CVE-2022-24517

7.2 HIGH

📋 TL;DR

CVE-2022-24517 is a remote code execution vulnerability in Azure Site Recovery that allows authenticated attackers to execute arbitrary code on affected systems. This affects organizations using Azure Site Recovery for disaster recovery scenarios. Attackers could potentially gain control over recovery infrastructure components.

💻 Affected Systems

Products:
  • Azure Site Recovery
Versions: All versions prior to patched versions
Operating Systems: Windows Server (hosting Azure Site Recovery components)
Default Config Vulnerable: ⚠️ Yes
Notes: Requires authenticated access to Azure Site Recovery components. Cloud-based deployments may be automatically updated by Microsoft.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete compromise of Azure Site Recovery infrastructure leading to data exfiltration, ransomware deployment across recovery environments, and disruption of disaster recovery capabilities.

🟠

Likely Case

Unauthorized access to recovery infrastructure, potential data exposure, and lateral movement within the recovery environment.

🟢

If Mitigated

Limited impact due to network segmentation and proper access controls, with potential for detection and containment.

🌐 Internet-Facing: MEDIUM
🏢 Internal Only: HIGH

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: MEDIUM

Requires authenticated access to Azure Site Recovery. No public exploit code available as of knowledge cutoff.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Latest Azure Site Recovery updates

Vendor Advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-24517

Restart Required: Yes

Instructions:

1. Log into Azure Portal 2. Navigate to Recovery Services vaults 3. Check for available updates 4. Apply all recommended updates 5. Restart affected components as required

🔧 Temporary Workarounds

Network Segmentation

all

Restrict network access to Azure Site Recovery components to only authorized management networks

Access Control Hardening

all

Implement strict role-based access control and multi-factor authentication for all Azure Site Recovery administrative accounts

🧯 If You Can't Patch

  • Implement network segmentation to isolate Azure Site Recovery components from other critical systems
  • Enable enhanced monitoring and alerting for suspicious activities in Azure Site Recovery logs

🔍 How to Verify

Check if Vulnerable:

Check Azure Site Recovery component versions against Microsoft's security update guidance. Review Azure Security Center recommendations.

Check Version:

Check via Azure Portal: Recovery Services vaults -> Monitoring -> Updates

Verify Fix Applied:

Verify all Azure Site Recovery components show as updated in Azure Portal and no security alerts related to this CVE appear in Azure Security Center.

📡 Detection & Monitoring

Log Indicators:

  • Unusual authentication patterns to Azure Site Recovery
  • Unexpected process execution on recovery servers
  • Suspicious PowerShell or command execution

Network Indicators:

  • Unusual outbound connections from recovery servers
  • Traffic to unexpected external IPs from recovery infrastructure

SIEM Query:

AzureDiagnostics | where ResourceProvider == "MICROSOFT.RECOVERYSERVICES" | where OperationName contains "Execute" or OperationName contains "Run" | where ResultType != "Success"

🔗 References

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