{
  "document": {
    "acknowledgments": [
      {
        "names": [
          "Zhou YU"
        ],
        "summary": "reporting the buffer overflow vulnerability to ICS-CERT"
      },
      {
        "names": [
          "Himanshu Mehta"
        ],
        "summary": "disclosing the DLL Hijack vulnerability to Schnider Electric"
      },
      {
        "organization": "Schneider Electric",
        "summary": "disclosing the DLL Hijack vulnerability to ICS-CERT"
      }
    ],
    "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": "ATTENTION: Low skill level to exploit",
        "title": "Risk evaluation"
      },
      {
        "category": "other",
        "text": "Critical Manufacturing, Dams, Defense Industrial Base, Energy, Food and Agriculture, Government Facilities, Nuclear Reactors, Materials, and Waste, Transportation Systems, Water and Wastewater Systems",
        "title": "Critical infrastructure sectors"
      },
      {
        "category": "other",
        "text": "Worldwide",
        "title": "Countries/areas deployed"
      },
      {
        "category": "other",
        "text": "Paris, France",
        "title": "Company headquarters location"
      },
      {
        "category": "general",
        "text": "NCCIC/ICS-CERT recommends that users take defensive measures to minimize the risk of exploitation of these vulnerabilities. Specifically, users should:",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "ICS-CERT reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "ICS-CERT also provides a section for control systems security recommended practices on the ICS-CERT web page. 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 in the ICS -CERT Technical Information Paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies, that is available for download from the ICS-CERT web site.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "Organizations observing any suspected malicious activity should follow their established internal procedures and report their findings to ICS-CERT for tracking and correlation against other incidents.",
        "title": "Recommended Practices"
      },
      {
        "category": "other",
        "text": "No known public exploits specifically target these vulnerabilities. These vulnerabilities are not remotely exploitable.",
        "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-17-136-02 JSON",
        "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2017/icsa-17-136-02.json"
      },
      {
        "category": "self",
        "summary": "ICS Advisory ICSA-17-136-02 Web Version",
        "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-17-136-02"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-17-136-02"
      }
    ],
    "title": "Schneider Electric SoMachine HVAC",
    "tracking": {
      "current_release_date": "2017-05-16T00:00:00.000000Z",
      "generator": {
        "engine": {
          "name": "CISA CSAF Generator",
          "version": "1.0.0"
        }
      },
      "id": "ICSA-17-136-02",
      "initial_release_date": "2017-05-16T00:00:00.000000Z",
      "revision_history": [
        {
          "date": "2017-05-16T00:00:00.000000Z",
          "legacy_version": "Initial",
          "number": "1",
          "summary": "ICSA-17-136-02 Schneider Electric SoMachine HVAC"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "<= 2.1.0",
                "product": {
                  "name": "SoMachine HVAC: Versions 2.1.0 and prior",
                  "product_id": "CSAFPID-0001"
                }
              }
            ],
            "category": "product_name",
            "name": "SoMachine HVAC"
          }
        ],
        "category": "vendor",
        "name": "Schneider Electric Software, LLC"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2017-7965",
      "cwe": {
        "id": "CWE-121",
        "name": "Stack-based Buffer Overflow"
      },
      "notes": [
        {
          "category": "summary",
          "text": "AlTracePrint.exe, installed by SoMachine HVAC v2.1.0 Programming Software, could be called in a way that could lead to a buffer overflow.CVE-2017-7965 has been assigned to this vulnerability. A CVSS v3 base score of 7.8 has been assigned; the CVSS vector string is (AV:L/AC:L/PR:N/UI:R/S:U/C:H/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-2017-7965"
        },
        {
          "category": "external",
          "summary": "www.first.org",
          "url": "https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Schneider Electric recommends that users of SoMachine HVAC Programming Software update to SoMachine HVAC v2.2. Users of SoMachine HVAC can access the update at the following support web site:",
          "product_ids": [
            "CSAFPID-0001"
          ],
          "url": "http://www.schneider-electric.com/en/download/document/SoMachine%20HVAC%20-%20Programming%20Software%20for%20Modicon%20M171-M172%20Logic%20Controllers/"
        },
        {
          "category": "mitigation",
          "details": "Schneider Electric's security notice SEVD-2017-125-01 is available at the following location:",
          "product_ids": [
            "CSAFPID-0001"
          ],
          "url": "http://www.schneider-electric.com/en/download/document/SEVD-2017-125-01/"
        },
        {
          "category": "mitigation",
          "details": "Schneider Electric's security notice SEVD-2017-125-02 is available at the following location:",
          "product_ids": [
            "CSAFPID-0001"
          ],
          "url": "http://www.schneider-electric.com/en/download/document/SEVD-2017-125-02/"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.0"
          },
          "products": [
            "CSAFPID-0001"
          ]
        }
      ]
    },
    {
      "cve": "CVE-2017-7966",
      "cwe": {
        "id": "CWE-427",
        "name": "Uncontrolled Search Path Element"
      },
      "notes": [
        {
          "category": "summary",
          "text": "Improper loading of a DLL file could allow an unauthenticated attacker the ability to execute arbitrary code on the target system.CVE-2017-7966 has been assigned to this vulnerability. A CVSS v3 base score of 7.8 has been assigned; the CVSS vector string is (AV:L/AC:L/PR:N/UI:R/S:U/C:H/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-2017-7966"
        },
        {
          "category": "external",
          "summary": "www.first.org",
          "url": "https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Schneider Electric recommends that users of SoMachine HVAC Programming Software update to SoMachine HVAC v2.2. Users of SoMachine HVAC can access the update at the following support web site:",
          "product_ids": [
            "CSAFPID-0001"
          ],
          "url": "http://www.schneider-electric.com/en/download/document/SoMachine%20HVAC%20-%20Programming%20Software%20for%20Modicon%20M171-M172%20Logic%20Controllers/"
        },
        {
          "category": "mitigation",
          "details": "Schneider Electric's security notice SEVD-2017-125-01 is available at the following location:",
          "product_ids": [
            "CSAFPID-0001"
          ],
          "url": "http://www.schneider-electric.com/en/download/document/SEVD-2017-125-01/"
        },
        {
          "category": "mitigation",
          "details": "Schneider Electric's security notice SEVD-2017-125-02 is available at the following location:",
          "product_ids": [
            "CSAFPID-0001"
          ],
          "url": "http://www.schneider-electric.com/en/download/document/SEVD-2017-125-02/"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.0"
          },
          "products": [
            "CSAFPID-0001"
          ]
        }
      ]
    }
  ]
}