SB2017091234 - Security restrictions bypass in Device Guard in Windows



SB2017091234 - Security restrictions bypass in Device Guard in Windows

Published: September 12, 2017

Security Bulletin ID SB2017091234
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Physical 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) Security restrictions bypass (CVE-ID: CVE-2017-8746)

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

The vulnerability exists due to an error in Device Guard. A local attacker can inject code into a trusted PowerShell process that is trusted by the Code Integrity policy and bypass the Device Guard Code Integrity policy on the local machine.


Remediation

Install update from vendor's website.