{
  "document": {
    "acknowledgments": [
      {
        "organization": "Schneider Electric",
        "summary": "discovering these vulnerabilities during the investigation of the HatMan malware"
      },
      {
        "organization": "NCCIC",
        "summary": "discovering these vulnerabilities during the investigation of the HatMan malware"
      }
    ],
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Disclosure is not limited",
      "tlp": {
        "label": "WHITE",
        "url": "https://us-cert.cisa.gov/tlp/"
      }
    },
    "lang": "en-US",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "All information products included in https://us-cert.cisa.gov/ics are provided \"as is\" for informational purposes only. The Department of Homeland Security (DHS) does not provide any warranties of any kind regarding any information contained within. DHS does not endorse any commercial product or service, referenced in this product or otherwise. Further dissemination of this product is governed by the Traffic Light Protocol (TLP) marking in the header. For more information about TLP, see https://us-cert.cisa.gov/tlp/.",
        "title": "Legal Notice"
      },
      {
        "category": "summary",
        "text": "Successful exploitation of these vulnerabilities could misinform or control the safety instrumented system which could result in arbitrary code execution, system shutdown, or the compromise of safety systems.",
        "title": "Risk evaluation"
      },
      {
        "category": "other",
        "text": "Multiple Sectors",
        "title": "Critical infrastructure sectors"
      },
      {
        "category": "other",
        "text": "Worldwide",
        "title": "Countries/areas deployed"
      },
      {
        "category": "other",
        "text": "France",
        "title": "Company headquarters location"
      },
      {
        "category": "general",
        "text": "CISA recommends users take defensive measures to minimize the risk of exploitation of these vulnerabilities, such as:",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "Minimize network exposure for all control system devices and/or systems, ensuring they are not accessible from the internet.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "Locate control system networks and remote devices behind firewalls and isolating them from business networks.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "When remote access is required, use more secure methods, such as Virtual Private Networks (VPNs), recognizing VPNs may have vulnerabilities and should be updated to the most current version available. Also recognize VPN is only as secure as the connected devices.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "CISA also provides a section for control systems security recommended practices on the ICS webpage on cisa.gov/ics. Several CISA products detailing cyber defense best practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "CISA encourages organizations to implement recommended cybersecurity strategies for proactive defense of ICS assets.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "Additional mitigation guidance and recommended practices are publicly available on the ICS webpage at cisa.gov/ics in the technical information paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "Organizations observing suspected malicious activity should follow established internal procedures and report findings to CISA for tracking and correlation against other incidents.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "CISA also recommends users take the following measures to protect themselves from social engineering attacks:",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "Do not click web links or open attachments in unsolicited email messages.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "Refer to Recognizing and Avoiding Email Scams for more information on avoiding email scams.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "Refer to Avoiding Social Engineering and Phishing Attacks for more information on social engineering attacks.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "HatMan malware specifically targets these vulnerabilities. These vulnerabilities are exploitable remotely. High skill level is needed to exploit.",
        "title": "Recommended Practices"
      }
    ],
    "publisher": {
      "category": "coordinator",
      "contact_details": "central@cisa.dhs.gov",
      "name": "CISA",
      "namespace": "https://www.cisa.gov/"
    },
    "references": [
      {
        "category": "self",
        "summary": "ICS Advisory ICSA-18-107-02 JSON",
        "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2018/icsa-18-107-02.json"
      },
      {
        "category": "self",
        "summary": "ICSA Advisory ICSA-18-107-02 - Web Version",
        "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-18-107-02"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/uscert/ics/alerts/ICS-ALERT-10-301-01"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/resources-tools/resources/ics-recommended-practices"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/sites/default/files/publications/Cybersecurity_Best_Practices_for_Industrial_Control_Systems.pdf"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/topics/industrial-control-systems"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/uscert/sites/default/files/publications/emailscams0905.pdf"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/uscert/ncas/tips/ST04-014"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://us-cert.cisa.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/uscert/ics/tips/ICS-TIP-12-146-01B"
      }
    ],
    "title": "Schneider Electric Triconex Tricon",
    "tracking": {
      "current_release_date": "2018-12-18T07:00:00.000000Z",
      "generator": {
        "engine": {
          "name": "CISA CSAF Generator",
          "version": "1.0.0"
        }
      },
      "id": "ICSA-18-107-02",
      "initial_release_date": "2018-04-17T06:00:00.000000Z",
      "revision_history": [
        {
          "date": "2018-04-17T06:00:00.000000Z",
          "legacy_version": "Initial",
          "number": "1",
          "summary": "Initial Publication"
        },
        {
          "date": "2018-05-03T06:00:00.000000Z",
          "legacy_version": "Update A",
          "number": "2",
          "summary": "Update A - Include mitigations for the vulnerabilities"
        },
        {
          "date": "2018-12-18T07:00:00.000000Z",
          "legacy_version": "Update B",
          "number": "3",
          "summary": "Update B - Added additional mitigations"
        }
      ],
      "status": "final",
      "version": "3"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003e= 10.0 | \u003c= 10.4",
                "product": {
                  "name": "MP Model 3008: \u003e= 10.0 | \u003c= 10.4",
                  "product_id": "CSAFPID-0001"
                }
              }
            ],
            "category": "product_name",
            "name": "MP Model 3008"
          }
        ],
        "category": "vendor",
        "name": "Schneider Electric"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2018-8872",
      "cwe": {
        "id": "CWE-119",
        "name": "Improper Restriction of Operations within the Bounds of a Memory Buffer"
      },
      "notes": [
        {
          "category": "summary",
          "text": "System calls read directly from memory addresses within the control program area without any verification.  Manipulating this data could allow attacker data to be copied anywhere within memory.",
          "title": "Vulnerability Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-0001"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "web.nvd.nist.gov",
          "url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2018-8872"
        },
        {
          "category": "external",
          "summary": "www.first.org",
          "url": "https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H"
        }
      ],
      "remediations": [
        {
          "category": "mitigation",
          "details": "Schneider Electric has released the following security notification: https://www.schneider-electric.com/en/download/document/SEVD-2017-347-01/",
          "product_ids": [
            "CSAFPID-0001"
          ],
          "url": "https://www.schneider-electric.com/en/download/document/SEVD-2017-347-01/"
        },
        {
          "category": "vendor_fix",
          "details": "Schneider Electric strongly recommends that users upgrade to the latest Triconex Tricon CX version. Tricon CX v11.4 is now available and is compliant with the IEC 62443 cybersecurity standard and includes multiple security enhancements that meet the challenges posed by HatMan malware techniques and other sophisticated methods of attack. To upgrade your system, contact your field site support representative or contact Schneider Electric support.",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "mitigation",
          "details": "Detect and Respond: Triconex users should contact their local Schneider Electric office for assistance. With this engagement, Schneider Electric will gather data from each Tricon safety system installation, analyze for the presence of the malware, and carry out any necessary malware removal procedures.",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "mitigation",
          "details": "Detect and Respond: For users who choose to gather data from each Tricon safety system installation on their own, instructions and support material is available for download via the Schneider Electric Process Automation customer support portal (login required). The data will still need to be sent to Schneider Electric for analysis. As of February 1, 2019, Schneider Electric will require customers to have a support contract in place to engage with the HatMan malware detection service.",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "mitigation",
          "details": "Detect and Respond: Once Schneider Electric has analyzed this data, Triconex users will receive a report for each Tricon system analyzed. This report will advise whether the malware was detected, and what the next steps are to remove the malware if detected.A YARA rule that matches the binary components of the HatMan malware is available for download at https://ics-cert.us-cert.gov/sites/default/files/file_attach/MAR-17-352-01.yara or by contacting Schneider Electric Customer Support.",
          "product_ids": [
            "CSAFPID-0001"
          ],
          "url": "https://ics-cert.us-cert.gov/sites/default/files/file_attach/MAR-17-352-01.yara"
        },
        {
          "category": "mitigation",
          "details": "Defend: The HatMan malware requires unrestricted access to the safety network via remote network or physical access. Additionally, the malware requires the Tricon key switch to be in the \"PROGRAM\" mode to successfully deploy its payload.",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "mitigation",
          "details": "Defend: Schneider Electric continues to recommend users always implement the instructions in the \"Security Considerations\" section in the standard Triconex documentation (i.e., Planning and Installation Guides and TriStation 1131 Developers Guide), which include the following:",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "mitigation",
          "details": "Ensure the cybersecurity features in Triconex solutions are always enabled.",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "mitigation",
          "details": "Safety systems must always be deployed on isolated networks.",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "mitigation",
          "details": "Physical controls should be in place so that no unauthorized person would have access to the safety controllers, peripheral safety equipment, or the safety network.",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "mitigation",
          "details": "All controllers should reside in locked cabinets and never be left in the \"PROGRAM\" mode.",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "mitigation",
          "details": "All TriStation engineering workstations should be secured and never be connected to any network other than the safety network.",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "mitigation",
          "details": "All methods of mobile data exchange with the isolated safety network such as CDs, USB drives, DVD\u0027s, etc. should be scanned before use in the TriStation engineering workstations or any node connected to this network.",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "mitigation",
          "details": "Laptops and PCs should always be properly verified to be virus and malware free before connecting to the safety network or any Triconex controller.",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "mitigation",
          "details": "Operator stations should be configured to display an alarm whenever the Tricon key switch is in the \"PROGRAM\" mode.",
          "product_ids": [
            "CSAFPID-0001"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 9.0,
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.0"
          },
          "products": [
            "CSAFPID-0001"
          ]
        }
      ]
    },
    {
      "cve": "CVE-2018-7522",
      "cwe": {
        "id": "CWE-119",
        "name": "Improper Restriction of Operations within the Bounds of a Memory Buffer"
      },
      "notes": [
        {
          "category": "summary",
          "text": "When a system call is made, registers are stored to a fixed memory location. Modifying the data in this location could allow attackers to gain supervisor-level access and control system states.",
          "title": "Vulnerability Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-0001"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "web.nvd.nist.gov",
          "url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2018-7522"
        },
        {
          "category": "external",
          "summary": "www.first.org",
          "url": "https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:H"
        }
      ],
      "remediations": [
        {
          "category": "mitigation",
          "details": "Schneider Electric has released the following security notification: https://www.schneider-electric.com/en/download/document/SEVD-2017-347-01/",
          "product_ids": [
            "CSAFPID-0001"
          ],
          "url": "https://www.schneider-electric.com/en/download/document/SEVD-2017-347-01/"
        },
        {
          "category": "vendor_fix",
          "details": "Schneider Electric strongly recommends that users upgrade to the latest Triconex Tricon CX version. Tricon CX v11.4 is now available and is compliant with the IEC 62443 cybersecurity standard and includes multiple security enhancements that meet the challenges posed by HatMan malware techniques and other sophisticated methods of attack. To upgrade your system, contact your field site support representative or contact Schneider Electric support.",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "mitigation",
          "details": "Detect and Respond: Triconex users should contact their local Schneider Electric office for assistance. With this engagement, Schneider Electric will gather data from each Tricon safety system installation, analyze for the presence of the malware, and carry out any necessary malware removal procedures.",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "mitigation",
          "details": "Detect and Respond: For users who choose to gather data from each Tricon safety system installation on their own, instructions and support material is available for download via the Schneider Electric Process Automation customer support portal (login required). The data will still need to be sent to Schneider Electric for analysis. As of February 1, 2019, Schneider Electric will require customers to have a support contract in place to engage with the HatMan malware detection service.",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "mitigation",
          "details": "Detect and Respond: Once Schneider Electric has analyzed this data, Triconex users will receive a report for each Tricon system analyzed. This report will advise whether the malware was detected, and what the next steps are to remove the malware if detected.A YARA rule that matches the binary components of the HatMan malware is available for download at https://ics-cert.us-cert.gov/sites/default/files/file_attach/MAR-17-352-01.yara or by contacting Schneider Electric Customer Support.",
          "product_ids": [
            "CSAFPID-0001"
          ],
          "url": "https://ics-cert.us-cert.gov/sites/default/files/file_attach/MAR-17-352-01.yara"
        },
        {
          "category": "mitigation",
          "details": "Defend: The HatMan malware requires unrestricted access to the safety network via remote network or physical access. Additionally, the malware requires the Tricon key switch to be in the \"PROGRAM\" mode to successfully deploy its payload.",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "mitigation",
          "details": "Defend: Schneider Electric continues to recommend users always implement the instructions in the \"Security Considerations\" section in the standard Triconex documentation (i.e., Planning and Installation Guides and TriStation 1131 Developers Guide), which include the following:",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "mitigation",
          "details": "Ensure the cybersecurity features in Triconex solutions are always enabled.",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "mitigation",
          "details": "Safety systems must always be deployed on isolated networks.",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "mitigation",
          "details": "Physical controls should be in place so that no unauthorized person would have access to the safety controllers, peripheral safety equipment, or the safety network.",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "mitigation",
          "details": "All controllers should reside in locked cabinets and never be left in the \"PROGRAM\" mode.",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "mitigation",
          "details": "All TriStation engineering workstations should be secured and never be connected to any network other than the safety network.",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "mitigation",
          "details": "All methods of mobile data exchange with the isolated safety network such as CDs, USB drives, DVD\u0027s, etc. should be scanned before use in the TriStation engineering workstations or any node connected to this network.",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "mitigation",
          "details": "Laptops and PCs should always be properly verified to be virus and malware free before connecting to the safety network or any Triconex controller.",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "mitigation",
          "details": "Operator stations should be configured to display an alarm whenever the Tricon key switch is in the \"PROGRAM\" mode.",
          "product_ids": [
            "CSAFPID-0001"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.9,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:H",
            "version": "3.0"
          },
          "products": [
            "CSAFPID-0001"
          ]
        }
      ]
    }
  ]
}