CVE-2019-19519

EUVD-2019-9137
In OpenBSD 6.6, local users can use the su -L option to achieve any login class (often excluding root) because there is a logic error in the main function in su/su.c.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.8 HIGH
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 27%
Affected Products (NVD)
VendorProductVersion
openbsdopenbsd
6.6
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
http://packetstormsecurity.com/files/155572/Qualys-Security-Advisory-OpenBSD-Authentication-Bypass-Privilege-Escalation.html
http://seclists.org/fulldisclosure/2019/Dec/14
http://www.openwall.com/lists/oss-security/2019/12/04/5
https://github.com/openbsd/src/blob/2dfc98f42e117c7605b52b5020b630d98601dc22/usr.bin/su/su.c#L210-L211
https://seclists.org/bugtraq/2019/Dec/8
https://www.openbsd.org/errata66.html
https://www.openwall.com/lists/oss-security/2019/12/04/5
http://packetstormsecurity.com/files/155572/Qualys-Security-Advisory-OpenBSD-Authentication-Bypass-Privilege-Escalation.html
http://seclists.org/fulldisclosure/2019/Dec/14
http://www.openwall.com/lists/oss-security/2019/12/04/5
https://github.com/openbsd/src/blob/2dfc98f42e117c7605b52b5020b630d98601dc22/usr.bin/su/su.c#L210-L211
https://seclists.org/bugtraq/2019/Dec/8
https://www.openbsd.org/errata66.html
https://www.openwall.com/lists/oss-security/2019/12/04/5