SB2019091020 - Privilege escalation in Microsoft Windows CLFS



SB2019091020 - Privilege escalation in Microsoft Windows CLFS

Published: September 10, 2019

Security Bulletin ID SB2019091020
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local 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) Buffer overflow (CVE-ID: CVE-2019-1214)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error within the Windows Common Log File System (CLFS) driver. A local user  can create a specially crafted application and execute arbitrary code on the system with elevated privileges.

Note, this vulnerability is being actively exploited in the wild.


Remediation

Install update from vendor's website.