CVE-2024-45143

7.8 HIGH

📋 TL;DR

CVE-2024-45143 is a heap-based buffer overflow vulnerability in Adobe 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, potentially compromising their systems.

💻 Affected Systems

Products:
  • Adobe Substance3D Stager
Versions: 3.0.3 and earlier
Operating Systems: Windows, macOS
Default Config Vulnerable: ⚠️ Yes
Notes: All installations of affected versions are vulnerable by default when processing malicious files.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete system compromise with attacker gaining full control of the user's computer, data theft, ransomware deployment, or lateral movement within the network.

🟠

Likely Case

Local privilege escalation leading to data exfiltration, malware installation, or persistence mechanisms being established on the compromised system.

🟢

If Mitigated

Limited impact with proper application sandboxing and user privilege restrictions preventing system-wide compromise.

🌐 Internet-Facing: LOW - Exploitation requires user interaction to open malicious files, not directly exploitable over network.
🏢 Internal Only: MEDIUM - Internal users could be targeted via phishing or shared malicious files, but requires user interaction.

🎯 Exploit Status

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

Exploitation requires user interaction (opening malicious file) and heap manipulation knowledge.

🛠️ 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 version 3.0.4 or later. 4. Restart the application.

🔧 Temporary Workarounds

Restrict file processing

all

Configure application to only open trusted files from verified sources

Application sandboxing

all

Run Substance3D Stager in restricted mode or sandbox environment

🧯 If You Can't Patch

  • Restrict user permissions to prevent system-wide compromise if exploited
  • Implement application whitelisting to block unauthorized file execution

🔍 How to Verify

Check if Vulnerable:

Check Substance3D Stager version in application settings or About dialog

Check Version:

Not applicable - check via application GUI

Verify Fix Applied:

Verify version is 3.0.4 or later in application settings

📡 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 with Substance3D Stager process name

🔗 References

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