Information Disclosure in Trueview TI8161 Firmware

Executive Summary

Trueview TI8161 version 6.0.23.4 has an information disclosure vulnerability because it sends MQTT communications in plaintext over TCP port 1883. This allows attackers on the same network to intercept unencrypted traffic and access sensitive device and operational data.

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Detection Guidance

To detect this vulnerability, monitor network traffic on TCP port 1883 for unencrypted MQTT communications. Use tools like tcpdump or Wireshark to capture packets on port 1883 and inspect if data is transmitted in plaintext. Example command: tcpdump -i any port 1883 -A

Alternatively, use nmap to scan for open MQTT ports: nmap -p 1883 <target_IP>. If plaintext traffic is detected, the system is vulnerable.

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Impact Analysis

An attacker could capture device identifiers, message details, and control data transmitted by the Trueview TI8161. This may lead to unauthorized access, data manipulation, or further network compromise if sensitive information is exposed.

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Compliance Impact

This vulnerability likely violates data protection requirements under GDPR and HIPAA due to the transmission of sensitive information in plaintext. Organizations may face compliance violations, fines, or legal consequences for failing to secure data in transit.

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Mitigation Strategies

Immediately disable plaintext MQTT traffic on TCP port 1883. Enable TLS encryption for MQTT communications to secure data transmission. Update the Trueview TI8161 device to the latest firmware version if an update is available.

Restrict network access to MQTT ports using firewalls or network segmentation to limit exposure. Monitor network traffic for any unauthorized plaintext MQTT activity.

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