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CVE-2019-19522

CVE-2019-19522

EPSS 0.5%
OpenBSD 6.6, in a non-default configuration where S/Key or YubiKey authentication is enabled, allows local users to become root by leveraging membership in the auth group. This occurs because root's file can be written to /etc/skey or /var/db/yubikey, and need not be owned by root.
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/2019/12/04/5