Date: Tue, 24 Jul 2001 19:33:39 +0100 From: Ben Smithurst <ben@FreeBSD.org> To: Jon Loeliger <jdl@jdl.com>, security@freebsd.org Subject: Re: Security Check Diffs Question Message-ID: <20010724193339.H20105@strontium.shef.vinosystems.com> In-Reply-To: <20010724212444.A19217@ringworld.oblivion.bg> References: <200107241632.LAA05639@chrome.jdl.com> <20010724205228.A16243@ringworld.oblivion.bg> <20010724190607.F20105@strontium.shef.vinosystems.com> <20010724212444.A19217@ringworld.oblivion.bg>
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[-- Attachment #1 --]
Peter Pentchev wrote:
> 'Replacing' would not be enough - removing the file or moving something
> over it (the way install(1) does) would change its inode number.
I meant if they did something like
cat my_trojan > /usr/bin/su
or whatever, which wouldn't change the inode number...
But...
> The ctime, too, can be changed,
... Never mind then. :-( Maybe /etc/security should be updated to do
stuff with mtree's md5/sha1 digest stuff...
--
Ben Smithurst / ben@FreeBSD.org FreeBSD: The Power To Serve
http://www.FreeBSD.org/
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