Re: Request for Review - Fedora Security Basics

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From: Felipe Alfaro Solana <felipe.alfaro@xxxxxxxxx>
Date: Mon, 10 Oct 2005 11:02:45 +0200

> I agree that having physical access to the machine could make easy for
> an intruder to get into it, but sometimes the intruder has limited
> physical access, that is, the intruder can't steal the hard drive or
> the machine, only sit at the keyboard, restart the machine into
> single-user mode and reset the root password (and yes, I know I we can
> use a GRUB password).

If the GRUB password isn't used to protect the machine, the
boot parameter is editable.

In that case, the intruder can alternate "init" program with
/bin/sh, putting "init=/bin/sh" into the boot parameter.  It
means that modified /etc/inittab can not protect the machine
because the file is read by /sbin/init (default "init"
programme).

-- 
SEKINE Tatsuo:
 tsekine@xxxxxxxxxx    System Design & Research Inst. Co.,Ltd.

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