CVE-2024-27160
📋 TL;DR
Toshiba printers use a hardcoded encryption key in a shell script to encrypt logs, allowing attackers to decrypt sensitive log files. This vulnerability requires combination with other exploits for full impact, affecting all Toshiba printer models. Organizations using these printers are at risk of data exposure.
💻 Affected Systems
- All Toshiba printers
⚠️ 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
Attackers combine this with other vulnerabilities to gain full system access, exfiltrate sensitive data, or deploy ransomware across the network.
Likely Case
Attackers decrypt log files containing sensitive information like user credentials, network details, or print job data.
If Mitigated
With proper network segmentation and access controls, impact is limited to the printer itself without lateral movement.
🎯 Exploit Status
Vulnerability requires combination with other exploits. No public exploit code available at time of analysis.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check vendor advisory for specific firmware updates
Vendor Advisory: https://www.toshibatec.com/information/20240531_01.html
Restart Required: Yes
Instructions:
1. Contact Toshiba support for affected models 2. Apply firmware updates from vendor 3. Restart printers after update
🔧 Temporary Workarounds
Network segmentation
allIsolate printers on separate VLAN with restricted access
Disable unnecessary services
allTurn off unused printer management interfaces and protocols
🧯 If You Can't Patch
- Segment printers on isolated network segments with strict firewall rules
- Implement network monitoring for unusual printer traffic patterns
- Disable remote management features if not required
🔍 How to Verify
Check if Vulnerable:
Check printer firmware version against vendor advisory. All Toshiba printers are affected.Check Version:
Check printer web interface or management console for firmware versionVerify Fix Applied:
Verify firmware version has been updated to patched version from vendor advisory.📡 Detection & Monitoring
Log Indicators:
- Unusual access to printer log files
- Multiple failed decryption attempts
Network Indicators:
- Unusual traffic to/from printers
- Attempts to access management interfaces
SIEM Query:
source="printer_logs" AND (event="decryption_failed" 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
