CVE-2024-38116
📋 TL;DR
This vulnerability allows remote code execution through the Windows IP Routing Management Snapin. Attackers can exploit this to execute arbitrary code with SYSTEM privileges on affected Windows systems. All Windows systems with the vulnerable component are potentially affected.
💻 Affected Systems
- Windows Server
- Windows Client
📦 What is this software?
Windows 10 1507 by Microsoft
Windows 10 1607 by Microsoft
Windows 10 1809 by Microsoft
Windows 10 21h2 by Microsoft
Windows 10 22h2 by Microsoft
Windows 11 21h2 by Microsoft
Windows 11 22h2 by Microsoft
Windows 11 23h2 by Microsoft
Windows 11 24h2 by Microsoft
⚠️ Risk & Real-World Impact
Worst Case
Full system compromise with SYSTEM privileges leading to complete control of the Windows host, lateral movement across the network, and data exfiltration.
Likely Case
Attackers gain SYSTEM privileges on vulnerable systems, install malware, create backdoors, and pivot to other network resources.
If Mitigated
With proper network segmentation and least privilege, impact is limited to the compromised host with reduced lateral movement potential.
🎯 Exploit Status
Exploitation requires network access to the vulnerable service and may require some authentication or social engineering.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: July 2024 security updates
Vendor Advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-38116
Restart Required: Yes
Instructions:
1. Apply July 2024 Windows security updates via Windows Update. 2. For enterprise environments, deploy updates through WSUS or SCCM. 3. Restart affected systems after patch installation.
🔧 Temporary Workarounds
Disable IP Routing Management Snapin
windowsRemove or disable the vulnerable component if not required for operations
Remove-WindowsFeature -Name Routing
dism /online /disable-feature /featurename:Routing
Network Segmentation
allRestrict network access to systems running IP routing services
🧯 If You Can't Patch
- Implement strict network segmentation to isolate systems with IP routing services
- Apply principle of least privilege and monitor for suspicious activity on affected systems
🔍 How to Verify
Check if Vulnerable:
Check if July 2024 security updates are installed via 'systeminfo' or Windows Update history
Check Version:
systeminfo | findstr /B /C:"OS Name" /C:"OS Version"
Verify Fix Applied:
Verify KB5035857 (or later) is installed and system has been restarted
📡 Detection & Monitoring
Log Indicators:
- Unusual process creation from routing services
- Failed authentication attempts to routing components
- Unexpected network connections from routing service
Network Indicators:
- Suspicious traffic to/from routing service ports
- Anomalous network routing changes
SIEM Query:
EventID=4688 AND (ProcessName LIKE '%routing%' OR ParentProcessName LIKE '%routing%') AND CommandLine CONTAINS suspicious_pattern