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Description
On Windows a directory returned by tempfile.mkdtemp() would not always have permissions set to restrict reading and writing to the temporary directory by other users, instead usually inheriting the correct permissions from the default location. Alternate configurations or users without a profile directory may not have the intended permissions.
If you’re not using Windows or haven’t changed the temporary directory location then you aren’t affected by this vulnerability. On other platforms the returned directory is consistently readable and writable only by the current user.
This issue was caused by Python not supporting Unix permissions on Windows. The fix adds support for Unix “700” for the mkdir function on Windows which is used by mkdtemp() to ensure the newly created directory has the proper permissions.
Metrics
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CVE Modified by Python Software Foundation9/06/2024 11:15:09 PM
Action
Type
Old Value
New Value
Changed
Description
On Windows a directory returned by tempfile.mkdtemp() would not always have permissions set to restrict reading and writing to the temporary directory by other users, instead usually inheriting the correct permissions from the default location. Alternate configurations or users without a profile directory may not have the intended permissions.
If you’re not using Windows or haven’t changed the temporary directory location then you aren’t affected by this vulnerability. On other platforms the returned directory is consistently readable and writable only by the current user.
This issue was caused by Python not supporting Unix permissions on Windows. The fix adds support for Unix “700” for the mkdir function on Windows which is used by mkdtemp() to ensure the newly created directory has the proper permissions.
On Windows a directory returned by tempfile.mkdtemp() would not always have permissions set to restrict reading and writing to the temporary directory by other users, instead usually inheriting the correct permissions from the default location. Alternate configurations or users without a profile directory may not have the intended permissions.
If you’re not using Windows or haven’t changed the temporary directory location then you aren’t affected by this vulnerability. On other platforms the returned directory is consistently readable and writable only by the current user.
This issue was caused by Python not supporting Unix permissions on Windows. The fix adds support for Unix “700” for the mkdir function on Windows which is used by mkdtemp() to ensure the newly created directory has the proper permissions.
CVE Modified by Python Software Foundation7/05/2024 12:15:05 PM
Action
Type
Old Value
New Value
Added
Reference
Python Software Foundation https://security.netapp.com/advisory/ntap-20240705-0005/ [No types assigned]
CVE Modified by CISA-ADP7/02/2024 10:07:00 PM
Action
Type
Old Value
New Value
Added
CVSS V3.1
CISA-ADP AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
CVE Modified by Python Software Foundation6/13/2024 4:15:15 PM
Action
Type
Old Value
New Value
Added
Reference
Python Software Foundation https://github.com/python/cpython/commit/35c799d79177b962ddace2fa068101465570a29a [No types assigned]
Added
Reference
Python Software Foundation https://github.com/python/cpython/commit/5130731c9e779b97d00a24f54cdce73ce9975dfd [No types assigned]
Added
Reference
Python Software Foundation https://github.com/python/cpython/commit/66f8bb76a15e64a1bb7688b177ed29e26230fdee [No types assigned]
Added
Reference
Python Software Foundation https://github.com/python/cpython/commit/6d0850c4c8188035643586ab4d8ec2468abd699e [No types assigned]
Added
Reference
Python Software Foundation https://github.com/python/cpython/commit/91e3669e01245185569d09e9e6e11641282971ee [No types assigned]
Added
Reference
Python Software Foundation https://github.com/python/cpython/commit/94591dca510c796c7d40e9b4167ea56f2fdf28ca [No types assigned]
Added
Reference
Python Software Foundation https://github.com/python/cpython/commit/c8f868dc52f98011d0f9b459b6487920bfb0ac4d [No types assigned]
Added
Reference
Python Software Foundation https://github.com/python/cpython/commit/d86b49411753bf2c83291e3a14ae43fefded2f84 [No types assigned]
Added
Reference
Python Software Foundation https://github.com/python/cpython/commit/e1dfa978b1ad210d551385ad8073ec6154f53763 [No types assigned]
Added
Reference
Python Software Foundation https://github.com/python/cpython/commit/eb29e2f5905da93333d1ce78bc98b151e763ff46 [No types assigned]
CVE Modified by Python Software Foundation5/14/2024 11:42:43 AM
Action
Type
Old Value
New Value
CVE Modified by Python Software Foundation5/07/2024 6:15:07 PM
Action
Type
Old Value
New Value
Added
Reference
Python Software Foundation https://github.com/python/cpython/commit/81939dad77001556c527485d31a2d0f4a759033e [No types assigned]
Added
Reference
Python Software Foundation https://github.com/python/cpython/commit/8ed546679524140d8282175411fd141fe7df070d [No types assigned]
New CVE Received from Python Software Foundation5/07/2024 5:15:09 PM
Action
Type
Old Value
New Value
Added
Description
On Windows a directory returned by tempfile.mkdtemp() would not always have permissions set to restrict reading and writing to the temporary directory by other users, instead usually inheriting the correct permissions from the default location. Alternate configurations or users without a profile directory may not have the intended permissions.
If you’re not using Windows or haven’t changed the temporary directory location then you aren’t affected by this vulnerability. On other platforms the returned directory is consistently readable and writable only by the current user.
This issue was caused by Python not supporting Unix permissions on Windows. The fix adds support for Unix “700” for the mkdir function on Windows which is used by mkdtemp() to ensure the newly created directory has the proper permissions.
Added
CWE
Python Software Foundation CWE-276
Added
Reference
Python Software Foundation https://github.com/python/cpython/issues/118486 [No types assigned]
Added
Reference
Python Software Foundation https://mail.python.org/archives/list/[email protected]/thread/PRGS5OR3N3PNPT4BMV2VAGN5GMUI5636/ [No types assigned]
Quick Info
CVE Dictionary Entry: CVE-2024-4030 NVD
Published Date: 05/07/2024 NVD
Last Modified: 04/14/2026
Source: Python Software Foundation
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