libc in OpenBSD 6.6 allows authentication bypass via the -schallenge username, as demonstrated by smtpd, ldapd, or radiusd. This is related to gen/auth_subr.c and gen/authenticate.c in libc (and login/login.c and xenocara/app/xenodm/greeter/verify.c).
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2019-12-04T23:33:35

Updated: 2024-08-05T02:16:47.981Z

Reserved: 2019-12-03T00:00:00

Link: CVE-2019-19521

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2019-12-05T00:15:11.400

Modified: 2019-12-12T15:55:07.857

Link: CVE-2019-19521

cve-icon Redhat

No data.