CVE-2024-3497
📋 TL;DR
A path traversal vulnerability in Toshiba printer web servers allows attackers to overwrite existing files or upload new ones. This affects specific Toshiba printer models listed in vendor advisories. Attackers could potentially modify configuration files or deploy malicious content.
💻 Affected Systems
- Toshiba e-STUDIO and other printer models listed in vendor advisories
⚠️ 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 printer compromise leading to persistent malware installation, credential theft, or use as an internal network pivot point.
Likely Case
Printer configuration tampering, unauthorized file storage, or disruption of printing services.
If Mitigated
Limited impact if network segmentation and access controls prevent external or unauthorized access.
🎯 Exploit Status
Path traversal vulnerabilities typically have low exploitation complexity once identified.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Firmware updates specified in Toshiba advisory
Vendor Advisory: https://www.toshibatec.com/information/20240531_01.html
Restart Required: Yes
Instructions:
1. Identify affected printer model and current firmware version. 2. Download firmware update from Toshiba support portal. 3. Apply update following manufacturer instructions. 4. Restart printer to activate new firmware.
🔧 Temporary Workarounds
Disable web interface
allTurn off the printer's web management interface if not required for operations.
Network segmentation
allPlace printers on isolated network segments with strict access controls.
🧯 If You Can't Patch
- Implement strict network access controls to limit printer web interface access to authorized users only.
- Monitor printer network traffic for unusual file upload or modification attempts.
🔍 How to Verify
Check if Vulnerable:
Check printer model and firmware version against Toshiba advisory list.Check Version:
Access printer web interface > System Information or Settings > Firmware VersionVerify Fix Applied:
Confirm firmware version matches patched version from Toshiba advisory.📡 Detection & Monitoring
Log Indicators:
- Unusual file upload attempts in printer logs
- Multiple failed path traversal attempts
Network Indicators:
- HTTP requests with directory traversal sequences (../) to printer IP
SIEM Query:
destination_ip:printer_ip AND http_uri:*../*🔗 References
- https://jvn.jp/en/vu/JVNVU97136265/index.html
- https://www.toshibatec.com/information/20240531_01.html
- https://www.toshibatec.com/information/pdf/information20240531_01.pdf
- https://jvn.jp/en/vu/JVNVU97136265/index.html
- https://www.toshibatec.com/information/20240531_01.html
- https://www.toshibatec.com/information/pdf/information20240531_01.pdf
