CVE-2024-52995

7.8 HIGH

📋 TL;DR

CVE-2024-52995 is a heap-based buffer overflow vulnerability in Adobe Substance3D Sampler that allows arbitrary code execution when a user opens a malicious file. This affects users of Substance3D Sampler versions 4.5.1 and earlier, potentially enabling attackers to run code with the victim's privileges.

💻 Affected Systems

Products:
  • Adobe Substance3D Sampler
Versions: 4.5.1 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

Full system compromise with attacker gaining the same privileges as the logged-in user, potentially leading to data theft, ransomware deployment, or lateral movement within the network.

🟠

Likely Case

Local privilege escalation leading to user account compromise, file system access, and potential credential harvesting from the affected system.

🟢

If Mitigated

Limited impact with proper application sandboxing and user privilege restrictions, potentially containing the exploit to the application context only.

🌐 Internet-Facing: LOW - Exploitation requires user interaction to open malicious files, making automated internet-facing attacks unlikely.
🏢 Internal Only: MEDIUM - Internal users could be targeted via phishing or malicious files shared through internal channels, requiring user interaction but posing significant risk within organizations.

🎯 Exploit Status

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

Exploitation requires user interaction (opening malicious file) and heap manipulation knowledge, but buffer overflow vulnerabilities are commonly weaponized.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 4.5.2 or later

Vendor Advisory: https://helpx.adobe.com/security/products/substance3d-sampler/apsb24-100.html

Restart Required: Yes

Instructions:

1. Open Substance3D Sampler. 2. Navigate to Help > Check for Updates. 3. Follow prompts to install version 4.5.2 or later. 4. Restart the application after installation completes.

🔧 Temporary Workarounds

Restrict file processing

all

Configure application to only open trusted files from verified sources

Run with reduced privileges

all

Execute Substance3D Sampler with limited user permissions to reduce impact scope

🧯 If You Can't Patch

  • Implement application control policies to restrict execution of vulnerable versions
  • Deploy endpoint detection and response (EDR) solutions to monitor for suspicious file processing behavior

🔍 How to Verify

Check if Vulnerable:

Check Substance3D Sampler version via Help > About. If version is 4.5.1 or earlier, the system is vulnerable.

Check Version:

Not applicable - check via application GUI Help > About menu

Verify Fix Applied:

Verify version is 4.5.2 or later in Help > About menu.

📡 Detection & Monitoring

Log Indicators:

  • Application crashes with memory access violations
  • Unexpected file processing from untrusted sources
  • Suspicious child process creation from Substance3D Sampler

Network Indicators:

  • Outbound connections to suspicious IPs following file processing
  • DNS queries for known malicious domains after file opens

SIEM Query:

process_name:"Substance3D Sampler.exe" AND (event_type:crash OR child_process_creation)

🔗 References

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