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Rewterz threat Advisory – CVE-2019-18257 – Advantech DiagAnywhere Server Remote Code Execution Vulnerability
December 13, 2019
Rewterz Threat Advisory – CVE-2019-18261 – ICS: Omron PLC CJ, CS and NJ Series Improper Limitation of suspicious failed logins
December 13, 2019

Rewterz Threat Advisory – ICS: Omron PLC CJ and CS Series Multiple Vulnerabilities

December 13, 2019

Severity

High

Analysis Summary

CVE-2019-18259

An attacker could spoof arbitrary messages or execute commands.

CVE-2019-13533

An attacker could monitor traffic between the PLC and the controller, and replay requests that could result in the opening and closing of industrial valves.

CVE-2019-18269

The software properly checks for the existence of a lock, but the lock can be externally controlled or influenced by an actor that is outside of the intended sphere of control.

Impact

  • Authentication Bypass by Spoofing
  • Authentication Bypass by Capture-replay
  • Unrestricted Externally Accessible Lock

Affected Vendors

Omron

Affected Products

  • Omron PLC CJ series all versions
  • Omron PLC CS series all versions

Remediation

  • Filter FINS port: Protect access to Omron’s PLC with a firewall and blocking unnecessary remote access to FINS port (default: 9600).
  • Filter IP addresses: Protect access to Omron’s PLC with a firewall and filtering devices connected to the PLC by IP address.
  • Services
    • Assess
      • Compromise Assessment
      • APT Assessment
      • Penetration Testing
      • Secure Architecture Design & Review
      • Red Team Assessment
      • Purple Team Assessment
      • Social Engineering
      • Source Code Review
    • Respond
      • Incident Response
      • Incident Analysis
  • Transform
    • SOC Consultancy
    •     SOC Maturity Assessment
    •     SOC Model Evaluation
    •     SOC Gap Analysis
    •     SIEM Gap Analysis
    •     SIEM Optimization
    •     SOC Content Pack
  • Train
    • Security Awareness and Training
    • Tabletop Exercise
    • Simulated Cyber Attack Exercises
  • Managed Security
    • Managed Security Monitoring
      • Remote SOC
      • Onsite SOC
      • Hybrid SOC
    • Managed Security Services
      • Managed Detection and Response
      • Managed Endpoint Detection and Response
      • Managed Threat Intelligence
      • Managed Threat Hunting
      • Managed Risk-Based SOAR
      • Managed Penetration Testing
  • Solutions
  • Resources
    • Blog
    • Threat Advisory
  • Company
    • About Us
    • Careers
    • Contact
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