SB2018050814 - Security Feature Bypass in Microsoft .NET Framework



SB2018050814 - Security Feature Bypass in Microsoft .NET Framework

Published: May 8, 2018

Security Bulletin ID SB2018050814
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Security Feature Bypass (CVE-ID: CVE-2018-1039)

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

The vulnerability exists due to an error in .Net Framework when processing COM objects. A local user can circumvent a User Mode Code Integrity (UMCI) policy on the machine and bypass Device Guard with a specially crafted application.


Remediation

Install update from vendor's website.