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CVE-2019-19521

CRITICAL

9.8

Beschreibung

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).

CVE Details

CVSS v3.1 Bewertung9.8

SchweregradCRITICAL

CVSS VektorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AngriffsvektorNETWORK

KomplexitatLOW

Erforderliche PrivilegienNONE

BenutzerinteraktionNONE

Veroffentlicht12/5/2019

Zuletzt geandert11/21/2024

Quellenvd

Honeypot-Sichtungen0

Betroffene Produkte

openbsd:openbsd

Schwachen (CWE)

CWE-287

Referenzen

http://packetstormsecurity.com/files/155572/Qualys-Security-Advisory-OpenBSD-Authentication-Bypass-Privilege-Escalation.html(cve@mitre.org)

http://seclists.org/fulldisclosure/2019/Dec/14(cve@mitre.org)

http://www.openwall.com/lists/oss-security/2019/12/04/5(cve@mitre.org)

http://www.openwall.com/lists/oss-security/2019/12/04/6(cve@mitre.org)

https://seclists.org/bugtraq/2019/Dec/8(cve@mitre.org)

https://www.openbsd.org/errata66.html(cve@mitre.org)

https://www.openwall.com/lists/oss-security/2019/12/04/5(cve@mitre.org)

http://packetstormsecurity.com/files/155572/Qualys-Security-Advisory-OpenBSD-Authentication-Bypass-Privilege-Escalation.html(af854a3a-2127-422b-91ae-364da2661108)

http://seclists.org/fulldisclosure/2019/Dec/14(af854a3a-2127-422b-91ae-364da2661108)

http://www.openwall.com/lists/oss-security/2019/12/04/5(af854a3a-2127-422b-91ae-364da2661108)

http://www.openwall.com/lists/oss-security/2019/12/04/6(af854a3a-2127-422b-91ae-364da2661108)

https://seclists.org/bugtraq/2019/Dec/8(af854a3a-2127-422b-91ae-364da2661108)

https://www.openbsd.org/errata66.html(af854a3a-2127-422b-91ae-364da2661108)

https://www.openwall.com/lists/oss-security/2019/12/04/5(af854a3a-2127-422b-91ae-364da2661108)

IOC Korrelationen

Keine Korrelationen erfasst

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