SB2022011157 - Denial of service in Microsoft Windows Event Tracing Discretionary Access Control List
Published: January 11, 2022
Security Bulletin ID
SB2022011157
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Input validation error (CVE-ID: CVE-2022-21839)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
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.