From: Andreas Schwab <schwab@suse.de>
To: "Skyler Ferrante (RIT Student)" <sjf5462@rit.edu>
Cc: Alejandro Colomar <alx@kernel.org>,
Thorsten Glaser <tg@mirbsd.de>, Rich Felker <dalias@libc.org>,
musl@lists.openwall.com, NRK <nrk@disroot.org>,
Guillem Jover <guillem@hadrons.org>,
libc-alpha@sourceware.org, libbsd@lists.freedesktop.org,
"Serge E. Hallyn" <serge@hallyn.com>,
Iker Pedrosa <ipedrosa@redhat.com>,
Christian Brauner <christian@brauner.io>
Subject: Re: [musl] Re: Tweaking the program name for <err.h> functions
Date: Mon, 11 Mar 2024 16:09:43 +0100 [thread overview]
Message-ID: <mvmmsr4ole0.fsf@suse.de> (raw)
In-Reply-To: <CAEOG19qSWnH6WVuTCVZLfTr1HhZnu_W86r7B-64CJrRvhyh_zQ@mail.gmail.com> (Skyler Ferrante's message of "Mon, 11 Mar 2024 10:46:45 -0400")
On Mär 11 2024, Skyler Ferrante (RIT Student) wrote:
> It seems like this is the main thing shadow-utils (and other projects)
> should be concerned about. Every setuid/setgid program should check
> for fd 0,1,2 being open at the start of execution, and either abort or
> open new fds to /dev/null to prevent file descriptor omission attacks.
That's what glibc already does.
--
Andreas Schwab, SUSE Labs, schwab@suse.de
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE 1748 E4D4 88E3 0EEA B9D7
"And now for something completely different."
next prev parent reply other threads:[~2024-03-11 15:45 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <Zeo-oJOyN9YQXVb1@debian>
[not found] ` <ZepcO2pa0cwsqr3u@thunder.hadrons.org>
2024-03-08 0:52 ` Alejandro Colomar
2024-03-09 15:02 ` Rich Felker
2024-03-09 15:49 ` Alejandro Colomar
2024-03-09 18:35 ` Andreas Schwab
2024-03-09 18:46 ` Alejandro Colomar
2024-03-09 19:18 ` Markus Wichmann
2024-03-09 19:25 ` Rich Felker
2024-03-09 21:44 ` Thorsten Glaser
2024-03-10 6:01 ` NRK
2024-03-10 13:17 ` Alejandro Colomar
2024-03-10 14:01 ` NRK
2024-03-10 19:39 ` Rich Felker
2024-03-10 22:25 ` Alejandro Colomar
2024-03-10 23:22 ` Thorsten Glaser
2024-03-10 23:44 ` Rich Felker
2024-03-11 0:19 ` Thorsten Glaser
2024-03-11 0:46 ` Alejandro Colomar
2024-03-11 14:46 ` Skyler Ferrante (RIT Student)
2024-03-11 15:09 ` Andreas Schwab [this message]
2024-03-11 15:30 ` Skyler Ferrante (RIT Student)
2024-03-11 18:23 ` Florian Weimer
2024-03-11 18:48 ` Skyler Ferrante (RIT Student)
2024-03-11 19:05 ` enh
2024-03-11 19:44 ` Rich Felker
2024-03-11 20:35 ` enh
2024-03-11 19:47 ` Rich Felker
2024-03-11 20:08 ` Skyler Ferrante (RIT Student)
2024-03-11 20:39 ` enh
2024-03-11 21:21 ` Laurent Bercot
2024-03-11 22:05 ` Thorsten Glaser
2024-03-12 0:18 ` Gabriel Ravier
2024-03-12 0:43 ` Rich Felker
2024-03-12 3:23 ` Gabriel Ravier
2024-03-12 14:44 ` Rich Felker
2024-03-12 13:54 ` Florian Weimer
2024-03-12 14:21 ` Zack Weinberg
2024-03-12 14:31 ` Florian Weimer
2024-03-12 14:42 ` Rich Felker
2024-03-12 19:25 ` Zack Weinberg
2024-03-12 21:19 ` Rich Felker
2024-03-13 8:28 ` Florian Weimer
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