CVE-2024-9729
📋 TL;DR
This is a use-after-free vulnerability in Trimble SketchUp Viewer's SKP file parser that allows remote code execution. Attackers can exploit it by tricking users into opening malicious SKP files or visiting malicious web pages. Users of affected SketchUp Viewer versions are at risk.
💻 Affected Systems
- Trimble SketchUp Viewer
📦 What is this software?
Sketchup by Trimble
⚠️ Risk & Real-World Impact
Worst Case
Full system compromise with attacker gaining the same privileges as the current user, potentially leading to data theft, ransomware deployment, or lateral movement.
Likely Case
Local privilege escalation or malware installation on the victim's system, with potential data exfiltration.
If Mitigated
Limited impact due to sandboxing or restricted user privileges, possibly resulting in application crash only.
🎯 Exploit Status
Exploitation requires user interaction (opening malicious file). The vulnerability is in the file parsing logic, making reliable exploitation possible but requiring specific file crafting.
🛠️ 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. Open SketchUp Viewer
2. Go to Help > Check for Updates
3. Install available updates
4. Restart application
🔧 Temporary Workarounds
Disable SKP file association
allPrevent 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 another program or none
macOS: Right-click SKP file > Get Info > Open With > Change to different application
Application sandboxing
allRun SketchUp Viewer in restricted environment
Windows: Use Windows Sandbox or third-party sandboxing tools
macOS: Use built-in sandboxing features or third-party solutions
🧯 If You Can't Patch
- Restrict user privileges to limit potential damage from exploitation
- Implement application whitelisting to prevent unauthorized code execution
🔍 How to Verify
Check if Vulnerable:
Check SketchUp Viewer version against Trimble's security advisory for affected versionsCheck Version:
Windows: Open SketchUp Viewer > Help > About SketchUp Viewer; macOS: Open SketchUp Viewer > SketchUp Viewer menu > About SketchUp ViewerVerify Fix Applied:
Verify installed version is newer than vulnerable versions listed in advisory📡 Detection & Monitoring
Log Indicators:
- Application crashes with memory access violations
- Unexpected child processes spawned from SketchUp Viewer
- Unusual file access patterns from SketchUp process
Network Indicators:
- Unexpected outbound connections from SketchUp Viewer process
- DNS requests to suspicious domains following SKP file opening
SIEM Query:
process_name:"SketchUp Viewer" AND (event_type:crash OR child_process_spawn:true)