CVE-2024-27166
📋 TL;DR
Toshiba printers have coredump binaries with incorrect permissions, allowing local attackers to read sensitive information. This affects specific Toshiba printer models where local access is possible. The vulnerability enables unauthorized access to confidential data stored in memory dumps.
💻 Affected Systems
- Toshiba e-STUDIO and other Toshiba printer models
⚠️ 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 sensitive data including credentials, print job contents, and system information leading to further network penetration.
Likely Case
Local attacker steals confidential information from memory dumps, potentially accessing credentials or sensitive documents.
If Mitigated
Limited impact with proper access controls and network segmentation preventing local attacker access.
🎯 Exploit Status
Exploitation requires local access to the printer system. The vulnerability involves reading improperly permissioned files.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Firmware updates specified in Toshiba advisories
Vendor Advisory: https://www.toshibatec.com/information/20240531_01.html
Restart Required: Yes
Instructions:
1. Check affected models in Toshiba advisory. 2. Download firmware updates from Toshiba support. 3. Apply firmware updates following Toshiba's instructions. 4. Restart printers after update.
🔧 Temporary Workarounds
Restrict Local Access
allLimit physical and network access to printers to authorized personnel only
Network Segmentation
allPlace printers on isolated network segments with strict access controls
🧯 If You Can't Patch
- Implement strict access controls to prevent unauthorized local access to printers
- Monitor printer access logs for suspicious activity and unauthorized access attempts
🔍 How to Verify
Check if Vulnerable:
Check printer model and firmware version against Toshiba's affected products list in their advisoryCheck Version:
Check printer web interface or control panel for firmware version informationVerify Fix Applied:
Verify firmware version has been updated to patched version specified in Toshiba advisory📡 Detection & Monitoring
Log Indicators:
- Unusual access to printer system files
- Multiple failed access attempts to printer management interfaces
Network Indicators:
- Unusual network traffic to/from printers
- Unauthorized access attempts to printer management ports
SIEM Query:
source="printer_logs" AND (event="file_access" OR event="unauthorized_access")🔗 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
