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VULNERABILITIES

CVE-2019-19522 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
http://packetstormsecurity.com/files/155572/Qualys-Security-Advisory-OpenBSD-Authentication-Bypass-Privilege-Escalation.html CVEThird Party Advisory
http://seclists.org/fulldisclosure/2019/Dec/14 CVEThird Party Advisory
https://seclists.org/bugtraq/2019/Dec/8 CVEExploitMailing ListThird Party Advisory
https://www.openbsd.org/errata66.html CVEVendor Advisory
https://www.openwall.com/lists/oss-security/2019/12/04/5 CVEExploitMailing ListThird Party Advisory

see all 12 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-732Incorrect Permission Assignment for Critical Resource[email protected]

Affected Products

ProductVersions
openbsd openbsd
6.6

CPE

  • cpe:2.3:o:openbsd:openbsd:6.6:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

9 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2019-19522
NVD Published Date:
Dec 5, 2019
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]