Skip site navigation (1)Skip section navigation (2)
Date:      Fri, 12 Mar 2004 20:29:52 +0100
From:      Marc Bevand <bevand_m@epita.fr>
To:        security@freebsd.org
Subject:   Re: bin/64150: [PATCH] ls(1) coredumps when started via execve(2) with no argv.
Message-ID:  <20040312192952.GA23211@nash.epita.fr>
In-Reply-To: <20040312161049.GA2872@ip.net.ua>
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>

next in thread | previous in thread | raw e-mail | index | archive | help
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).

-- 
Marc Bevand                          http://www.epita.fr/~bevand_m
Computer Science School EPITA - System, Network and Security Dept.



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20040312192952.GA23211>