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  • 3 dangerous vulnerabilities in Omron products open access to production


    3 dangerous vulnerabilities in Omron products lead to DoS, malware launch and access to ICS control. On November 10, CISA published 2 bulletins describing 3 vulnerabilities affecting NJ and NX series controllers and Omron software:

    • High Severity Vulnerability CVE-2022-33971 (CVSS: 8.3) that could allow an attacker with access to a target Omron Programmable Logic Controller (PLC) to cause a Denial of Service (DoS) condition or launch malware.
    • Critical hardcoded credential vulnerability CVE-2022-34151 (CVSS: 9.4) that can be exploited to access Omron PLCs;
    • High Severity Vulnerability CVE-2022-33208 (CVSS: 8.1) that can be used to obtain sensitive information, as well as to bypass authentication and gain access to the controller.

    Omron published advisories for these vulnerabilities in July, and patches were released in July and October. The disclosure of these shortcomings is attributed to Reid Wightman, a leading vulnerability researcher at the information security company Dragos.

    Wightman explained that exploiting these vulnerabilities requires network access to the PLC. The Shodan search engine shows several dozen instances of affected Omron PLCs found online. Open devices are located all over the world, with the majority located in Norway, Australia and Taiwan.

    An attacker can change the logic of the PLC. This may allow him to turn pumps, lights, or other equipment on and off. Also, vulnerabilities can be used to prevent security actions - for example, you press the emergency stop button, but it does not work.

    Wightman also stated that CVE-2022-34151 is also used in attacks on ICS called Pipedream (Incontroller), during which hackers can use specially designed modular malware to scan, compromise and take control of ICS and supervisory control and data acquisition (SCADA).

    OMRON Corporation is a large Japanese corporation, electronics manufacturer and one of the world leaders in the production of automation equipment. It operates in 36 countries and employs 35,000 people. To date, the company's capitalization is $9.68 billion.

    Author DeepWeb
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