9.8

CVE-2019-19521

Exploit
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).
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Openbsd ≫ Openbsd Version6.6
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 2.74% 0.842
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 9.8 3.9 5.9
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvd@nist.gov 7.5 10 6.4
AV:N/AC:L/Au:N/C:P/I:P/A:P
CWE-287 Improper Authentication

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

http://packetstormsecurity.com/files/155572/Qualys-Security-Advisory-OpenBSD-Authentication-Bypass-Privilege-Escalation.html
Third Party Advisory
http://seclists.org/fulldisclosure/2019/Dec/14
Third Party Advisory
http://www.openwall.com/lists/oss-security/2019/12/04/5
Third Party Advisory
Exploit
Mailing List
https://seclists.org/bugtraq/2019/Dec/8
Third Party Advisory
Exploit
Mailing List
https://www.openbsd.org/errata66.html
Vendor Advisory
https://www.openwall.com/lists/oss-security/2019/12/04/5
Third Party Advisory
Exploit
Mailing List
http://www.openwall.com/lists/oss-security/2019/12/04/6
Mailing List