Windows Registry Elevation of Privilege Vulnerability

Vulnerability Description

An elevation of privilege vulnerability exists when the Windows Kernel API improperly handles registry objects in memory. An attacker who successfully exploited the vulnerability could gain elevated privileges on a targeted system. A locally authenticated attacker could exploit this vulnerability by running a specially crafted application. The security update addresses the vulnerability by helping to ensure that the Windows Kernel API properly handles objects in memory.

References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1377
• http://packetstormsecurity.com/files/158938/Microsoft-Windows-CmpDoReDoCreateKey-Arbitrary-Registry-Key-Creation-Privilege-Escalation.html