CVE-2024-0397
Severity CVSS v4.0:
Pending analysis
Type:
CWE-362
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
Publication date:
17/06/2024
Last modified:
03/11/2025
Description
A defect was discovered in the Python “ssl” module where there is a memory<br />
race condition with the ssl.SSLContext methods “cert_store_stats()” and<br />
“get_ca_certs()”. The race condition can be triggered if the methods are<br />
called at the same time as certificates are loaded into the SSLContext,<br />
such as during the TLS handshake with a certificate directory configured.<br />
This issue is fixed in CPython 3.10.14, 3.11.9, 3.12.3, and 3.13.0a5.
Impact
Base Score 3.x
7.40
Severity 3.x
HIGH
References to Advisories, Solutions, and Tools
- http://www.openwall.com/lists/oss-security/2024/06/17/2
- https://github.com/python/cpython/commit/01c37f1d0714f5822d34063ca7180b595abf589d
- https://github.com/python/cpython/commit/29c97287d205bf2f410f4895ebce3f43b5160524
- https://github.com/python/cpython/commit/37324b421b72b7bc9934e27aba85d48d4773002e
- https://github.com/python/cpython/commit/542f3272f56f31ed04e74c40635a913fbc12d286
- https://github.com/python/cpython/commit/b228655c227b2ca298a8ffac44d14ce3d22f6faa
- https://github.com/python/cpython/commit/bce693111bff906ccf9281c22371331aaff766ab
- https://github.com/python/cpython/issues/114572
- https://github.com/python/cpython/pull/114573
- https://mail.python.org/archives/list/security-announce@python.org/thread/BMAK5BCGKYWNJOACVUSLUF6SFGBIM4VP/
- http://www.openwall.com/lists/oss-security/2024/06/17/2
- https://github.com/python/cpython/commit/01c37f1d0714f5822d34063ca7180b595abf589d
- https://github.com/python/cpython/commit/29c97287d205bf2f410f4895ebce3f43b5160524
- https://github.com/python/cpython/commit/37324b421b72b7bc9934e27aba85d48d4773002e
- https://github.com/python/cpython/commit/542f3272f56f31ed04e74c40635a913fbc12d286
- https://github.com/python/cpython/commit/b228655c227b2ca298a8ffac44d14ce3d22f6faa
- https://github.com/python/cpython/commit/bce693111bff906ccf9281c22371331aaff766ab
- https://github.com/python/cpython/issues/114572
- https://github.com/python/cpython/pull/114573
- https://lists.debian.org/debian-lts-announce/2024/12/msg00000.html
- https://mail.python.org/archives/list/security-announce@python.org/thread/BMAK5BCGKYWNJOACVUSLUF6SFGBIM4VP/
- https://security.netapp.com/advisory/ntap-20250411-0006/