CVE-2018-16184

9.8 CRITICAL

📋 TL;DR

This vulnerability allows remote attackers to execute arbitrary commands on affected RICOH Interactive Whiteboard devices via unspecified vectors. It affects multiple RICOH Interactive Whiteboard models and controller types running vulnerable firmware versions. Attackers can potentially gain full control of affected devices without authentication.

💻 Affected Systems

Products:
  • RICOH Interactive Whiteboard D2200
  • RICOH Interactive Whiteboard D5500
  • RICOH Interactive Whiteboard D5510
  • RICOH Interactive Whiteboard D5520
  • RICOH Interactive Whiteboard D6500
  • RICOH Interactive Whiteboard D6510
  • RICOH Interactive Whiteboard D7500
  • RICOH Interactive Whiteboard D8400
  • RICOH Interactive Whiteboard Controller Type1
Versions: V1.6 to V2.2
Operating Systems: Embedded OS specific to RICOH devices
Default Config Vulnerable: ⚠️ Yes
Notes: Devices with RICOH Interactive Whiteboard Controller Type1 attached are also affected. The vulnerability exists in the firmware of these devices.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete compromise of the device allowing attackers to execute arbitrary commands, potentially leading to lateral movement within the network, data exfiltration, or use as a pivot point for further attacks.

🟠

Likely Case

Remote code execution allowing attackers to install malware, modify device functionality, or use the device as part of a botnet.

🟢

If Mitigated

Limited impact if devices are isolated from untrusted networks and patched promptly.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

The CVSS score of 9.8 indicates critical severity with network-based attack vector and no authentication required. Specific exploit vectors are unspecified in public disclosures.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: V2.3 or later

Vendor Advisory: https://www.ricoh.com/info/2018/1127_1.html

Restart Required: Yes

Instructions:

1. Download firmware update V2.3 or later from RICOH support portal. 2. Follow RICOH's firmware update procedure for your specific device model. 3. Verify the firmware version after update. 4. Restart the device as required.

🔧 Temporary Workarounds

Network Segmentation

all

Isolate RICOH Interactive Whiteboard devices from untrusted networks and restrict access to authorized IP addresses only.

Access Control Lists

all

Implement firewall rules to block all unnecessary inbound traffic to affected devices.

🧯 If You Can't Patch

  • Disconnect affected devices from networks entirely and use only in isolated environments
  • Implement strict network monitoring and anomaly detection for traffic to/from these devices

🔍 How to Verify

Check if Vulnerable:

Check the firmware version in the device settings menu. If version is between V1.6 and V2.2 inclusive, the device is vulnerable.

Check Version:

Check device settings menu for firmware version information (no specific CLI command available)

Verify Fix Applied:

Verify firmware version is V2.3 or later in device settings after applying the update.

📡 Detection & Monitoring

Log Indicators:

  • Unusual command execution logs
  • Unexpected firmware modification attempts
  • Suspicious network connections from device

Network Indicators:

  • Unexpected outbound connections from whiteboard devices
  • Suspicious inbound traffic to whiteboard management ports

SIEM Query:

source_ip IN [whiteboard_device_ips] AND (event_type="command_execution" OR protocol="unusual" OR destination_port="suspicious")

🔗 References

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