Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2023-49083

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.

Published

2023-11-29T19:15:07.967

Last Modified

2024-11-21T08:32:47.163

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 5.9 (MEDIUM)

Weaknesses

Type: Primary
CWE-476

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	cryptography.io	cryptography	< 41.0.6	Yes

References

https://github.com/pyca/cryptography/commit/f09c261ca10a31fe41b1262306db7f8f1da0e48a Patch ([email protected])
https://github.com/pyca/cryptography/pull/9926 Issue Tracking, Patch ([email protected])
https://github.com/pyca/cryptography/security/advisories/GHSA-jfhm-5ghh-2f97 Exploit, Vendor Advisory ([email protected])
https://lists.fedoraproject.org/archives/list/[email protected]/message/QMNTYMUGFJSDBYBU22FUYBHFRZODRKXV/ ([email protected])
https://github.com/pyca/cryptography/commit/f09c261ca10a31fe41b1262306db7f8f1da0e48a Patch (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/pyca/cryptography/pull/9926 Issue Tracking, Patch (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/pyca/cryptography/security/advisories/GHSA-jfhm-5ghh-2f97 Exploit, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/[email protected]/message/QMNTYMUGFJSDBYBU22FUYBHFRZODRKXV/ (af854a3a-2127-422b-91ae-364da2661108)