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Date: Tue, 14 Mar 2023 12:01:17 +0100
From: Hanno Böck <hanno@...eck.de>
To: oss-security@...ts.openwall.com
Subject: Re: TTY pushback vulnerabilities / TIOCSTI
On Tue, 14 Mar 2023 11:46:33 +0100
Peter Bex <peter@...e-magic.net> wrote:
> Indeed, opendoas (the portable version of OpenBSD's "doas") has this
> exact bug as well: https://github.com/Duncaen/OpenDoas/issues/106
Though some context is relevant here: doas is a tool from OpenBSD.
According to the Linux kernel commit message [1] OpenBSD has fixed this
already 3 years ago by entirely removing TIOCSTI [2][3].
[1]
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=83efeeeb3d04
[2] https://undeadly.org/cgi?action=article;sid=20170701132619
[3] https://marc.info/?l=openbsd-cvs&m=149870941319610
--
Hanno Böck
https://hboeck.de/
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