CVE-2019-19520

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

xlock in OpenBSD 6.6 allows local users to gain the privileges of the auth group by providing a LIBGL_DRIVERS_PATH environment variable, because xenocara/lib/mesa/src/loader/loader.c mishandles dlopen.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-863

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

http://packetstormsecurity.com/files/155572/Qualys-Security-Advisory-OpenBSD-Authentication-Bypass-Privilege-Escalation.htmlThird Party Advisory
http://seclists.org/fulldisclosure/2019/Dec/14Third Party Advisory
http://www.openwall.com/lists/oss-security/2019/12/04/5Exploit, Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2019/12/04/6Mailing List
https://seclists.org/bugtraq/2019/Dec/8Exploit, Mailing List, Third Party Advisory
https://www.openbsd.org/errata66.htmlVendor Advisory
https://www.openwall.com/lists/oss-security/2019/12/04/5Exploit, Mailing List, Third Party Advisory
http://packetstormsecurity.com/files/155572/Qualys-Security-Advisory-OpenBSD-Authentication-Bypass-Privilege-Escalation.htmlThird Party Advisory
http://seclists.org/fulldisclosure/2019/Dec/14Third Party Advisory
http://www.openwall.com/lists/oss-security/2019/12/04/5Exploit, Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2019/12/04/6Mailing List
https://seclists.org/bugtraq/2019/Dec/8Exploit, Mailing List, Third Party Advisory
https://www.openbsd.org/errata66.htmlVendor Advisory
https://www.openwall.com/lists/oss-security/2019/12/04/5Exploit, Mailing List, Third Party Advisory

Timeline

Published: Dec 5, 2019
Last modified: Jun 17, 2026
NVD status: Modified

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