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Message-ID: <1494875335.59865.118.camel@freebsd.org>
Subject: Re: svn commit: r318313 - head/libexec/rtld-elf
From: Ian Lepore <ian@freebsd.org>
To: Konstantin Belousov <kostikbel@gmail.com>, Alexey Dokuchaev
 <danfe@FreeBSD.org>
Cc: src-committers@freebsd.org, svn-src-all@freebsd.org,
 svn-src-head@freebsd.org
Date: Mon, 15 May 2017 13:08:55 -0600
In-Reply-To: <20170515190030.GG1622@kib.kiev.ua>
References: <201705151848.v4FImwMW070221@repo.freebsd.org>
 <20170515185236.GB1637@FreeBSD.org> <20170515190030.GG1622@kib.kiev.ua>
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On Mon, 2017-05-15 at 22:00 +0300, Konstantin Belousov wrote:
> On Mon, May 15, 2017 at 06:52:36PM +0000, Alexey Dokuchaev wrote:
> > 
> > On Mon, May 15, 2017 at 06:48:58PM +0000, Konstantin Belousov
> > wrote:
> > > 
> > > New Revision: 318313
> > > URL: https://svnweb.freebsd.org/changeset/base/318313
> > > 
> > > Log:
> > >   Make ld-elf.so.1 directly executable.
> > Does it mean that old Linux' trick of /lib/ld-linux.so.2 /bin/chmod
> > +x
> > /bin/chmod would now be possible on FreeBSD as well?
> Yes.
> 
> > 
> > Does this have any security implications?
> What do you mean ?
> 

Well, for example, it seems like it would allow anyone to execute a
binary even if the sysadmin had set it to -x specifically to prevent
people from running it.

-- Ian