CVE-2024-30008

5.5 MEDIUM

📋 TL;DR

This vulnerability in the Windows Desktop Window Manager (DWM) Core Library allows an attacker to read sensitive information from memory. It affects Windows systems where an attacker could gain access to kernel memory contents. This impacts Windows 10, 11, and Server versions with the vulnerable DWM component.

💻 Affected Systems

Products:
  • Windows Desktop Window Manager (DWM) Core Library
Versions: Windows 10 versions 21H2, 22H2; Windows 11 versions 21H2, 22H2, 23H2; Windows Server 2022
Operating Systems: Windows 10, Windows 11, Windows Server 2022
Default Config Vulnerable: ⚠️ Yes
Notes: Requires attacker to have local access and ability to execute code on target system.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

An attacker could read kernel memory containing sensitive information like passwords, encryption keys, or other system data, potentially leading to further system compromise.

🟠

Likely Case

Information disclosure of kernel memory contents that could aid in developing more sophisticated attacks or bypassing security mechanisms.

🟢

If Mitigated

Limited information disclosure with minimal impact if proper access controls and patching are implemented.

🌐 Internet-Facing: LOW - Requires local access or user interaction; not directly exploitable over network.
🏢 Internal Only: MEDIUM - Could be exploited by malicious insiders or through lateral movement after initial compromise.

🎯 Exploit Status

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

Requires local access and ability to execute code; no public exploit available as of current knowledge.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: May 2024 security updates (KB5037771 for Windows 11, KB5037765 for Windows 10)

Vendor Advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-30008

Restart Required: Yes

Instructions:

1. Open Windows Update settings. 2. Check for updates. 3. Install May 2024 security updates. 4. Restart system when prompted.

🔧 Temporary Workarounds

Restrict local user privileges

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Limit user accounts to standard user privileges to reduce attack surface

🧯 If You Can't Patch

  • Implement strict access controls and limit local administrative privileges
  • Monitor for suspicious local process activity and memory access attempts

🔍 How to Verify

Check if Vulnerable:

Check Windows version and update status via winver command or systeminfo

Check Version:

systeminfo | findstr /B /C:"OS Name" /C:"OS Version"

Verify Fix Applied:

Verify May 2024 security updates are installed via Windows Update history

📡 Detection & Monitoring

Log Indicators:

  • Unusual process creation events
  • Suspicious memory access patterns in security logs

Network Indicators:

  • Not network exploitable; focus on local system monitoring

SIEM Query:

Process Creation where (CommandLine contains "dwm" OR ParentImage contains "dwm") AND User contains "SYSTEM"

🔗 References

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