Re: /lib/ld-2.2.4.so

From: Olaf Kirch (okirat_private)
Date: Thu Apr 25 2002 - 00:39:16 PDT

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On Wed, Apr 24, 2002 at 11:12:05PM +0200, FozZy wrote:
> > You can't fix it. You can always do
> > 
> > 	cp file-with-mode-444-perms ./foobar
> > 	chmod +x foobar
> > 	./foobar
> 
> Well, not "always". I used to be on a system where home partitions, /tmp,
> and any place where you can write something, were mounted as noexec.

I know. But there's always a way around noexec. On most architectures, you
could also just mimick the behavior of ld.so by dlopen()ing the binary
doing a dlsym("_main") and jumping there.

Olaf
-- 
Olaf Kirch        |  Anyone who has had to work with X.509 has probably
okirat_private   |  experienced what can best be described as
------------------+  ISO water torture. -- Peter Gutmann

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