Detections
Analytics

CVE-2019-19520

high

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.

References

http://seclists.org/fulldisclosure/2019/Dec/14

http://packetstormsecurity.com/files/155572/Qualys-Security-Advisory-OpenBSD-Authentication-Bypass-Privilege-Escalation.html

https://github.com/retrymp3/Openbsd-Privilege-Escalation

https://www.openwall.com/lists/oss-security/2019/12/04/5

https://www.openbsd.org/errata66.html

https://seclists.org/bugtraq/2019/Dec/8

https://euvd.enisa.europa.eu/vulnerability/EUVD-2019-9138

http://www.openwall.com/lists/oss-security/2019/12/04/6

http://www.openwall.com/lists/oss-security/2019/12/04/5

Details

Source: Mitre, NVD

Published: 2019-12-05

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 4.6

Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 7.8

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

Severity: High

EPSS

EPSS: 0.01347