SB2023011084 - Privilege escalation in Microsoft Windows SMB Witness Service



SB2023011084 - Privilege escalation in Microsoft Windows SMB Witness Service

Published: January 10, 2023

Security Bulletin ID SB2023011084
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) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2023-21549)

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

The vulnerability exists due to application does not properly impose security restrictions in Windows SMB Witness Service, which leads to security restrictions bypass and privilege escalation.


Remediation

Install update from vendor's website.