PT-2023-4923 · Pypi+2 · Cryptography+2

Lkubb · Published 2023-07-14 · Updated 2024-09-18 · CVE-2023-38325

Positive Technologies (AI Summary)

CVSS v4.0

8.7

High

Base vector

AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

Name of the Vulnerable Software and Affected Versions cryptography package versions prior to 41.0.2

Description The issue is related to errors in the certificate authentication procedure, which can be exploited by a remote attacker to perform a man-in-the-middle attack. The problem arises from the mishandling of SSH certificates that have critical options.

Recommendations For versions prior to 41.0.2, update to version 41.0.2 or later to resolve the issue.

Exploit

Fix

Improper Certificate Validation

Weakness Enumeration

CWE-295

Related Identifiers

ALT-PU-2023-8071

ALT-PU-2023-8444

ALT-PU-2024-9926

BDU:2023-05436

CVE-2023-38325

GHSA-CF7P-GM2M-833M

OPENSUSE-SU-2024:13078-1

PYSEC-2023-112

Affected Products

Alt Linux

Red Os

Cryptography

References · 24

• 🔥 https://github.com/pyca/cryptography/issues/9207 · Exploit
• https://github.com/pyca/cryptography/pull/9208 · Vendor Advisory
• https://github.com/pyca/cryptography/compare/41.0.1...41.0.2 · Patch
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NMCCTYY3CSNQBFFYYC5DAV6KATHWCUZK · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/[e-mail]/message/NMCCTYY3CSNQBFFYYC5DAV6KATHWCUZK · Vendor Advisory
• https://osv.dev/vulnerability/PYSEC-2023-112 · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-05436 · Security Note
• https://osv.dev/vulnerability/GHSA-cf7p-gm2m-833m · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-38325 · Security Note
• https://osv.dev/vulnerability/CVE-2023-38325 · Vendor Advisory
• https://osv.dev/vulnerability/ALPINE-CVE-2023-38325 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2024:13078-1 · Vendor Advisory
• https://github.com/pyca/cryptography · Note
• https://github.com/pyca/cryptography/commit/1ca7adc97b76a9dfbd3d850628b613eb93b78fc3 · Note
• https://github.com/pyca/cryptography/pull/7960 · Note