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CVE-2019-19521

CVE-2019-19521

EPSS 2.7%
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).
Productos afectados
n/a · n/a

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Referencias
http://packetstormsecurity.com/files/155572/Qualys-Security-Advisory-OpenBSD-Authentication-Bypass-Privilege-Escalation.htmlhttp://seclists.org/fulldisclosure/2019/Dec/14https://seclists.org/bugtraq/2019/Dec/8https://www.openbsd.org/errata66.htmlhttps://www.openwall.com/lists/oss-security/2019/12/04/5http://www.openwall.com/lists/oss-security/2019/12/04/5http://www.openwall.com/lists/oss-security/2019/12/04/6