From: Alec Muffett <alec.muffett@gmail.com>
To: Dave Horsfall <dave@horsfall.org>
Cc: The Eunuchs Hysterical Society <tuhs@tuhs.org>
Subject: Re: [TUHS] Set-uid shell scripts
Date: Sun, 4 Aug 2019 08:43:24 +0100 [thread overview]
Message-ID: <CAFWeb9JFaDAAD-6Bruh1eO-MddAJ17nZTWeTP8syXpPqa-CM9w@mail.gmail.com> (raw)
In-Reply-To: <alpine.BSF.2.21.9999.1908041714460.38830@aneurin.horsfall.org>
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On Sun, 4 Aug 2019 at 08:37, Dave Horsfall <dave@horsfall.org> wrote:
> Is it just me, or did someone actually implement set-uid scripts?
Yes, they were a thing for a while, until someone realised that you could
do:
ln -s /bin/scriptname ./-i
"-i" # assuming that "." is already in your path
...and get a root shell. Source: I did this on (ISTR) 4.1 or 4.2BSD.
-a
--
http://dropsafe.crypticide.com/aboutalecm
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next prev parent reply other threads:[~2019-08-04 7:44 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-04 7:36 Dave Horsfall
2019-08-04 7:43 ` Alec Muffett [this message]
2019-08-04 15:58 ` Noel Chiappa
2019-08-04 16:30 ` Michael Kjörling
2019-08-04 16:48 ` Alec Muffett
2019-08-04 17:48 ` Michael Kjörling
2019-08-04 19:45 ` Alec Muffett
2019-08-04 16:50 ` Rico Pajarola
2019-08-04 7:46 ` arnold
2019-08-04 20:18 Noel Chiappa
2019-08-04 20:29 ` Clem Cole
2019-08-04 20:42 ` Richard Salz
2019-08-04 23:58 ` Dave Horsfall
2019-08-04 21:18 Norman Wilson
2019-08-04 21:27 Norman Wilson
2019-08-06 8:28 ` jason-tuhs
2019-08-06 9:55 ` arnold
2019-08-06 22:48 ` Dave Horsfall
2019-08-06 22:56 ` ron minnich
2019-08-07 1:21 ` Dave Horsfall
[not found] ` <40c92e85142fe7e3@orthanc.ca>
2019-08-07 21:33 ` Dave Horsfall
2019-08-08 6:39 ` Peter Jeremy
2019-08-07 12:56 ` Chet Ramey
2019-08-07 21:40 ` Dave Horsfall
2019-08-08 5:16 ` Adam Thornton
2019-08-14 5:41 ` Efton Collins
2019-08-05 0:13 Noel Chiappa
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