Vulnerability Details : CVE-2023-6597
An issue was found in the CPython `tempfile.TemporaryDirectory` class affecting versions 3.12.1, 3.11.7, 3.10.13, 3.9.18, and 3.8.18 and prior.
The tempfile.TemporaryDirectory class would dereference symlinks during cleanup of permissions-related errors. This means users which can run privileged programs are potentially able to modify permissions of files referenced by symlinks in some circumstances.
Products affected by CVE-2023-6597
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Exploit prediction scoring system (EPSS) score for CVE-2023-6597
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 10 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-6597
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N |
1.4
|
5.8
|
Python Software Foundation | 2024-03-19 |
References for CVE-2023-6597
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https://github.com/python/cpython/commit/5585334d772b253a01a6730e8202ffb1607c3d25
[3.11] gh-91133: tempfile.TemporaryDirectory: fix symlink bug in clea… · python/cpython@5585334 · GitHub
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https://lists.debian.org/debian-lts-announce/2024/03/msg00025.html
[SECURITY] [DLA 3772-1] python3.7 security update
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https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/T3IGRX54M7RNCQOXVQO5KQKTGWCOABIM/
[SECURITY] Fedora 39 Update: python3.6-3.6.15-28.fc39 - package-announce - Fedora Mailing-Lists
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https://mail.python.org/archives/list/security-announce@python.org/thread/Q5C6ATFC67K53XFV4KE45325S7NS62LD/
Mailman 3 [CVE-2023-6597] tempfile.TemporaryDirectory dereferences symlinks during cleanup - Security-announce - python.org
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https://github.com/python/cpython/issues/91133
tempfile.TemporaryDirectory fails removing dir in some edge cases related to symlinks [CVE-2023-6597] · Issue #91133 · python/cpython · GitHub
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https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/U5VHWS52HGD743C47UMCSAK2A773M2YE/
[SECURITY] Fedora 40 Update: python3.6-3.6.15-30.fc40 - package-announce - Fedora Mailing-Lists
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https://github.com/python/cpython/commit/81c16cd94ec38d61aa478b9a452436dc3b1b524d
gh-91133: tempfile.TemporaryDirectory: fix symlink bug in cleanup (GH… · python/cpython@81c16cd · GitHub
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https://github.com/python/cpython/commit/6ceb8aeda504b079fef7a57b8d81472f15cdd9a5
[3.12] gh-91133: tempfile.TemporaryDirectory: fix symlink bug in clea… · python/cpython@6ceb8ae · GitHub
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http://www.openwall.com/lists/oss-security/2024/03/20/5
oss-security - Security fixes in Python 3.10.14, 3.9.19, and 3.8.19 (CVE-2023-6597 & CVE-2024-0450)
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https://github.com/python/cpython/commit/d54e22a669ae6e987199bb5d2c69bb5a46b0083b
[3.9] gh-91133: tempfile.TemporaryDirectory: fix symlink bug in clean… · python/cpython@d54e22a · GitHub
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https://github.com/python/cpython/commit/8eaeefe49d179ca4908d052745e3bb8b6f238f82
[3.10] gh-91133: tempfile.TemporaryDirectory: fix symlink bug in clea… · python/cpython@8eaeefe · GitHub
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https://github.com/python/cpython/commit/02a9259c717738dfe6b463c44d7e17f2b6d2cb3a
[3.8] gh-91133: tempfile.TemporaryDirectory: fix symlink bug in clean… · python/cpython@02a9259 · GitHub
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