Date: Mon, 15 Mar 2004 13:25:05 +0100 From: Marc Olzheim <marcolz@stack.nl> To: Marc Bevand <bevand_m@epita.fr> Cc: security@freebsd.org Subject: Re: bin/64150: [PATCH] ls(1) coredumps when started via execve(2) with no argv. Message-ID: <20040315122505.GA686@stack.nl> In-Reply-To: <20040312192952.GA23211@nash.epita.fr> References: <200403120922.i2C9M0jC002510@stud326.idi.ntnu.no> <20040312104914.GA52099@ip.net.ua> <20040312105730.GA99925@stud326.idi.ntnu.no> <20040312110657.GB52099@ip.net.ua> <20040312111526.GA14260@stack.nl> <20040312125820.GA8574@lum.celabo.org> <20040312154600.GC2235@ip.net.ua> <20040312110725.698ebe20@localhost> <20040312161049.GA2872@ip.net.ua> <20040312192952.GA23211@nash.epita.fr>
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On Fri, Mar 12, 2004 at 08:29:52PM +0100, Marc Bevand wrote: > On 12 Mar 2004, Ruslan Ermilov wrote: > | On Fri, Mar 12, 2004 at 11:07:25AM -0500, Tom Rhodes wrote: > | > > | > Will it 'break' anything? > | > | Sure it will, the question is should we care about something that's > | already broken. ;) > > It will break almost all shellcodes trying to be the shorter ones > (as they pass NULL for argv and envp). So we can view it as a small > security improvement (just kidding). When I tested my patches (over 2 years ago), I didn't trigger any compilation, nor any runtime problems... Marc
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