CVE-2023-32380
📋 TL;DR
This vulnerability allows attackers to execute arbitrary code on affected macOS systems by tricking users into processing a malicious 3D model file. It affects macOS Big Sur, Monterey, and Ventura users who open 3D model files from untrusted sources.
💻 Affected Systems
- macOS
📦 What is this software?
Macos by Apple
macOS is Apple's desktop and laptop operating system powering Mac computers used by millions of professionals, developers, creative professionals, and enterprise users worldwide. Built on a Unix foundation with the Darwin kernel and modern Cocoa frameworks, macOS delivers a seamless ecosystem integr...
Learn more about Macos →Macos by Apple
macOS is Apple's desktop and laptop operating system powering Mac computers used by millions of professionals, developers, creative professionals, and enterprise users worldwide. Built on a Unix foundation with the Darwin kernel and modern Cocoa frameworks, macOS delivers a seamless ecosystem integr...
Learn more about Macos →Macos by Apple
macOS is Apple's desktop and laptop operating system powering Mac computers used by millions of professionals, developers, creative professionals, and enterprise users worldwide. Built on a Unix foundation with the Darwin kernel and modern Cocoa frameworks, macOS delivers a seamless ecosystem integr...
Learn more about Macos →⚠️ Risk & Real-World Impact
Worst Case
Full system compromise with attacker gaining root privileges and persistent access to the device.
Likely Case
Local privilege escalation or remote code execution when user opens a malicious 3D model file.
If Mitigated
No impact if systems are patched or if users avoid opening untrusted 3D files.
🎯 Exploit Status
Requires user interaction to open malicious 3D model file. No public exploit code known at this time.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: macOS Big Sur 11.7.7, macOS Monterey 12.6.6, macOS Ventura 13.4
Vendor Advisory: https://support.apple.com/en-us/HT213758
Restart Required: Yes
Instructions:
1. Open System Settings > General > Software Update. 2. Install available updates. 3. Restart when prompted.
🔧 Temporary Workarounds
Disable automatic 3D file opening
macosConfigure macOS to not automatically open 3D model files and require user confirmation
Restrict 3D file execution
macosUse application allowlisting to restrict which applications can open 3D model files
🧯 If You Can't Patch
- Implement strict file type restrictions to block 3D model files from untrusted sources
- Educate users to never open 3D model files from unknown or untrusted sources
🔍 How to Verify
Check if Vulnerable:
Check macOS version: if running Big Sur < 11.7.7, Monterey < 12.6.6, or Ventura < 13.4, system is vulnerable.
Check Version:
sw_vers
Verify Fix Applied:
Verify macOS version is at least Big Sur 11.7.7, Monterey 12.6.6, or Ventura 13.4.
📡 Detection & Monitoring
Log Indicators:
- Unexpected process crashes related to 3D rendering
- Suspicious file opens of 3D model formats
Network Indicators:
- Downloads of 3D model files from suspicious sources
SIEM Query:
process_name:*.3d OR file_extension:(.obj|.stl|.fbx) AND event_type:file_open