SB2018101010 - Security restrictions bypass in Microsoft Windows Device Guard



SB2018101010 - Security restrictions bypass in Microsoft Windows Device Guard

Published: October 10, 2018

Security Bulletin ID SB2018101010
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Data manipulation

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Code injection (CVE-ID: CVE-2018-8492)

The vulnerability allows a local attacker to bypass security restrictions on the target system.

The vulnerability exists due to an error when PowerShell exposes functions and processes user supplied code. A local attacker can inject code into a trusted PowerShell session to bypass the Device Guard Code Integrity policy on the local machine.


Remediation

Install update from vendor's website.