SB2017111426 - Signature verification bypass in Microsoft Device Guard



SB2017111426 - Signature verification bypass in Microsoft Device Guard

Published: November 14, 2017

Security Bulletin ID SB2017111426
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Security feature bypass (CVE-ID: CVE-2017-11830)

The vulnerability allows a remote attacker to bypass certain security restrictions.

The vulnerability exists when Device Guard incorrectly validates an untrusted file. A remote attacker can make an unsigned file appear to be signed and trusted and trick the victim into executing it.



Remediation

Install update from vendor's website.