Date: Mon, 3 Jun 1996 16:15:57 +0100 From: Paul Richards <p.richards@elsevier.co.uk> To: bde@zeta.org.au Cc: coredump@nervosa.com, freebsd-security@FreeBSD.org Subject: Re: [linux-security] ext2fs file attributes -- denial-of-service attack (fwd) Message-ID: <199606031515.QAA03397@cadair.elsevier.co.uk> In-Reply-To: <199606021959.FAA04887@godzilla.zeta.org.au> (message from Bruce Evans on Mon, 3 Jun 1996 05:59:38 %2B1000)
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>>>>> "Bruce" == Bruce Evans <bde@zeta.org.au> writes: Bruce> Root had better know how to clear flags using chflags -R. Bruce> FreeBSD's `rm' has been hacked to unconditionally turn off the Bruce> user append and immutable flags before attempting removals. Bruce> 4.4Lite2's rm still fails to remove user-append/immutable Bruce> files. This doesn't make sense. What's the point of setting the immutable flag on something like the kernel if 'rm' has been hacked to disable it? The normal file permissions would prevent ordinary users from deleting it and the one reason I'd want to set the immutable flag would be to stop me as root doing something stupid to it.
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