CVE-2024-49060: Azure Stack HCI Privilege Escalation

CVE-2024-49060 Overview

CVE-2024-49060 is an Elevation of Privilege vulnerability affecting Microsoft Azure Stack HCI. This vulnerability, associated with CWE-798 (Use of Hard-coded Credentials), allows a locally authenticated attacker with low privileges to escalate their access to achieve high impact on confidentiality, integrity, and availability within the affected system. The changed scope indicator means the vulnerability can affect resources beyond the vulnerable component's security scope.

Critical Impact

An attacker who successfully exploits this vulnerability could leverage hardcoded credentials to gain elevated privileges on Azure Stack HCI systems, potentially compromising the entire hyperconverged infrastructure environment.

Affected Products

• Microsoft Azure Stack HCI (all versions prior to security update)

Discovery Timeline

• 2024-11-15 - CVE-2024-49060 published to NVD
• 2025-01-23 - Last updated in NVD database

Technical Details for CVE-2024-49060

Vulnerability Analysis

This Elevation of Privilege vulnerability in Microsoft Azure Stack HCI stems from improper credential management within the platform. The vulnerability is classified under CWE-798 (Use of Hard-coded Credentials), indicating that the affected component contains embedded authentication credentials that should not be present in production code.

An attacker with local access and low-privilege authentication can exploit this flaw to escalate their privileges within the Azure Stack HCI environment. The attack does not require user interaction and has low complexity, making it accessible to attackers who have already gained initial foothold on the system. The changed scope means successful exploitation can impact resources beyond the vulnerable component's security boundary.

Root Cause

The root cause of CVE-2024-49060 is the presence of hardcoded credentials (CWE-798) within the Azure Stack HCI software. Hardcoded credentials represent a significant security risk as they cannot be changed by administrators without software updates, may be discoverable through reverse engineering or code analysis, and provide a persistent backdoor if discovered by attackers. This type of vulnerability undermines the entire authentication model of the affected system.

Attack Vector

The attack vector for CVE-2024-49060 is local, requiring the attacker to have existing access to the target system. The exploitation path involves:

1. Initial Access: Attacker obtains local access to an Azure Stack HCI node with low-privilege credentials
2. Credential Discovery: Attacker locates and extracts the hardcoded credentials through analysis of system components or configuration files
3. Privilege Escalation: Using the discovered credentials, the attacker authenticates with elevated privileges
4. Impact Realization: The attacker gains high-level access affecting confidentiality, integrity, and availability of the HCI environment and potentially connected resources

The vulnerability mechanism involves embedded credentials that cannot be easily rotated or disabled. Organizations should consult the Microsoft Security Update Guide for detailed technical information about the specific exploitation path and affected components.

Detection Methods for CVE-2024-49060

Indicators of Compromise

• Unusual authentication events using service accounts or system-level credentials on Azure Stack HCI nodes
• Unexpected privilege escalation events in Windows Security logs on HCI cluster nodes
• Anomalous administrative actions performed by previously low-privilege accounts
• Access attempts to sensitive HCI management interfaces from unexpected user contexts

Detection Strategies

• Enable and monitor Windows Security Event logs for Event ID 4672 (Special Privileges Assigned to New Logon) on all Azure Stack HCI nodes
• Implement User Entity Behavior Analytics (UEBA) to detect unusual privilege escalation patterns
• Monitor for credential access attempts and authentication anomalies using Microsoft Defender for Endpoint or SentinelOne
• Review Azure Stack HCI cluster logs for unauthorized configuration changes or management operations

Monitoring Recommendations

• Deploy SentinelOne agents across all Azure Stack HCI nodes for real-time threat detection and behavioral analysis
• Enable comprehensive auditing of authentication and authorization events within the HCI environment
• Implement centralized log collection and SIEM integration for correlated analysis of privilege escalation attempts
• Configure alerts for authentication events involving system-level or service accounts outside normal operational windows

How to Mitigate CVE-2024-49060

Immediate Actions Required

• Apply the Microsoft security update for Azure Stack HCI immediately through Windows Update or the Microsoft Update Catalog
• Review authentication logs on all Azure Stack HCI nodes for evidence of exploitation
• Implement network segmentation to limit lateral movement if a node is compromised
• Enable multi-factor authentication for all administrative access to HCI management interfaces
• Conduct a security audit of existing user privileges and remove unnecessary elevated access

Patch Information

Microsoft has released a security update to address CVE-2024-49060. Administrators should apply the patch through standard Windows Update mechanisms or download directly from the Microsoft Update Catalog. Detailed patch information and deployment guidance is available in the Microsoft Security Update Guide for CVE-2024-49060.

Workarounds

• Restrict local access to Azure Stack HCI nodes to only essential administrative personnel
• Implement Just-In-Time (JIT) administrative access to limit the window of exposure
• Monitor and alert on any local authentication attempts to HCI nodes from non-administrative accounts
• Consider implementing application whitelisting to prevent unauthorized code execution that could be used to extract credentials

# Example: Enable enhanced Windows Security auditing on Azure Stack HCI nodes
# Run on each HCI cluster node to improve detection capabilities

# Enable logon/logoff auditing
auditpol /set /subcategory:"Logon" /success:enable /failure:enable
auditpol /set /subcategory:"Special Logon" /success:enable /failure:enable

# Enable privilege use auditing
auditpol /set /subcategory:"Sensitive Privilege Use" /success:enable /failure:enable

# Enable process creation auditing (helps detect credential extraction tools)
auditpol /set /subcategory:"Process Creation" /success:enable /failure:enable