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 products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- https://www.openwall.com/lists/oss-security/2019/12/04/5 ↗
- https://www.openbsd.org/errata66.html ↗
- http://www.openwall.com/lists/oss-security/2019/12/04/6 ↗
- http://www.openwall.com/lists/oss-security/2019/12/04/5 ↗
- https://seclists.org/bugtraq/2019/Dec/8 ↗
- http://packetstormsecurity.com/files/155572/Qualys-Security-Advisory-OpenBSD-Authentication-Bypass-Privilege-Escalation.html ↗
- http://seclists.org/fulldisclosure/2019/Dec/14 ↗