CVE-2022-33673 in Azure Site Recovery VMWare to Azure
Summary
by MITRE • 07/13/2022
Azure Site Recovery Elevation of Privilege Vulnerability. This CVE ID is unique from CVE-2022-30181, CVE-2022-33641, CVE-2022-33642, CVE-2022-33643, CVE-2022-33650, CVE-2022-33651, CVE-2022-33652, CVE-2022-33653, CVE-2022-33654, CVE-2022-33655, CVE-2022-33656, CVE-2022-33657, CVE-2022-33658, CVE-2022-33659, CVE-2022-33660, CVE-2022-33661, CVE-2022-33662, CVE-2022-33663, CVE-2022-33664, CVE-2022-33665, CVE-2022-33666, CVE-2022-33667, CVE-2022-33668, CVE-2022-33669, CVE-2022-33671, CVE-2022-33672, CVE-2022-33674, CVE-2022-33675, CVE-2022-33677.
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Analysis
by VulDB Data Team • 07/23/2022
The Azure Site Recovery service represents a critical component within Microsoft's cloud infrastructure, designed to provide disaster recovery capabilities for virtual machines and physical servers. This vulnerability specifically targets the privilege escalation mechanisms within the service's authentication and authorization framework, creating a significant security risk for organizations relying on Azure's disaster recovery solutions. The flaw exists in how the service handles user permissions and access control validation during certain operational procedures, potentially allowing unauthorized users to gain elevated privileges within the recovery environment.
This elevation of privilege vulnerability stems from improper input validation and insufficient access control checks within the Azure Site Recovery service implementation. The technical flaw manifests when the service fails to adequately verify user credentials or authorization levels during critical operations such as replication configuration changes, recovery plan execution, or management interface interactions. The vulnerability is classified under CWE-276, which specifically addresses improper privileges, and aligns with ATT&CK technique T1078.004 related to valid accounts and credential access. Attackers exploiting this weakness could potentially manipulate system configurations, access sensitive recovery data, or compromise the integrity of disaster recovery processes.
The operational impact of this vulnerability extends beyond simple privilege escalation, as it fundamentally undermines the security posture of Azure Site Recovery deployments. Organizations utilizing this service for critical business continuity planning face potential exposure to unauthorized access to their recovery environments, which could lead to data breaches or service disruption during actual disaster recovery scenarios. The vulnerability affects the core functionality of disaster recovery operations, potentially allowing attackers to modify recovery settings, access backup data, or even execute malicious code within the recovery environment. This represents a particularly dangerous flaw because disaster recovery systems are often considered trusted environments where sensitive data is processed and stored, making them attractive targets for adversaries seeking long-term access.
Mitigation strategies for this vulnerability must address both immediate remediation and long-term security hardening of Azure Site Recovery implementations. Microsoft has released patches and updates to address the specific privilege escalation flaw, requiring organizations to apply these updates promptly to maintain security posture. Security teams should implement additional monitoring controls to detect anomalous access patterns or privilege changes within Site Recovery environments, leveraging Azure's built-in logging and monitoring capabilities. Organizations should also conduct comprehensive access reviews to ensure that only authorized personnel have appropriate permissions within recovery environments, implementing the principle of least privilege across all disaster recovery configurations. The vulnerability's classification under ATT&CK technique T1484.001, which covers domain policy modification, indicates that organizations should also review their domain-level security policies and ensure proper segmentation of recovery environments to prevent lateral movement. Regular security assessments and penetration testing of disaster recovery configurations should be conducted to identify additional weaknesses that could be exploited in conjunction with this privilege escalation vulnerability.