CVE-2019-19520
First published: Thu Dec 05 2019(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Openbsd Openbsd | =6.6 |
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Reference Links
- http://packetstormsecurity.com/files/155572/Qualys-Security-Advisory-OpenBSD-Authentication-Bypass-Privilege-Escalation.html
- http://seclists.org/fulldisclosure/2019/Dec/14
- http://www.openwall.com/lists/oss-security/2019/12/04/5
- http://www.openwall.com/lists/oss-security/2019/12/04/6
- https://seclists.org/bugtraq/2019/Dec/8
- https://www.openbsd.org/errata66.html
- https://www.openwall.com/lists/oss-security/2019/12/04/5
Frequently Asked Questions
What is CVE-2019-19520?
CVE-2019-19520 is a vulnerability in xlock in OpenBSD 6.6 that allows local users to gain the privileges of the auth group by providing a LIBGL_DRIVERS_PATH environment variable.
How does CVE-2019-19520 impact OpenBSD 6.6?
CVE-2019-19520 allows local users to escalate their privileges and gain the privileges of the auth group in OpenBSD 6.6.
What is the severity of CVE-2019-19520?
CVE-2019-19520 has a severity score of 7.8, which is considered high.
How can I fix CVE-2019-19520 in OpenBSD 6.6?
To fix CVE-2019-19520 in OpenBSD 6.6, it is recommended to update to a patched version of xlock or apply the necessary security patches.
Where can I find more information about CVE-2019-19520?
You can find more information about CVE-2019-19520 in the following references: [link1], [link2], [link3].
- collector/nvd-index
- vendor/openbsd
- canonical/openbsd openbsd
- version/openbsd openbsd/6.6