Permissions, Privileges, and Access Controls in Windows and Windows Server - CVE-2019-0631

 

Permissions, Privileges, and Access Controls in Windows and Windows Server - CVE-2019-0631

Published: February 13, 2019


Vulnerability identifier: #VU17648
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-0631
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Microsoft
Affected software:
Windows
Windows Server

Detailed vulnerability description

The vulnerability allows a local user to bypass certain security restrictions.

The vulnerability exists due to an error in Device Guard that can circumvent a User Mode Code Integrity (UMCI) policy on the machine. A local user can create a specially crafted program, bypass the User Mode Code Integrity policy and executed malicious application on the system.


How to mitigate CVE-2019-0631

Install updates from vendor's website.

Sources