CVE-2024-27172
📋 TL;DR
This vulnerability allows remote attackers to execute arbitrary commands on affected Toshiba multifunction printers through improper neutralization of special elements in OS commands (OS command injection). Organizations using vulnerable Toshiba e-STUDIO and e-BRIDGE series multifunction printers are affected.
💻 Affected Systems
- Toshiba e-STUDIO series multifunction printers
- Toshiba e-BRIDGE series multifunction 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
Complete system compromise allowing attackers to install malware, exfiltrate sensitive data, pivot to internal networks, and establish persistent access.
Likely Case
Remote code execution leading to data theft, ransomware deployment, or use as a foothold for lateral movement within the network.
If Mitigated
Limited impact if printers are isolated in separate VLANs with strict network segmentation and access controls.
🎯 Exploit Status
Exploit details have been publicly disclosed in security advisories. The vulnerability is in the remote command program functionality.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Toshiba advisory for specific fixed firmware versions
Vendor Advisory: https://www.toshibatec.com/information/20240531_01.html
Restart Required: Yes
Instructions:
1. Check current firmware version on affected printers. 2. Download updated firmware from Toshiba support portal. 3. Apply firmware update following Toshiba's installation procedures. 4. Verify successful update and restart devices.
🔧 Temporary Workarounds
Network Segmentation
allIsolate printers in separate VLANs with strict firewall rules limiting access to management interfaces.
Access Control
allRestrict network access to printer management interfaces using firewall rules or network ACLs.
🧯 If You Can't Patch
- Segment printers into isolated network zones with strict inbound/outbound filtering
- Disable remote management features if not required for operations
🔍 How to Verify
Check if Vulnerable:
Check printer firmware version against Toshiba's advisory list of vulnerable versionsCheck Version:
Check printer web interface or use SNMP query to determine firmware versionVerify Fix Applied:
Verify firmware version has been updated to a version not listed in the vulnerability advisory📡 Detection & Monitoring
Log Indicators:
- Unusual command execution attempts in printer logs
- Multiple failed authentication attempts followed by command execution
Network Indicators:
- Unusual outbound connections from printers
- Suspicious traffic to printer management ports (typically 80, 443, 9100)
SIEM Query:
source="printer_logs" AND (command="*cmd*" OR command="*exec*" OR command="*system*")🔗 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
