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CVE-2024-0397

Public on 2024-06-17
Modified on 2024-06-19
Description
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.
Severity
Medium severity
Medium
CVSS v3 Base Score
4.8
See breakdown
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Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 2 - Core python3 Pending Fix
Amazon Linux 2023 python3.11 2024-12-05 ALAS2023-2024-788 Fixed
Amazon Linux 2023 python3.9 2024-08-01 ALAS2023-2024-699 Fixed
Amazon Linux 1 python35 No Fix Planned
Amazon Linux 1 python36 No Fix Planned
Amazon Linux 2 - Python3.8 Extra python38 2024-11-08 ALAS2PYTHON3.8-2024-016 Fixed

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 4.8 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L
NVD CVSSv3 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H