CVE-2018-5401: The Auto-Maskin DCU 210E, RP-210E, and Marine Pro Observer Android App transmit sensitive or security-critical data in cleartext in a communication channel that can be sniffed by unauthorized actors

First published: Mon Oct 08 2018(Updated: )

The Auto-Maskin DCU 210E, RP-210E, and Marine Pro Observer Android App transmit sensitive or security-critical data in cleartext in a communication channel that can be sniffed by unauthorized actors. The devices transmit process control information via unencrypted Modbus communications. Impact: An attacker can exploit this vulnerability to observe information about configurations, settings, what sensors are present and in use, and other information to aid in crafting spoofed messages. Requires access to the network. Affected releases are Auto-Maskin DCU-210E, RP-210E, and Marine Pro Observer Android App. Versions prior to 3.7 on ARMv7.

Credit: cret@cert.org

Affected Software	Affected Version	How to fix
Auto-maskin Rp 210e Firmware
Arm Arm7	<3.7
Auto-maskin Rp 210e
Auto-maskin Dcu 210e Firmware
Auto-Maskin DCU 210E
Auto-maskin Marine Pro Observer

Remedy

The devices should implement Modbus TCP Security Protocol (v21, 2018) per Modbus specifications over port 802 TCP, for Modbus TCP with encryption and authentication.

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