CVE-2019-19520

Summary

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 Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional 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

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

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