upstream/ipython Files · IPython/testing/tests/__init__.py

Fix CVE-2023-24816 by removing legacy code....

Fix CVE-2023-24816 by removing legacy code. Remove legacy code that might trigger a CVE. Currently set_term_title is only called with (semi-)trusted input that contain the current working directory of the current IPython session. If an attacker can control directory names, and manage to get a user cd into this directory the attacker can execute arbitrary commands contained in the folder names. Example: - On a windows machine where python is built without _ctypes, create a folder called && echo "pwn" > pwn.txt. This can be done by for example cloning a git repository. - call toggled_set_term_title(True), (or have the preference to true) - Open IPython and cd into this directory. - the folder now contain a pwn.txt, with pwn as content, despite the user not asking for any code execution. Workaround: Set the configuration option c.TerminalInteractiveShell.term_title_format='IPython' (or to any other fixed, safe string).

Brian E Granger - - Load All Authors

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      # encoding: utf-8

      __docformat__ = "restructuredtext en"

      #-------------------------------------------------------------------------------

      #       Copyright (C) 2005  Fernando Perez <fperez@colorado.edu>

      #                           Brian E Granger <ellisonbg@gmail.com>

      #                           Benjamin Ragan-Kelley <benjaminrk@gmail.com>

      #

      #  Distributed under the terms of the BSD License.  The full license is in

      #  the file COPYING, distributed as part of this software.

      #-------------------------------------------------------------------------------

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				# encoding: utf-8
				__docformat__ = "restructuredtext en"
				#-------------------------------------------------------------------------------
				# Copyright (C) 2005 Fernando Perez <fperez@colorado.edu>
				# Brian E Granger <ellisonbg@gmail.com>
				# Benjamin Ragan-Kelley <benjaminrk@gmail.com>
				#
				# Distributed under the terms of the BSD License. The full license is in
				# the file COPYING, distributed as part of this software.
				#-------------------------------------------------------------------------------