NA

CVE-2023-49083

Published: 29/11/2023 Updated: 17/02/2024
CVSS v3 Base Score: 7.5 | Impact Score: 3.6 | Exploitability Score: 3.9
VMScore: 0

Vulnerability Summary

cryptography is a package designed to expose cryptographic primitives and recipes to Python developers. Calling `load_pem_pkcs7_certificates` or `load_der_pkcs7_certificates` could lead to a NULL-pointer dereference and segfault. Exploitation of this vulnerability poses a serious risk of Denial of Service (DoS) for any application attempting to deserialize a PKCS7 blob/certificate. The consequences extend to potential disruptions in system availability and stability. This vulnerability has been patched in version 41.0.6.

Vulnerability Trend

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cryptography project cryptography

Vendor Advisories

Debian Bug report logs - #1057108 python-cryptography: CVE-2023-49083 Package: src:python-cryptography; Maintainer for src:python-cryptography is Tristan Seligmann <mithrandi@debianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Wed, 29 Nov 2023 21:27:02 UTC Severity: important Tags: security, upst ...

Mailing Lists

<!--X-Body-Begin--> <!--X-User-Header--> oss-sec mailing list archives <!--X-User-Header-End--> <!--X-TopPNI--> By Date By Thread </form> <!--X-TopPNI-End--> <!--X-MsgBody--> <!--X-Subject-Header-Begin--> Python Cryptography advisory: CVE-2023-49083 NULL-dereference when loading PKCS7 certificates <!--X-Subject-Header-End--> <!-- ...