CVE-2019-19521

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Summary

CVECVE-2019-19521
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2019-12-05 00:15:00 UTC
Updated2019-12-12 15:55:00 UTC
Descriptionlibc 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).

Risk And Classification

Problem Types: CWE-287

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Openbsd Openbsd 6.6 All All All
Operating System Openbsd Openbsd 6.6 All All All

References

ReferenceSourceLinkTags
oss-security - Re: Authentication vulnerabilities in OpenBSD MLIST www.openwall.com Mailing List
Qualys Security Advisory - OpenBSD Authentication Bypass / Privilege Escalation ≈ Packet Storm MISC packetstormsecurity.com Third Party Advisory
oss-security - Authentication vulnerabilities in OpenBSD MLIST www.openwall.com Exploit, Mailing List, Third Party Advisory
Bugtraq: Authentication vulnerabilities in OpenBSD BUGTRAQ seclists.org Exploit, Mailing List, Third Party Advisory
oss-security - Authentication vulnerabilities in OpenBSD MISC www.openwall.com Exploit, Mailing List, Third Party Advisory
Full Disclosure: Authentication vulnerabilities in OpenBSD FULLDISC seclists.org Third Party Advisory
OpenBSD 6.6 Errata MISC www.openbsd.org Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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