linux-kernel - Re: Fwd: Registration Weakness in Linux Kernel's Binary formats

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Date:	Tue, 03 Oct 2006 23:53:49 +0200
From:	endrazine <endrazine@...il.com>
To:	Bráulio Oliveira <brauliobo@...il.com>
CC:	linux-kernel@...r.kernel.org
Subject: Re: Fwd: Registration Weakness in Linux Kernel's Binary formats

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Hi,
I can't say if the vulnerability is real,
but I do know pdfs are _unsafe_ those days...

Regards,

endrazine-

Bráulio Oliveira wrote:
> Just forwarding....
>
> ---------- Forwarded message ---------- From: SHELLCODE Security
> Research <GoodFellas@...llcode.com.ar> Date: Oct 3, 2006 4:13 PM
> Subject: Registration Weakness in Linux Kernel's Binary formats To:
> undisclosed-recipients
>
>
> Hello, The present document aims to demonstrate a design weakness
> found in the handling of simply linked   lists   used   to
> register   binary   formats   handled   by Linux   kernel,   and
> affects   all   the   kernel families (2.0/2.2/2.4/2.6), allowing
> the insertion of infection modules in kernel space that can be
> used by malicious users to create infection tools, for example
> rootkits.
>
> POC, details and proposed solution at: English version:
> http://www.shellcode.com.ar/docz/binfmt-en.pdf Spanish version:
> http://www.shellcode.com.ar/docz/binfmt-es.pdf
>
> regards, -- SHELLCODE Security Research TEAM
> GoodFellas@...llcode.com.ar http://www.shellcode.com.ar
>
>
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