Critical · 9.8 CVE-2021-46880 EUVD-2021-33530GHSA-j4x4-2cc8-7274

x509/x509_verify.c in LibreSSL before 3.4.2, and OpenBSD before 7.0 errata 006, allows authentication bypass because an error for an unveri…

Published Apr 14, 2023 · Updated Feb 7, 2025 · Assigned by mitre

Description

x509/x509_verify.c in LibreSSL before 3.4.2, and OpenBSD before 7.0 errata 006, allows authentication bypass because an error for an unverified certificate chain is sometimes discarded.

Advisories 1

WID-SEC-2023-0981 LibreSSL: Schwachstelle ermöglicht Umgehen von Sicherheitsvorkehrungen BSI CERT-Bund (WID) · Apr 16, 2023

References

https://ftp.openbsd.org/pub/OpenBSD/LibreSSL/libressl-3.4.2-relnotes.txt
https://github.com/openbsd/src/commit/3f851282810fa0ab4b90b3b1ecec2e8717ef16f8
https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/006_x509.patch.sig
https://security.netapp.com/advisory/ntap-20230517-0006/

EUVD	v3.1	9.8
CISA-ADP	v3.1	9.8