[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: install frescoba 2.18.2 in Ubuntu
From: |
David Kastrup |
Subject: |
Re: install frescoba 2.18.2 in Ubuntu |
Date: |
Fri, 04 Mar 2016 09:48:16 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/25.1.50 (gnu/linux) |
David Wright <address@hidden> writes:
> OK. This one is quite pernicious, but depends on having the : at the
> beginning of $PATH, which might happen if someone thought the syntax
> was meant to be, say, PATH=:patha:pathb:and-so-on:
>
> $ echo $PATH
> :/usr/local/bin:/usr/bin:/bin:
This is a terrible PATH: it searches the local directory for executables
(which one should never ever ever do as it is a security hole you can
drive a truck through), and not once, but twice: before everything else
and afterwards _again_.
> Your enemy puts cp somewhere like /tmp/cp, makes it world-executable,
> then waits for someone to cd /tmp and copy some files.
I see that was the point you were trying to make, but it does not start
like that.
--
David Kastrup
- Re: install frescoba 2.18.2 in Ubuntu, David Wright, 2016/03/03
- Re: install frescoba 2.18.2 in Ubuntu, Blöchl Bernhard, 2016/03/03
- Re: install frescoba 2.18.2 in Ubuntu, Bernard, 2016/03/03
- Re: install frescoba 2.18.2 in Ubuntu, Urs Liska, 2016/03/03
- Re: install frescoba 2.18.2 in Ubuntu, Bernard, 2016/03/03
- Re: install frescoba 2.18.2 in Ubuntu, David Wright, 2016/03/03
- Re: install frescoba 2.18.2 in Ubuntu, Urs Liska, 2016/03/03
- Re: install frescoba 2.18.2 in Ubuntu, David Wright, 2016/03/04
- Re: install frescoba 2.18.2 in Ubuntu,
David Kastrup <=
- Re: install frescoba 2.18.2 in Ubuntu, Urs Liska, 2016/03/04
- Re: install frescoba 2.18.2 in Ubuntu, David Wright, 2016/03/04
- Re: install frescoba 2.18.2 in Ubuntu, David Wright, 2016/03/04
Re: install frescoba 2.18.2 in Ubuntu, David Wright, 2016/03/03
Re: install frescoba 2.18.2 in Ubuntu, Noeck, 2016/03/03