full-disclosure - a secure base system

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Message-ID: <200403152008.i2FK8GAw018052@turing-police.cc.vt.edu>
From: Valdis.Kletnieks at vt.edu (Valdis.Kletnieks@...edu)
Subject: a secure base system 

On Mon, 15 Mar 2004 20:27:48 +0100, Alexander Bartolich said:

> On typical Linux distributions noexec is pointless.
> It does not prevent the execution of dynamically linked ELF images.
> 
> $ readelf -l /bin/bash | grep interpreter
>       [Requesting program interpreter: /lib/ld-linux.so.2]
> 
> $ /lib/ld-linux.so.2 /bin/bash --version
> GNU bash, version 2.05b.0(1)-release (i386-redhat-linux-gnu)
> Copyright (C) 2002 Free Software Foundation, Inc.

This is fixed in the 2.6 kernel.
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