CVE-2024-27151
📋 TL;DR
This CVE describes a local privilege escalation vulnerability in Toshiba printers that allows attackers to replace legitimate programs with malicious ones. Both local and remote attackers can exploit this to compromise affected printers. Organizations using vulnerable Toshiba printer models are affected.
💻 Affected Systems
- Toshiba printers (specific models listed in vendor advisory)
⚠️ 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 compromise of printer functionality, installation of persistent malware, use as foothold for network attacks, and potential data exfiltration from printed documents.
Likely Case
Printer takeover leading to service disruption, unauthorized access to printed documents, and potential use in further network attacks.
If Mitigated
Limited impact if printers are isolated on separate network segments with strict access controls and monitoring.
🎯 Exploit Status
Public disclosure includes technical details that could facilitate exploitation. The vulnerability allows remote compromise without authentication.
🛠️ 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. Visit Toshiba advisory page for affected models
2. Download appropriate firmware update
3. Apply firmware update following vendor instructions
4. Restart printer to complete installation
🔧 Temporary Workarounds
Network segmentation
allIsolate printers on separate VLAN with strict firewall rules
Access control
allRestrict printer management interfaces to authorized administrative networks only
🧯 If You Can't Patch
- Remove printers from internet-facing networks immediately
- Implement strict network segmentation and monitor printer network traffic for anomalies
🔍 How to Verify
Check if Vulnerable:
Check printer firmware version against Toshiba's advisory list of vulnerable versionsCheck Version:
Check printer web interface or management console for firmware versionVerify Fix Applied:
Verify firmware version has been updated to patched version specified in Toshiba advisory📡 Detection & Monitoring
Log Indicators:
- Unauthorized firmware update attempts
- Unusual program execution on printer
- Authentication bypass events
Network Indicators:
- Unexpected connections to printer management ports
- Unusual outbound traffic from printers
SIEM Query:
source="printer_network" AND (event_type="firmware_update" OR dest_port=9100 OR dest_port=631) AND NOT user="authorized_admin"🔗 References
- http://seclists.org/fulldisclosure/2024/Jul/1
- 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
- http://seclists.org/fulldisclosure/2024/Jul/1
- 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
