CVE-2024-30013
📋 TL;DR
CVE-2024-30013 is a double-free vulnerability (CWE-415) in Windows MultiPoint Services that allows remote attackers to execute arbitrary code on affected systems. This affects Windows Server systems running MultiPoint Services, potentially enabling complete system compromise. Attackers can exploit this without authentication over the network.
💻 Affected Systems
- Windows MultiPoint Services
📦 What is this software?
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
⚠️ Risk & Real-World Impact
Worst Case
Complete system takeover with administrative privileges, enabling data theft, ransomware deployment, lateral movement, and persistent backdoor installation.
Likely Case
Remote code execution leading to malware installation, credential harvesting, and initial access for further network exploitation.
If Mitigated
Limited impact with proper network segmentation, but still potential for service disruption if exploited.
🎯 Exploit Status
Microsoft rates this as 'Exploitation More Likely' based on CVSS and vulnerability characteristics. No public exploits confirmed as of analysis date.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: May 2024 security updates (KB5037765 for Server 2022, KB5037763 for Server 2019, KB5037761 for Server 2016)
Vendor Advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-30013
Restart Required: Yes
Instructions:
1. Apply May 2024 Windows Server security updates via Windows Update. 2. Restart affected servers. 3. Verify patch installation via 'systeminfo' command.
🔧 Temporary Workarounds
Disable MultiPoint Services
windowsRemove or disable the MultiPoint Services role if not required for business operations
Remove-WindowsFeature -Name MultiPoint-Services
Network Segmentation
allRestrict network access to MultiPoint Services ports (default TCP 3351, 3389)
🧯 If You Can't Patch
- Implement strict network access controls to limit connections to MultiPoint Services only from trusted sources
- Deploy application control solutions to prevent unauthorized code execution and monitor for suspicious MultiPoint Services activity
🔍 How to Verify
Check if Vulnerable:
Check if MultiPoint Services role is installed: 'Get-WindowsFeature -Name MultiPoint-Services' and verify Windows Server version is 2016/2019/2022Check Version:
systeminfo | findstr /B /C:"OS Name" /C:"OS Version"Verify Fix Applied:
Verify May 2024 security updates are installed: 'Get-HotFix -Id KB5037765, KB5037763, KB5037761' or check 'systeminfo' for update installation date📡 Detection & Monitoring
Log Indicators:
- Unusual MultiPoint Services process creation
- Failed authentication attempts to MultiPoint Services
- Unexpected service restarts or crashes
Network Indicators:
- Unusual traffic to TCP port 3351 (MultiPoint Services)
- Suspicious RPC calls to MultiPoint Services endpoints
- Anomalous network connections from MultiPoint Services server
SIEM Query:
source="Windows Security" EventID=4688 AND (NewProcessName="*multipoint*" OR ParentProcessName="*multipoint*")