CVE-2024-45141
📋 TL;DR
CVE-2024-45141 is an out-of-bounds write vulnerability in Substance3D Stager that could allow arbitrary code execution when a user opens a malicious file. This affects users of Substance3D Stager versions 3.0.3 and earlier, requiring user interaction to trigger the exploit.
💻 Affected Systems
- Adobe Substance3D Stager
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise with attacker gaining full control of the user's system and potentially pivoting to other systems on the network.
Likely Case
Local privilege escalation leading to data theft, ransomware deployment, or persistence establishment on the affected system.
If Mitigated
Limited impact with proper application sandboxing and user privilege restrictions, potentially resulting in application crash only.
🎯 Exploit Status
Exploitation requires user interaction (opening malicious file) and knowledge of file format manipulation.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 3.0.4 or later
Vendor Advisory: https://helpx.adobe.com/security/products/substance3d_stager/apsb24-81.html
Restart Required: Yes
Instructions:
1. Open Substance3D Stager. 2. Go to Help > Check for Updates. 3. Install available updates. 4. Restart the application.
🔧 Temporary Workarounds
Restrict file processing
allConfigure application to only open trusted files from verified sources
Run with reduced privileges
allRun Substance3D Stager with limited user privileges to reduce impact
🧯 If You Can't Patch
- Restrict user permissions to limit damage from successful exploitation
- Implement application allowlisting to prevent unauthorized execution
🔍 How to Verify
Check if Vulnerable:
Check Substance3D Stager version in application settings or About dialogCheck Version:
Open Substance3D Stager and navigate to Help > About Substance3D StagerVerify Fix Applied:
Verify version is 3.0.4 or later after update installation📡 Detection & Monitoring
Log Indicators:
- Application crashes with memory access violations
- Unexpected file processing from untrusted sources
Network Indicators:
- Unusual outbound connections after file processing
SIEM Query:
EventID=1000 OR EventID=1001 AND ProcessName="Stager.exe" AND ExceptionCode="0xc0000005"