Re: odd chown difference between 2.0 and 2.1pre kernels

System Administrator (admin@intergrafix.net)
Mon, 11 Jan 1999 18:58:47 -0500 (EST)


On 11 Jan 1999, Miquel van Smoorenburg wrote:

> In article <cistron.199901110125.UAA24076@rushlight.kf8nh.apk.net>,
> Brandon S. Allbery KF8NH <allbery@kf8nh.apk.net> wrote:
> >In message <19990109215152.C32046@kitenet.net>, Joey Hess writes:
> >+-----
> >| On a 2.1pre4 machine:
> >| root@kite:~>ls -l foo
> >| -rwsrw-r-- 1 root joey 0 Jan 9 17:13 foo*
> >| root@kite:~> chown root.root foo; ls -l foo
> >| -rwsrw-r-- 1 root root 0 Jan 9 17:13 foo*
> >+--->8
> >
> >GAK!!! Security flaw here, methinks. chown should unconditionally clear
> >setuid and setgid.
>

Forgive my stupidity, but under 2.0.x i always considered the setuid loss
on chown a flaw. I, personally, feel it should keep the setuid bit. If
you're chowning something YOU own, setuid'd to you, why take the bit off??
Am I missing something trivial here?

-Tony
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Anthony J. Biacco Network Administrator/Engineer
admin@intergrafix.net Intergrafix Internet Services

"The best way to predict the future, is to invent it."
http://cygnus.ncohafmuta.com http://www.intergrafix.net
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