{
  "document": {
    "acknowledgments": [
      {
        "names": [
          "Ehab Hussein"
        ],
        "organization": "IOActive",
        "summary": "reporting this vulnerability to GE"
      }
    ],
    "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": "general",
        "text": "This CSAF advisory was extracted from unstructured data and may contain inaccuracies. If you notice any errors, please reach out to the designated contact at CISA CSAF: central@cisa.dhs.gov",
        "title": "CISA Disclaimer"
      },
      {
        "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 this vulnerability could allow access to sensitive information, execution of arbitrary code, and cause the device to become unresponsive.",
        "title": "Risk evaluation"
      },
      {
        "category": "other",
        "text": "Chemical, Critical Manufacturing, Energy, Food and Agriculture, Water and Wastewater Systems",
        "title": "Critical infrastructure sectors"
      },
      {
        "category": "other",
        "text": "Worldwide",
        "title": "Countries/areas deployed"
      },
      {
        "category": "other",
        "text": "United States",
        "title": "Company headquarters location"
      },
      {
        "category": "general",
        "text": "CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.\nCISA also provides a section for control systems security recommended practices on the ICS webpage onus-cert.gov. Several recommended practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "Additional mitigation guidance and recommended practices are publicly available on the ICS webpage on us-cert.gov in the Technical Information Paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies.\nOrganizations observing any suspected malicious activity should follow their established internal procedures and report their findings to CISA for tracking and correlation against other incidents.",
        "title": "Recommended Practices"
      },
      {
        "category": "other",
        "text": "No known public exploits specifically target this vulnerability.",
        "title": "Exploitability"
      }
    ],
    "publisher": {
      "category": "coordinator",
      "contact_details": "Email: CISAservicedesk@cisa.dhs.gov;\n Toll Free: 1-888-282-0870",
      "name": "CISA",
      "namespace": "https://www.cisa.gov/"
    },
    "references": [
      {
        "category": "self",
        "summary": "ICS Advisory ICSA-20-154-05 JSON",
        "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2020/icsa-20-154-05.json"
      },
      {
        "category": "self",
        "summary": "ICS Advisory ICSA-20-154-05 Web Version",
        "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-20-154-05"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.us-cert.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.us-cert.gov/ics/tips/ICS-TIP-12-146-01B"
      }
    ],
    "title": "GE Grid Solutions Reason RT Clocks",
    "tracking": {
      "current_release_date": "2020-06-02T00:00:00.000000Z",
      "generator": {
        "engine": {
          "name": "CISA CSAF Generator",
          "version": "1.0.0"
        }
      },
      "id": "ICSA-20-154-05",
      "initial_release_date": "2020-06-02T00:00:00.000000Z",
      "revision_history": [
        {
          "date": "2020-06-02T00:00:00.000000Z",
          "legacy_version": "Initial",
          "number": "1",
          "summary": "ICSA-20-154-05 GE Grid Solutions Reason RT Clocks"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c 08A05",
                "product": {
                  "name": "RT430 RT431 and RT434: all versions prior to 08A05",
                  "product_id": "CSAFPID-0001"
                }
              }
            ],
            "category": "product_name",
            "name": "RT430 RT431 and RT434"
          }
        ],
        "category": "vendor",
        "name": "General Electric (GE)"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2020-12017",
      "cwe": {
        "id": "CWE-306",
        "name": "Missing Authentication for Critical Function"
      },
      "notes": [
        {
          "category": "summary",
          "text": "The device \u0027s vulnerability in the web application could allow multiple unauthenticated attacks that could cause serious impact. The vulnerability may allow an unauthenticated attacker to execute arbitrary commands and send a request to a specific URL that could cause the device to become unresponsive. The unauthenticated attacker may change the password of the \u0027configuration\u0027 user account, allowing the attacker to modify the configuration of the device via the web interface using the new password. This vulnerability may also allow an unauthenticated attacker to bypass the authentication required to configure the device and reboot the system.CVE-2020-12017 has been assigned to this vulnerability. A CVSS v3 base score of 9.6 has been calculated; the CVSS vector string is (AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:H).",
          "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-2020-12017"
        },
        {
          "category": "external",
          "summary": "www.first.org",
          "url": "https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:H"
        }
      ],
      "remediations": [
        {
          "category": "mitigation",
          "details": "GE strongly recommends users of time synchronization products update their units to firmware Version 08A05 or greater to resolve these issues.",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "mitigation",
          "details": "GE recommends users evaluate their current risk and implement appropriate network security mitigation measures as follows:",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "mitigation",
          "details": "Use strong network and physical security protection to prevent an attacker from reaching the local network where Reason clocks are normally installed.",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "mitigation",
          "details": "Block TCP/IP Ports 80 and 443 to block the HTTP/HTTPS access to the RT clock web interface, avoiding all vulnerabilities. The TCP/IP port blocking should be limited to the Ethernet port interface where the RT clock is connected, using Access Control List (ACL) for instance; otherwise, other HTTP/HTTPS applications may be affected as well.",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "mitigation",
          "details": "Minimize network exposure for all control system devices and/or systems, and ensure that they are not accessible from the Internet",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "mitigation",
          "details": "Analyze security events to allow early detection of unexpected traffic/communication.",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "mitigation",
          "details": "GE suggests mitigation action does not ensure complete security, but it can be considered until the affected time synchronization product is upgraded.",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "mitigation",
          "details": "For more information on this vulnerability and firmware updates, please see Reason RT430/RT434 - GPS/GNSS Precision Clocks.",
          "product_ids": [
            "CSAFPID-0001"
          ],
          "url": "https://www.gegridsolutions.com/app/ViewFiles.aspx?prod=RT430\u0026type=7"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 9.6,
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:H",
            "version": "3.0"
          },
          "products": [
            "CSAFPID-0001"
          ]
        }
      ]
    }
  ]
}