Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751093AbWJDDth (ORCPT ); Tue, 3 Oct 2006 23:49:37 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751094AbWJDDth (ORCPT ); Tue, 3 Oct 2006 23:49:37 -0400 Received: from relay01.pair.com ([209.68.5.15]:25867 "HELO relay01.pair.com") by vger.kernel.org with SMTP id S1751093AbWJDDtg convert rfc822-to-8bit (ORCPT ); Tue, 3 Oct 2006 23:49:36 -0400 X-pair-Authenticated: 71.197.50.189 From: Chase Venters To: goodfellas@shellcode.com.ar Subject: Re: =?utf-8?q?Registration=C2=A0Weakness=C2=A0in=C2=A0Linux=C2=A0Kernel=27?= =?utf-8?q?s=C2=A0Binary=C2=A0formats?= Date: Tue, 3 Oct 2006 22:49:10 -0500 User-Agent: KMail/1.9.4 Cc: Linux kernel , Kyle Moffett , endrazine , Stephen Hemminger , Valdis.Kletnieks@vt.edu, Alan Cox References: <1159902785.2855.34.camel@goku.staff.locallan> In-Reply-To: <1159902785.2855.34.camel@goku.staff.locallan> Organization: Clientec, Inc. MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8BIT Content-Disposition: inline Message-Id: <200610032249.33712.chase.venters@clientec.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1222 Lines: 30 On Tuesday 03 October 2006 14:12, SHELLCODE Security Research wrote: > 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. Yay, you've been Slashdotted! Question: Why did you personally submit this to Slashdot when it is absolutely clear that the observation is akin to figuring out a process can call fork() and exec() and become "/bin/rm" with an argv of "/bin/rm", "-rf", and "*"? Is this what you call good marketing? > 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 > Thanks, Chase - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/