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Trend Micro Discloses a New Class of Security Vulnerabilities

Trend Micro’s recent research has revealed a new class of security vulnerabilities in protocol gateway devices that could expose Industry 4.0 environments to critical attacks.

Also known as protocol translators, protocol gateways allow machinery, sensors, actuators and computers that operate in industrial facilities to talk to each other and to IT systems that are increasingly connected to such environments.

“Protocol gateways rarely get individual attention, but their importance to Industry 4.0 environments is significant and can be singled out by attackers as a critical weak link in the chain,” said Bill Malik, vice president of infrastructure strategy for Trend Micro. “By responsibly disclosing nine zero-day vulnerabilities with the affected vendors, Trend Micro is leading the way with industry-first research that will help to make global OT environments more secure.”

Trend Micro Research analyzed five popular protocol gateways focused around translation of Modbus, one of the most widely used OT protocols globally.

As detailed in the new report, vulnerabilities and weaknesses found in these devices include:

  • Authentication vulnerabilities allowing unauthorized access
  • Weak encryption implementations allowing decryption of configuration databases
  • Weak implementation of authentication mechanisms resulting in disclosure of sensitive information
  • Denial of Service conditions
  • Flaws in the translation function that could be used to issue stealth commands to sabotage operations

Attacks leveraging such weaknesses could allow malicious hackers to view and steal production configurations and sabotage key industrial processes by manipulating process controls, camouflaging malicious commands with legitimate packets, and denying process control access.

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Nitisha Dubey

I am a Journalist with a post graduate degree in Journalism & Mass Communication. I love reading non-fiction books, exploring different destinations and varieties of cuisines. Biographies and historical movies are few favourites.

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