Re: Help with suid (bash)

From	Greg Wooledge <greg@wooledge.org>
Newsgroups	linux.debian.user
Subject	Re: Help with suid (bash)
Date	2022-05-10 14:00 +0200
Message-ID	<ElwGZ-exjv-1@gated-at.bofh.it> (permalink)
References	<ElwGZ-exjv-3@gated-at.bofh.it>
Organization	linux.* mail to news gateway

Show all headers | View raw

On Tue, May 10, 2022 at 07:50:18AM -0400, rhkramer@gmail.com wrote:
> Aside: even though this is not a Debian specific question, I often use debian-
> user as my first resource in asking Linux questions.

It's Linux-specific, though.

> -rwsr-xr-x 1 root <groupid_that_includes_my_userid> 1412 Aug 31  2014 
> <bash_script_filename>

The Linux kernel does not honor the setuid bit on a script.  Any script.
Anything that's executed via a shebang, rather than an ELF header.

This is for security purposes, as there's some sort of race condition
or something.  I forget the exact details, but the point is, you can't
do this.  Find another solution.

Back to linux.debian.user | Previous | Next — Next in thread | Find similar | Unroll thread

Thread

Re: Help with suid (bash) Greg Wooledge <greg@wooledge.org> - 2022-05-10 14:00 +0200
  Resolved: Re: Help with suid (bash) rhkramer@gmail.com - 2022-05-10 14:30 +0200
    Followup: Re: Resolved: Re: Help with suid (bash) rhkramer@gmail.com - 2022-05-10 16:10 +0200
    Re: Resolved: Re: Help with suid (bash) Stefan Monnier <monnier@iro.umontreal.ca> - 2022-05-10 16:50 +0200
  Re: Help with suid (bash) <tomas@tuxteam.de> - 2022-05-10 14:30 +0200

csiph-web