Arbitrary shell command evaluation in Org mode (GNU Emacs)
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From: Ihor Radchenko <yantar92 () posteo net>
Date: Sun, 23 Jun 2024 08:41:15 +0000
Hi,
Here is a vulnerability in Emacs Org mode.
Reproducer is the following .org file:
#+LINK: shell %(shell-command-to-string)
[[shell:touch ~/hacked.txt]]
When sent by email and previewed in Emacs or when opened in Emacs as a
file, the above Org file will evaluate "touch ~/hacked.txt" without any
prompts.
The fix is attached. It is against Org mode git repository.
The fix can be app...
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