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List Archive: gentoo-security
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To: gentoo-security@g.o
From: Joe Knall <joe.knall@...>
Subject: Re: mount noexec and ro
Date: Sat, 4 Nov 2006 14:27:31 +0100
On Sat, 2006-11-04 13:47 Eduardo Tongson wrote:
> On 11/4/06, Wolfram Schlich <lists@...> wrote:
> > It only helps against scriptkiddie-attacks.
> > '/lib/ld-linux.so.2 /tmp/somedynamicallylinkedbinary' still works.
>
> Should not work on recent kernels anymore.
> Last time i tried it on 2.6.17.

seems not to work with SuSE 2.6.11.4-21.14-default, Gentoo 2.6.16.28-xen 
and 2.6.17-gentoo-r8

cp -a dynamically linked /bin/date /home/joe as root
joe@checkbox:~> /lib/ld-linux.so.2 /home/joe/date
/home/joe/date: error while loading shared libraries: /home/joe/date: 
failed to map segment from shared object: Operation not permitted

Joe
-- 
gentoo-security@g.o mailing list


References:
mount noexec and ro
-- Joe Knall
Re: mount noexec and ro
-- Wolfram Schlich
Re: mount noexec and ro
-- Eduardo Tongson
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Updated Jun 17, 2009

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