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From: Ihor Radchenko <yantar92@posteo.net>
To: lux <lx@shellcodes.org>
Cc: Max Nikulin <manikulin@gmail.com>, emacs-orgmode@gnu.org
Subject: Re: [PATCH] Fix ob-latex.el command injection vulnerability.
Date: Sat, 11 Mar 2023 10:47:52 +0000	[thread overview]
Message-ID: <87wn3nwomf.fsf@localhost> (raw)
In-Reply-To: <tencent_085A9C48333235B5356377B0F280E1B7C108@qq.com>

lux <lx@shellcodes.org> writes:

>> However, for example, (shell-quote-argument "-enhance -strip") will
>> return "-enhance\\ -strip", which is not what we want.
>> 
>> Similar problem with other instances of `shell-command' in Org where
>> header args supply command line arguments. Like in :cmdline.
>> 
>
> I think there is only a need to deal with the problem of `\\ ', for
> example:
>
> (string-replace "\\ " " " (shell-quote-argument im-in-options))

No. Quoting will also affect '"' and other '\'. We must not try to be
smart here. It will miss edge cases and be fragile in general.

> Any better suggestions? Thanks.

I am afraid that we cannot make things universally safe here without
breaking changes. The best way will be treating :cmd and similar header
args as unsafe and include them into the planned safety prompt system we
discussed in https://orgmode.org/list/87edsd5o89.fsf@localhost

-- 
Ihor Radchenko // yantar92,
Org mode contributor,
Learn more about Org mode at <https://orgmode.org/>.
Support Org development at <https://liberapay.com/org-mode>,
or support my work at <https://liberapay.com/yantar92>


  reply	other threads:[~2023-03-11 10:47 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-02-18 10:08 [PATCH] Fix ob-latex.el command injection vulnerability lux
2023-02-18 11:15 ` Max Nikulin
2023-02-18 11:28   ` lux
2023-02-18 11:43     ` Ihor Radchenko
2023-02-19  2:31       ` lux
2023-03-06  3:17       ` lux
2023-03-07 12:35         ` Ihor Radchenko
2023-03-07 13:20           ` lux
2023-03-07 13:52             ` Ihor Radchenko
2023-03-07 15:06               ` Bastien Guerry
2023-03-07 15:10                 ` Ihor Radchenko
2023-03-07 15:31         ` Max Nikulin
2023-03-08  2:28           ` lux
2023-03-08 15:42           ` lux
2023-03-09 12:22             ` Ihor Radchenko
2023-03-09 16:29               ` Max Nikulin
2023-03-11  5:12               ` lux
2023-03-11 10:47                 ` Ihor Radchenko [this message]
2023-03-11 10:57                   ` lux
2023-03-12 11:28                     ` Ihor Radchenko
2023-05-01 10:56                       ` Max Nikulin
2023-05-01 11:18                         ` Ihor Radchenko
2023-05-02 11:02                           ` CVE-2023-28617 (was Re: [PATCH] Fix ob-latex.el command injection vulnerability.) Max Nikulin
2023-05-02 11:21                             ` Ihor Radchenko
2023-05-11 15:56                               ` Max Nikulin
2023-05-12 13:42                                 ` Ihor Radchenko

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