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Alerts This Week
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Mageia 9 MGASA-2025-0069 moderate: python-cryptography NULL pointer attack

mageia
Calendar Grey February 17, 2025
Dist Mageia Esm H88
Revamped python-cryptography and openssl libraries rectify significant security threats in Mageia.
Cryptography vulnerable to NULL-dereference when loading PKCS7 certificates

Summary

Cryptography vulnerable to NULL-dereference when loading PKCS7 certificates. (CVE-2023-49083) Python-cryptography: bleichenbacher timing oracle attack against rsa decryption - incomplete fix for cve-2020-25659. (CVE-2023-50782) Cryptography NULL pointer deference with pkcs12.serialize_key_and_certificates when called with a non-matching certificate and private key and an hmac_hash override. (CVE-2024-26130)

References

- https://bugs.mageia.org/show_bug.cgi?id=32584

- https://www.openwall.com/lists/oss-security/2023/11/29/2

- https://ubuntu.com/security/notices/USN-6673-1

- https://ubuntu.com/security/notices/USN-6673-3

- https://www.cve.org/CVERecord?id=CVE-2023-49083

- https://www.cve.org/CVERecord?id=CVE-2023-50782

- https://www.cve.org/CVERecord?id=CVE-2024-26130

Topics%20covered

Topics Covered

security advisory timing attack NULL pointer cryptography openssl openssl update certificate issue Mageia mageia python-cryptography NULL dereference crypto issues

Resolution

SRPMS

- 9/core/openssl-3.0.15-1.3.mga9

- 9/core/python-cryptography-39.0.1-1.1.mga9

Severity
important
Lowest
Low
Medium
High
Critical

Publication date: 17 Feb 2025
URL: https://advisories.mageia.org/MGASA-2025-0069.html
Type: security
CVE: CVE-2023-49083, CVE-2023-50782, CVE-2024-26130

Topics%20covered

Topics Covered

security advisory timing attack NULL pointer cryptography openssl openssl update certificate issue Mageia mageia python-cryptography NULL dereference crypto issues

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