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From: Zefram <A.Main@dcs.warwick.ac.uk>
To: hniksic@public.srce.hr
Cc: A.Main@dcs.warwick.ac.uk, hzoli@cs.elte.hu, schaefer@nbn.com,
	zsh-workers@math.gatech.edu
Subject: Re: 8-bit patch for zle_tricky.c
Date: Mon, 20 May 1996 23:55:09 +0100 (BST)	[thread overview]
Message-ID: <5723.199605202255@stone.dcs.warwick.ac.uk> (raw)
In-Reply-To: <199605202243.AAA17633@jagor.srce.hr> from "Hrvoje Niksic" at May 21, 96 00:43:29 am

>As far as I understand, the other problem is with setuid programs calling
>other programs with system(), like:
>system("/bin/date");
>to output date. If the IFS contains '/', someone might have a program named
>bin in their path, and then...

There's a simple solution to that.  Set IFS before using system.  IMO,
setuid programs shouldn't be using system(3), but it is possible to do
it safely.

-zefram



  reply	other threads:[~1996-05-20 23:18 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
1996-05-18 11:51 Zefram
1996-05-19 22:34 ` Zoltan Hidvegi
1996-05-20 15:58   ` Zefram
1996-05-20 17:21     ` Zoltan Hidvegi
1996-05-20 17:03       ` Bart Schaefer
1996-05-20 18:36         ` Zoltan Hidvegi
1996-05-20 21:09           ` Zefram
1996-05-20 22:43             ` Hrvoje Niksic
1996-05-20 22:55               ` Zefram [this message]
1996-05-20 23:08                 ` Hrvoje Niksic
1996-05-20 23:36                   ` Zefram
1996-05-20 17:54       ` Zefram
1996-05-20 22:25         ` Hrvoje Niksic
1996-05-20  1:01 ` Zoltan Hidvegi

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