Re: question about /proc/<PID>/mem in 2.4 (fwd)

From: Alan Cox
Date: Fri Jul 23 2004 - 12:37:31 EST


On Sun, Jul 18, 2004 at 01:41:34PM +0100, Tigran Aivazian wrote:
> > | setuidapp < /proc/self/mem
> >
> > ...
> > See Alan's example I've quoted above. In this scenario, it would be
> > the program being attacked which will be checked for possession of the
> > capability... if it is SUID root, the attack will succeed.
>
> In the above example there is nothing forbidden and the current state of
> things doesn't prevent the program from reading it's own address space.

I meant to say exec setuidapp </proc/self/mem


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