Description
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).
Published: 2019-12-04
Score: 9.8 Critical
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2019-9139 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:

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

Reserved: 2019-12-03T00:00:00.000Z

Link: CVE-2019-19521

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

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

Modified: 2024-11-21T04:34:52.850

Link: CVE-2019-19521

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses