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From: Ihor Radchenko <yantar92@posteo.net>
To: Greg Minshall <minshall@umich.edu>
Cc: Tom Gillespie <tgbugs@gmail.com>, Bastien <bzg@gnu.org>,
	Kyle Meyer <kyle@kyleam.com>,
	emacs-orgmode@gnu.org
Subject: [SECURITY] Tangling can overwrite arbitrary tangling targets, including important user files (was: [SECURITY] Arbitrary code evaluation security in Org)
Date: Tue, 03 Jan 2023 09:52:26 +0000	[thread overview]
Message-ID: <87bkngkkrp.fsf@localhost> (raw)
In-Reply-To: <753836.1672657156@archlinux>

Greg Minshall <minshall@umich.edu> writes:

> one additional item (i don't *think* we discussed this before; apologies
> if i'm forgetting): tangling.  if one is prompted to "merely" tangle ...
> ----
> #+begin_src sh :tangle /var/tmp/foo.org.tangled
>   echo 'hi!'
> #+end_src
> ----
>
> one could imagine more sinister scenarios for destination, content.
>
> i don't really know what, how much, to do.  possibly just an option,
> defaulting to =nil=, allowing tangle to write a file outside the subtree
> that holds the .org file being tangled.

Good point. Though not directly related to code execution.

In this particular case, we might be able to utilize Emacs' file
dialogues. For example, `write-file' can ask about overwriting an
existing file.

-- 
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:[~2023-01-03  9:52 UTC|newest]

Thread overview: 49+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-12-10 20:28 [PATCH] ob-core: add org-confirm-babel-evaluate-cell custom variable Tom Gillespie
2022-12-11  2:58 ` Max Nikulin
2022-12-11 20:27   ` Tom Gillespie
2022-12-11 20:37     ` Tom Gillespie
2022-12-11 20:46     ` Kyle Meyer
2022-12-11 21:08       ` Tom Gillespie
2022-12-12 10:20         ` Ihor Radchenko
2022-12-13  1:53           ` Tom Gillespie
2022-12-13  9:03             ` Ihor Radchenko
2022-12-13 16:31             ` Max Nikulin
2022-12-13 21:16               ` Tom Gillespie
2022-12-14 16:40                 ` Max Nikulin
2022-12-14 18:24                   ` Tom Gillespie
2022-12-15  9:18                     ` Ihor Radchenko
2022-12-15  9:25                       ` Tom Gillespie
2022-12-15  9:57                       ` tomas
2022-12-15  9:10                   ` Ihor Radchenko
2022-12-15 12:10                     ` Max Nikulin
2022-12-15 12:25                       ` Ihor Radchenko
2022-12-15 14:46                         ` Max Nikulin
2022-12-15 21:08                           ` Tim Cross
2022-12-16  6:07                             ` Ihor Radchenko
2022-12-16  7:22                               ` Tim Cross
2022-12-18 14:19                                 ` Ihor Radchenko
2022-12-18 21:37                                   ` Tim Cross
2022-12-20  0:00                                     ` Tom Gillespie
2022-12-20  0:06                                       ` Tom Gillespie
2022-12-25 11:00                                         ` Ihor Radchenko
2022-12-18 14:12                           ` Ihor Radchenko
2022-12-25 11:06             ` Ihor Radchenko
2022-12-29 15:58               ` Bastien Guerry
2022-12-29 16:33                 ` Max Nikulin
2022-12-29 16:35                 ` Ihor Radchenko
2022-12-30  8:52                   ` Bastien
2022-12-30 11:10                     ` Max Nikulin
2022-12-30 17:43                     ` Tom Gillespie
2022-12-31 13:48                       ` Ihor Radchenko
2022-12-31 16:15                         ` Tom Gillespie
2023-01-02  8:34                         ` [SECURITY] Arbitrary code evaluation security in Org (was: [PATCH] ob-core: add org-confirm-babel-evaluate-cell custom variable) Ihor Radchenko
2023-01-02 10:59                           ` [SECURITY] Arbitrary code evaluation security in Org Greg Minshall
2023-01-03  9:52                             ` Ihor Radchenko [this message]
2023-01-02 19:00                           ` [SECURITY] Arbitrary code evaluation security in Org (was: [PATCH] ob-core: add org-confirm-babel-evaluate-cell custom variable) Tim Cross
2023-01-03 11:00                             ` Ihor Radchenko
2023-01-07 13:12                               ` Ihor Radchenko
2023-01-02 15:13                         ` [PATCH] ob-core: add org-confirm-babel-evaluate-cell custom variable Bastien Guerry
2023-01-02 15:17                           ` Ihor Radchenko
2023-01-02 15:15                       ` Bastien
2022-12-13  4:16           ` Kyle Meyer
2022-12-13 16:15     ` Max Nikulin

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