From: Hrvoje.Niksic@public.srce.hr (Hrvoje Niksic)
To: A.Main@dcs.warwick.ac.uk (Zefram)
Cc: hzoli@cs.elte.hu, schaefer@nbn.com, A.Main@dcs.warwick.ac.uk,
zsh-workers@math.gatech.edu
Subject: Re: 8-bit patch for zle_tricky.c
Date: Tue, 21 May 1996 00:43:29 +0200 (MET DST) [thread overview]
Message-ID: <199605202243.AAA17633@jagor.srce.hr> (raw)
In-Reply-To: <1222.199605202109@stone.dcs.warwick.ac.uk> from Zefram at "May 20, 96 10:09:08 pm"
In your mail, you said:
> It is a security hole, but (a) setuid shell scripts are insecure anyway
> on most systems, and (b) there's a way to avoid it:
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...
--
hniksic@srce.hr | Student of electrical engineering
hniksic@fly.cc.fer.hr | University of Zagreb, Croatia
------------------------------------------------------------------
`VI' - An editor used by those heretics that don't subscribe to
the Emacs religion.
next prev parent reply other threads:[~1996-05-20 23:16 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 [this message]
1996-05-20 22:55 ` Zefram
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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=199605202243.AAA17633@jagor.srce.hr \
--to=hrvoje.niksic@public.srce.hr \
--cc=A.Main@dcs.warwick.ac.uk \
--cc=hniksic@public.srce.hr \
--cc=hzoli@cs.elte.hu \
--cc=schaefer@nbn.com \
--cc=zsh-workers@math.gatech.edu \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
Code repositories for project(s) associated with this public inbox
https://git.vuxu.org/mirror/zsh/
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).