to prevent
- misuse of diskettes.
-
- As shipped it lets you mount the diskette wherever you like. However, it
- is easy to modify to only allow mounts on specific directories if this is
- necessary.
-
-
- --
- Steven Leikeim |
- University of Calgary | There are lies, damned lies,
- Department of Electrical Engineering | and statistics.
- Internet: steven@enel.ucalgary.ca |
-