CVE-2024-41864
📋 TL;DR
CVE-2024-41864 is an out-of-bounds write vulnerability in Substance3D Designer that could allow arbitrary code execution when a user opens a malicious file. This affects users of Substance3D Designer versions 13.1.2 and earlier, requiring user interaction to trigger the exploit.
💻 Affected Systems
- Adobe Substance3D Designer
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise with attacker gaining full control of the victim's computer in the context of the current user, potentially leading to data theft, ransomware deployment, or lateral movement within the network.
Likely Case
Local privilege escalation or malware installation on the affected system, with attackers using crafted Substance3D Designer files as initial access vectors.
If Mitigated
Limited impact with proper application sandboxing, file validation, and user awareness preventing malicious file execution.
🎯 Exploit Status
Exploitation requires user interaction (opening malicious file) and knowledge of file format manipulation. No public exploits known as of advisory publication.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 13.1.3 or later
Vendor Advisory: https://helpx.adobe.com/security/products/substance3d_designer/apsb24-67.html
Restart Required: Yes
Instructions:
1. Open Substance3D Designer. 2. Go to Help > Check for Updates. 3. Install available updates to version 13.1.3 or later. 4. Restart the application.
🔧 Temporary Workarounds
Restrict file handling
allBlock or quarantine suspicious Substance3D Designer files (.sbs, .sbsar) from untrusted sources
Application control
allUse application whitelisting to restrict execution of Substance3D Designer to trusted users only
🧯 If You Can't Patch
- Implement strict file validation policies for Substance3D Designer files from external sources
- Run Substance3D Designer with reduced privileges or in isolated environments
🔍 How to Verify
Check if Vulnerable:
Check Substance3D Designer version in application (Help > About) - if version is 13.1.2 or earlier, system is vulnerable.Check Version:
On Windows: Check application properties or registry. On macOS: Check application Info.plist or use 'mdls' command on application bundle.Verify Fix Applied:
Verify version is 13.1.3 or later in Help > About menu.📡 Detection & Monitoring
Log Indicators:
- Application crashes with memory access violations
- Unusual file access patterns for Substance3D Designer files
- Process creation from Substance3D Designer with suspicious parameters
Network Indicators:
- Unusual outbound connections following Substance3D Designer execution
- File downloads of Substance3D Designer files from suspicious sources
SIEM Query:
process_name:"Substance3D Designer.exe" AND (event_type:crash OR parent_process:unusual OR file_path:contains:".sbs" OR file_path:contains:".sbsar")