SB2022110822 - Privilege escalation in Microsoft Windows Kerberos RC4-HMAC



SB2022110822 - Privilege escalation in Microsoft Windows Kerberos RC4-HMAC

Published: November 8, 2022

Security Bulletin ID SB2022110822
Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2022-37966)

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

The vulnerability exists due to application does not properly impose security restrictions in Windows Kerberos RC4-HMAC. A remote attacker can conduct a man-in-middle (MiTM) attack, which leads to security restrictions bypass and privilege escalation.


Remediation

Install update from vendor's website.