CVE-2019-19519

Summary

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.

Affected Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional References

• https://www.openwall.com/lists/oss-security/2019/12/04/5
• https://www.openbsd.org/errata66.html
• https://github.com/openbsd/src/blob/2dfc98f42e117c7605b52b5020b630d98601dc22/usr.bin/su/su.c#L210-L211
• http://www.openwall.com/lists/oss-security/2019/12/04/5
• https://seclists.org/bugtraq/2019/Dec/8
• http://packetstormsecurity.com/files/155572/Qualys-Security-Advisory-OpenBSD-Authentication-Bypass-Privilege-Escalation.html
• http://seclists.org/fulldisclosure/2019/Dec/14

References

• https://www.openwall.com/lists/oss-security/2019/12/04/5
• https://www.openbsd.org/errata66.html
• https://github.com/openbsd/src/blob/2dfc98f42e117c7605b52b5020b630d98601dc22/usr.bin/su/su.c#L210-L211
• http://www.openwall.com/lists/oss-security/2019/12/04/5
• https://seclists.org/bugtraq/2019/Dec/8
• http://packetstormsecurity.com/files/155572/Qualys-Security-Advisory-OpenBSD-Authentication-Bypass-Privilege-Escalation.html
• http://seclists.org/fulldisclosure/2019/Dec/14

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