CVE-2025-54258
📋 TL;DR
CVE-2025-54258 is a use-after-free vulnerability in Substance3D Modeler that could allow arbitrary code execution when a user opens a malicious file. This affects users of Substance3D Modeler versions 1.22.2 and earlier. Successful exploitation requires user interaction through opening a specially crafted file.
💻 Affected Systems
- Adobe Substance3D Modeler
📦 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 leading to malware installation, data exfiltration, or persistence mechanisms being established on the compromised system.
If Mitigated
Limited impact with proper application sandboxing, least privilege user accounts, and file validation controls in place.
🎯 Exploit Status
Exploitation requires user interaction (opening malicious file) and understanding of the specific use-after-free condition.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.23.0 or later
Vendor Advisory: https://helpx.adobe.com/security/products/substance3d-modeler/apsb25-92.html
Restart Required: Yes
Instructions:
1. Open Substance3D Modeler. 2. Go to Help > Check for Updates. 3. Follow prompts to install version 1.23.0 or later. 4. Restart the application.
🔧 Temporary Workarounds
Restrict file opening
allOnly open Substance3D Modeler files from trusted sources and implement file validation controls.
Application sandboxing
allRun Substance3D Modeler in a sandboxed environment to limit potential damage from exploitation.
🧯 If You Can't Patch
- Implement application whitelisting to prevent execution of unauthorized code
- Run Substance3D Modeler with least privilege user accounts and disable unnecessary permissions
🔍 How to Verify
Check if Vulnerable:
Check Substance3D Modeler version in application settings or About dialog. If version is 1.22.2 or earlier, system is vulnerable.Check Version:
Not applicable - check version through application GUIVerify Fix Applied:
Verify version is 1.23.0 or later in application settings or About dialog.📡 Detection & Monitoring
Log Indicators:
- Application crashes with memory access violations
- Unexpected child processes spawned from Substance3D Modeler
- Unusual file access patterns from the application
Network Indicators:
- Unexpected outbound connections from Substance3D Modeler process
- DNS requests to suspicious domains after file opening
SIEM Query:
process_name:"Substance3D Modeler" AND (event_type:crash OR parent_process:"Substance3D Modeler")