SB2024100890 - Privilege escalation in Microsoft Remote Registry Service
Published: October 8, 2024 Updated: October 23, 2024
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Not Failing Securely ('Failing Open') (CVE-ID: CVE-2024-43532)
The vulnerability allows a remote user to escalate privileges in Active Directory domain.
The vulnerability exists due to the way the Remote Registry client handles RPC authentication during certain fallback scenarios when SMB transport is unavailable. A remote user can authenticated against the AD server, intercept the NTLM authentication handshake from the client and forward it to another service, such as the (ADCS), and create a new domain administrator.
Successful exploitation of the vulnerability may allows a domain user to take over the entire AD.
Remediation
Install update from vendor's website.