CVEvulnerability
CVE-2019-19522
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2019-12-05
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.2 HIGH — AV:L/AC:L/Au:N/C:C/I:C/A:C
- Weaknesses
- CWE-732
Description
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.
Affected configurations
• openbsd openbsd 6.6
Related
Weakness · CWE (1)
- CWE-732 Incorrect Permission Assignment for Critical Resource weakness
References
- 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 Exploit, Mailing List, Third Party Advisory
- https://seclists.org/bugtraq/2019/Dec/8 Exploit, Mailing List, Third Party Advisory
- https://www.openbsd.org/errata66.html Vendor Advisory
- https://www.openwall.com/lists/oss-security/2019/12/04/5 Exploit, Mailing List, Third Party Advisory
- 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 Exploit, Mailing List, Third Party Advisory
- https://seclists.org/bugtraq/2019/Dec/8 Exploit, Mailing List, Third Party Advisory
- https://www.openbsd.org/errata66.html Vendor Advisory
- https://www.openwall.com/lists/oss-security/2019/12/04/5 Exploit, Mailing List, Third Party Advisory