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gh-118486: Update docs for CVE-2024-4030 reference by zooba · Pull Request #118737 · python/cpython · GitHub

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gh-118486: Update docs for CVE-2024-4030 reference #118737

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Merged
zooba merged 1 commit into from
May 8, 2024
Conversation 2 Commits 1 Checks 0 Files changed
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gh-118486: Update docs for CVE-2024-4030 reference #118737

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14 changes: 14 additions & 0 deletions Doc/whatsnew/3.13.rst
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Expand Up @@ -847,6 +847,12 @@ os
:c:func:`!posix_spawn_file_actions_addclosefrom_np`.
(Contributed by Jakub Kulik in :gh:`113117`.)

* :func:`os.mkdir` and :func:`os.makedirs` on Windows now support passing a
*mode* value of ``0o700`` to apply access control to the new directory. This
implicitly affects :func:`tempfile.mkdtemp` and is a mitigation for
:cve:`2024-4030`. Other values for *mode* continue to be ignored.
(Contributed by Steve Dower in :gh:`118486`.)

os.path
-------

Expand Down Expand Up @@ -989,6 +995,14 @@ sys
This function is not guaranteed to exist in all implementations of Python.
(Contributed by Serhiy Storchaka in :gh:`78573`.)

tempfile
--------

* On Windows, the default mode ``0o700`` used by :func:`tempfile.mkdtemp` now
limits access to the new directory due to changes to :func:`os.mkdir`. This
is a mitigation for :cve:`2024-4030`.
(Contributed by Steve Dower in :gh:`118486`.)

time
----

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4 changes: 4 additions & 0 deletions Misc/NEWS.d/next/Security/2024-05-01-20-57-09.gh-issue-118486.K44KJG.rst
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@@ -0,0 +1,4 @@
:func:`os.mkdir` on Windows now accepts *mode* of ``0o700`` to restrict
the new directory to the current user. This fixes :cve:`2024-4030`
affecting :func:`tempfile.mkdtemp` in scenarios where the base temporary
directory is more permissive than the default.
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