CVE-2019-19520

Published: Dec 5, 2019Modified: Nov 21, 2024

7.8

Vector

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

Exploitability: 1.8 / Impact: 5.9

Source: NVD

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.

Affected (1)

Products: Openbsd: Openbsd

Openbsd

1 product

Openbsd

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Openbsd Openbsd	Version 6.6

Related CWEs

CWE-863

Incorrect Authorization

The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions.

References (14)

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

Source: cve@mitre.org

Third Party Advisory

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

Source: cve@mitre.org

Third Party Advisory

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

Source: cve@mitre.org

ExploitMailing ListThird Party Advisory

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

Source: cve@mitre.org

Mailing List

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

Source: cve@mitre.org

ExploitMailing ListThird Party Advisory

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

Source: cve@mitre.org

Vendor Advisory

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

Source: cve@mitre.org

ExploitMailing ListThird Party Advisory

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