Vulnerability Description
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.
CVSS Score
HIGH
References
- http://www.openwall.com/lists/oss-security/2024/03/20/5
- https://github.com/python/cpython/commit/02a9259c717738dfe6b463c44d7e17f2b6d2cb3
- https://github.com/python/cpython/commit/5585334d772b253a01a6730e8202ffb1607c3d2
- https://github.com/python/cpython/commit/6ceb8aeda504b079fef7a57b8d81472f15cdd9a
- https://github.com/python/cpython/commit/81c16cd94ec38d61aa478b9a452436dc3b1b524
- https://github.com/python/cpython/commit/8eaeefe49d179ca4908d052745e3bb8b6f238f8
- https://github.com/python/cpython/commit/d54e22a669ae6e987199bb5d2c69bb5a46b0083
- https://github.com/python/cpython/issues/91133
- https://lists.debian.org/debian-lts-announce/2024/03/msg00025.html
- https://lists.fedoraproject.org/archives/list/[email protected]
- https://lists.fedoraproject.org/archives/list/[email protected]
- https://mail.python.org/archives/list/[email protected]/thread/Q5C6AT
- http://www.openwall.com/lists/oss-security/2024/03/20/5
- https://github.com/python/cpython/commit/02a9259c717738dfe6b463c44d7e17f2b6d2cb3
- https://github.com/python/cpython/commit/5585334d772b253a01a6730e8202ffb1607c3d2
FAQ
What is CVE-2023-6597?
CVE-2023-6597 is a vulnerability with a CVSS score of 7.8 (HIGH). 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...
How severe is CVE-2023-6597?
CVE-2023-6597 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-6597?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.