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Date: Tue, 03 Oct 2006 18:32:08 +0000
From: SHELLCODE Security Research <GoodFellas@...llcode.com.ar>
To: undisclosed-recipients: ;
Subject: Registration Weakness in Linux Kernel's Binary formats
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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