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From: Richard Miller <9fans@hamnavoe.com>
To: 9fans@9fans.net
Subject: Re: [9fans] shell functions
Date: Sun, 28 Sep 2014 10:39:00 +0100	[thread overview]
Message-ID: <ab43d3eb17651d3835a63b7bfb3d39e5@hamnavoe.com> (raw)
In-Reply-To: <D821D108-E39D-4C2D-BD68-6217FE79A996@ar.aichi-u.ac.jp>

> when rc is invoked, rc reconstructs shell variable and shell functions using files in /env/.
> in case of shell functions, rc evaluates whole data in the file.
> this feature makes problem if the content is
> 	fn foo {…}; maliciouscommand

How would a malicious agent put something into /env?  If it's possible,
how is this different from putting something into $home/bin/rc or
binding something into /rc/bin ?




  reply	other threads:[~2014-09-28  9:39 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CAL0h+tWUCrwWoTSeLz+Kx1yqKwKqwDBZZbH7fLe-PWXjLSgWWw@mail.gmail.com>
2014-09-26 15:54 ` Russ Cox
2014-09-26 16:32   ` [9fans] " Kurt H Maier
2014-09-26 16:44     ` Skip Tavakkolian
2014-09-26 16:55       ` Kurt H Maier
2014-09-29 15:30     ` Russ Cox
2014-09-26 16:48   ` Bakul Shah
2014-09-27 14:40   ` Christian Neukirchen
2014-09-28  7:00     ` arisawa
2014-09-28  9:39       ` Richard Miller [this message]
2014-09-29 13:03         ` arisawa
2014-09-29 13:20           ` Charles Forsyth
2014-10-01  9:37             ` arisawa
2014-09-29 18:05           ` erik quanstrom

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