From: Eli Zaretskii <eliz@gnu.org>
To: Max Nikulin <manikulin@gmail.com>
Cc: 66390@debbugs.gnu.org
Subject: bug#66390: `man' allows to inject arbitrary shell code
Date: Sat, 07 Oct 2023 17:19:28 +0300 [thread overview]
Message-ID: <83v8bizf9r.fsf@gnu.org> (raw)
In-Reply-To: <585dcaf0-358e-4a9d-84d1-6fd9c2c8aec5@gmail.com> (message from Max Nikulin on Sat, 7 Oct 2023 21:12:54 +0700)
> Date: Sat, 7 Oct 2023 21:12:54 +0700
> Cc: 66390@debbugs.gnu.org
> From: Max Nikulin <manikulin@gmail.com>
>
> On 07/10/2023 20:04, Eli Zaretskii wrote:
> >> From: Maxim Nikulin
> >> Date: Sat, 7 Oct 2023 19:47:04 +0700
> >
> >> man.el should prevent substitution of shell specials literally from
> >> `man' arguments into shell commands.
> >
> > I think callers of 'man' should prevent that instead.
>
> If it is fixed in man.el then it is fixed for all callers. Otherwise
> every caller must have notion of structure of references to man pages
> instead of just treating them as opaque sequence of characters.
Sorry, I disagree. 'man' is an interactive command, so it should not
second-guess the user who invokes it. Commands that call 'man'
non-interactively should make sure they call 'man' with a valid
argument, especially when the argument comes from some file.
next prev parent reply other threads:[~2023-10-07 14:19 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-07 12:47 bug#66390: `man' allows to inject arbitrary shell code Maxim Nikulin
2023-10-07 13:04 ` Eli Zaretskii
2023-10-07 14:12 ` Max Nikulin
2023-10-07 14:19 ` Eli Zaretskii [this message]
2023-10-07 14:29 ` Max Nikulin
2023-10-07 15:10 ` Eli Zaretskii
2023-10-07 15:37 ` Michael Albinus
2023-10-07 15:58 ` Eli Zaretskii
2023-10-07 16:55 ` Michael Albinus
2023-10-07 17:24 ` Eli Zaretskii
2023-10-07 17:45 ` Michael Albinus
2023-10-07 18:26 ` Eli Zaretskii
2023-10-08 3:37 ` Max Nikulin
2023-10-08 5:28 ` Eli Zaretskii
2023-10-09 15:12 ` Max Nikulin
2023-10-09 15:52 ` Eli Zaretskii
2023-10-09 16:30 ` lux
2023-10-09 16:48 ` Eli Zaretskii
2023-10-09 17:07 ` Ihor Radchenko
2023-10-09 17:20 ` Andreas Schwab
2023-10-10 2:47 ` lux
2023-10-10 7:43 ` Stefan Kangas
2023-10-10 12:11 ` Eli Zaretskii
2023-10-10 12:25 ` Stefan Kangas
2023-10-10 11:09 ` Max Nikulin
2023-10-10 10:54 ` Max Nikulin
2023-10-10 14:30 ` lux
2023-10-10 16:21 ` Andreas Schwab
2023-10-11 3:08 ` lux
2023-10-11 10:46 ` Max Nikulin
2023-10-20 21:00 ` Stefan Kangas
2023-10-21 7:19 ` Eli Zaretskii
2023-10-21 7:35 ` Andreas Schwab
2023-10-21 7:45 ` Eli Zaretskii
2023-10-21 9:19 ` Stefan Kangas
2024-01-10 21:21 ` Stefan Kangas
2024-01-11 12:07 ` Ihor Radchenko
2024-01-11 14:34 ` Max Nikulin
2024-01-11 15:07 ` Ihor Radchenko
2024-01-11 15:28 ` Eli Zaretskii
2024-01-11 15:37 ` Ihor Radchenko
2023-10-09 2:36 ` Richard Stallman
2023-10-09 11:04 ` Eli Zaretskii
2023-10-10 11:56 ` Richard Stallman
2023-10-11 10:56 ` Max Nikulin
2023-10-08 3:42 ` Maxim Nikulin
2023-10-08 5:20 ` Eli Zaretskii
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