CVE-2024-51330
📋 TL;DR
This vulnerability allows a local attacker to execute arbitrary code through the inter-process communication mechanism between Cura and CuraEngine processes. It affects UltiMaker Cura versions 4.41, 5.8.1, and earlier. Attackers must have local access to the system running vulnerable Cura software.
💻 Affected Systems
- UltiMaker Cura
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise with attacker gaining full control over the host system, potentially leading to data theft, ransomware deployment, or lateral movement within the network.
Likely Case
Local privilege escalation allowing attacker to execute code with the privileges of the Cura process, potentially leading to unauthorized access to 3D printing systems and sensitive design files.
If Mitigated
Limited impact with proper network segmentation and least privilege principles, potentially only affecting the Cura application itself.
🎯 Exploit Status
The referenced GitHub gist contains technical details and proof-of-concept information. Exploitation requires local access to the system.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Versions after 5.8.1
Vendor Advisory: https://github.com/Ultimaker/Cura/security/advisories
Restart Required: Yes
Instructions:
1. Open UltiMaker Cura. 2. Go to Help → Check for Updates. 3. Follow prompts to update to latest version. 4. Restart Cura after update completes.
🔧 Temporary Workarounds
Network Segmentation
allIsolate systems running Cura from critical network segments and other sensitive systems
Least Privilege Execution
linuxRun Cura with minimal user privileges to limit potential damage from exploitation
sudo -u limited_user cura
🧯 If You Can't Patch
- Restrict local access to systems running vulnerable Cura versions
- Monitor for suspicious process creation from Cura or CuraEngine processes
🔍 How to Verify
Check if Vulnerable:
Check Cura version in Help → About Cura. If version is 4.41, 5.8.1, or earlier, system is vulnerable.Check Version:
cura --versionVerify Fix Applied:
Verify Cura version is greater than 5.8.1 in Help → About Cura.📡 Detection & Monitoring
Log Indicators:
- Unusual process creation from Cura or CuraEngine
- Suspicious network connections from Cura to localhost on unusual ports
Network Indicators:
- Unexpected localhost IPC traffic patterns
- CuraEngine communicating with unexpected processes
SIEM Query:
process_name:CuraEngine AND (parent_process_name:!Cura OR command_line:*powershell* OR command_line:*cmd*)