SuSe 10.1 and filePro 5.0.14D4
Jay R. Ashworth
jra at baylink.com
Tue Jul 18 12:53:42 PDT 2006
On Tue, Jul 18, 2006 at 12:45:33PM -0400, Kenneth Brody wrote:
> The problem is that chown will reset the setuid bit. This is for
> security reasons, to prevent the setuid bit from applying to the
> new uid, and is probably documented on the chown man page.
>
> As I recall, a non-root user used to be able to chown a file that
> he owned to another uid. Ignoring the disk quota implications,
> imagine creating an executable, setting the setuid bit, and then
> chowning it to root. I believe that this "feature" of chown is
> disallowed nowadays as well.
I'm pretty sure that the "chown clears the SUID bit" fix happened way
back in v7, and hasn't been seen since... I could check my paper v7
manuals (damn, that was the most fun $75 I ever spent when I was 16;
yes, I'm a geek).
Cheers,
-- jra
--
Jay R. Ashworth jra at baylink.com
Designer Baylink RFC 2100
Ashworth & Associates The Things I Think '87 e24
St Petersburg FL USA http://baylink.pitas.com +1 727 647 1274
Fanfic: read enough, and you'll loose your mind. --me
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