SB2022011157 - Denial of service in Microsoft Windows Event Tracing Discretionary Access Control List



SB2022011157 - Denial of service in Microsoft Windows Event Tracing Discretionary Access Control List

Published: January 11, 2022

Security Bulletin ID SB2022011157
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Input validation error (CVE-ID: CVE-2022-21839)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in Windows Event Tracing Discretionary Access Control List. A local user can pass specially crafted input to the application and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.