A defect was discovered in the Python “ssl” module where there is a memory race condition with the ssl.SSLContext methods “cert_store_stats()” and “get_ca_certs()”. The race condition can be triggered if the methods are called at the same time as certificates are loaded into the SSLContext, such as during the TLS handshake with a certificate directory configured. This issue is fixed in CPython 3.10.14, 3.11.9, 3.12.3, and 3.13.0a5.
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describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2024-0397US | — | — | ||
A defect was discovered in the Python “ssl” module where there is a memory
race condition with the ssl.SSLContext methods “cert_store_stats()” and
“get_ca_certs()”. The race condit… | ||||
02
references
External citations — patches, advisories, analysis.
- http://www.openwall.com/lists/oss-security/2024/06/17/2WEB
- https://github.com/python/cpython/commit/01c37f1d0714f5822d34063ca7180b595abf589dFIX
- https://github.com/python/cpython/commit/29c97287d205bf2f410f4895ebce3f43b5160524FIX
- https://github.com/python/cpython/commit/37324b421b72b7bc9934e27aba85d48d4773002eFIX
- https://github.com/python/cpython/commit/542f3272f56f31ed04e74c40635a913fbc12d286FIX
- https://github.com/python/cpython/commit/b228655c227b2ca298a8ffac44d14ce3d22f6faaFIX
- https://github.com/python/cpython/commit/bce693111bff906ccf9281c22371331aaff766abFIX
- https://github.com/python/cpython/issues/114572REPORT
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