CVE-2024-9731
📋 TL;DR
This vulnerability allows remote attackers to execute arbitrary code by tricking users into opening malicious SKP files in Trimble SketchUp Viewer. Attackers can gain full control of the affected system through memory corruption during file parsing. All users of vulnerable SketchUp Viewer versions are affected.
💻 Affected Systems
- Trimble SketchUp Viewer
📦 What is this software?
Sketchup by Trimble
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise with attacker gaining full control, data theft, lateral movement, and persistence establishment.
Likely Case
Malware installation, data exfiltration, or ransomware deployment through malicious SKP files shared via email or downloads.
If Mitigated
Limited impact with proper application sandboxing and user privilege restrictions, potentially only application crash.
🎯 Exploit Status
Exploitation requires user to open malicious file; memory corruption vulnerabilities in file parsers are commonly weaponized
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Trimble security advisory for specific patched version
Vendor Advisory: https://www.trimble.com/security/advisories
Restart Required: Yes
Instructions:
1. Check current SketchUp Viewer version
2. Visit Trimble security advisory page
3. Download and install latest patched version
4. Restart system after installation
🔧 Temporary Workarounds
Disable SKP file association
windowsPrevent SketchUp Viewer from automatically opening SKP files
Windows: Control Panel > Default Programs > Associate a file type or protocol with a program > Change .skp association to different program or none
Application sandboxing
allRun SketchUp Viewer in restricted environment
🧯 If You Can't Patch
- Implement application whitelisting to block SketchUp Viewer execution
- Use email/web gateways to block SKP file attachments and downloads
🔍 How to Verify
Check if Vulnerable:
Check SketchUp Viewer version against Trimble's patched version list in security advisoryCheck Version:
Windows: Open SketchUp Viewer > Help > About SketchUp ViewerVerify Fix Applied:
Verify installed version matches or exceeds patched version from Trimble advisory📡 Detection & Monitoring
Log Indicators:
- Application crashes of SketchUp Viewer
- Unusual process spawning from SketchUp Viewer
- Multiple failed file parsing attempts
Network Indicators:
- Downloads of SKP files from untrusted sources
- Outbound connections from SketchUp Viewer process
SIEM Query:
Process creation where parent process contains 'sketchup' AND (command line contains suspicious patterns OR destination IP is malicious)