icsa-19-192-02
Vulnerability from csaf_cisa
Published
2019-07-11 00:00
Modified
2019-10-10 00:00
Summary
Siemens SIMATIC WinCC and PCS7 (Update C)

Notes

CISA Disclaimer
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
Legal Notice
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/.
Risk evaluation
Successful exploitation of this vulnerability could cause a denial-of-service condition on the affected service or device.
Critical infrastructure sectors
Chemical, Critical Manufacturing, Energy, Food and Agriculture, Water and Wastewater Systems
Countries/areas deployed
Worldwide
Company headquarters location
Germany
Recommended Practices
CISA recommends users take defensive measures to minimize the risk of exploitation of this vulnerability. Specifically, users should:
Recommended Practices
CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.
Recommended Practices
CISA also provides a section for control systems security recommended practices on the ICS webpage on us-cert.gov. Several recommended practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.
Recommended Practices
Organizations observing any suspected malicious activity should follow their established internal procedures and report their findings to CISA for tracking and correlation against other incidents.
Recommended Practices
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.
Additional Resources
For further inquiries on security vulnerabilities in Siemens products and solutions, please contact the Siemens ProductCERT: https://www.siemens.com/cert/advisories
Additional Resources
For further inquiries on security vulnerabilities in Siemens products and solutions, please contact the Siemens ProductCERT: https://www.siemens.com/cert/advisories
Exploitability
No known public exploits specifically target this vulnerability.


To clipboard 

{
  "document": {
    "acknowledgments": [
      {
        "names": [
          "Xuchen Zhu"
        ],
        "organization": "ZheJiang Guoli Security Technology",
        "summary": "reporting this vulnerability to Siemens"
      },
      {
        "organization": "CNCERT/CC",
        "summary": "reporting this vulnerability to Siemens"
      }
    ],
    "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 cause a denial-of-service condition on the affected service or device.",
        "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": "Germany",
        "title": "Company headquarters location"
      },
      {
        "category": "general",
        "text": "CISA recommends users take defensive measures to minimize the risk of exploitation of this vulnerability. Specifically, users should:",
        "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 us-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": "Organizations 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": "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.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "For further inquiries on security vulnerabilities in Siemens products and \nsolutions, please contact the Siemens ProductCERT:\n\nhttps://www.siemens.com/cert/advisories",
        "title": "Additional Resources"
      },
      {
        "category": "general",
        "text": "For further inquiries on security vulnerabilities in Siemens products and  solutions, please contact the Siemens ProductCERT: https://www.siemens.com/cert/advisories",
        "title": "Additional Resources"
      },
      {
        "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-19-192-02 JSON",
        "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2019/icsa-19-192-02.json"
      },
      {
        "category": "self",
        "summary": "ICS Advisory ICSA-19-192-02 Web Version",
        "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-19-192-02"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://ics-cert.us-cert.gov/alerts/ICS-ALERT-10-301-01"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-19-192-02"
      },
      {
        "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": "SSA-496604: SSA-121293: Code Upload Vulnerability in SIMATIC WinCC and SIMATIC PCS 7 - TXT Version",
        "url": "https://cert-portal.siemens.com/productcert/txt/SSA-121293.txt"
      }
    ],
    "title": "Siemens SIMATIC WinCC and PCS7 (Update C)",
    "tracking": {
      "current_release_date": "2019-10-10T00:00:00.000000Z",
      "generator": {
        "engine": {
          "name": "CISA CSAF Generator",
          "version": "1.0.0"
        }
      },
      "id": "ICSA-19-192-02",
      "initial_release_date": "2019-07-11T00:00:00.000000Z",
      "revision_history": [
        {
          "date": "2019-07-11T00:00:00.000000Z",
          "legacy_version": "Initial",
          "number": "1",
          "summary": "ICSA-19-192-02 Siemens SIMATIC WinCC and PCS7"
        },
        {
          "date": "2019-08-13T00:00:00.000000Z",
          "legacy_version": "A",
          "number": "2",
          "summary": "ICSA-19-192-02 Siemens SIMATIC WinCC and PCS7 (Update A)"
        },
        {
          "date": "2019-09-10T00:00:00.000000Z",
          "legacy_version": "B",
          "number": "3",
          "summary": "ICSA-19-192-02 Siemens SIMATIC WinCC and PCS7 (Update B)"
        },
        {
          "date": "2019-10-10T00:00:00.000000Z",
          "legacy_version": "C",
          "number": "4",
          "summary": "ICSA-19-192-02 Siemens SIMATIC WinCC and PCS7 (Update C)"
        }
      ],
      "status": "final",
      "version": "4"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "All versions",
                "product": {
                  "name": "SIMATIC PCS 7 V8.0 and earlier: All versions",
                  "product_id": "CSAFPID-0001"
                }
              }
            ],
            "category": "product_name",
            "name": "SIMATIC PCS 7 V8.0 and earlier"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "All versions \u003c V8.1 with WinCC V7.3 Upd 19",
                "product": {
                  "name": "SIMATIC PCS 7 V8.1: All versions \u003c V8.1 with WinCC V7.3 Upd 19",
                  "product_id": "CSAFPID-0002"
                }
              }
            ],
            "category": "product_name",
            "name": "SIMATIC PCS 7 V8.1"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "All versions \u003c V8.2 SP1 with WinCC V7.4 SP1 Upd 11",
                "product": {
                  "name": "SIMATIC PCS 7 V8.2: All versions \u003c V8.2 SP1 with WinCC V7.4 SP1 Upd 11",
                  "product_id": "CSAFPID-0003"
                }
              }
            ],
            "category": "product_name",
            "name": "SIMATIC PCS 7 V8.2"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "All versions \u003c V9.0 SP2 with WinCC V7.4 SP1 Upd11",
                "product": {
                  "name": "SIMATIC PCS 7 V9.0: All versions \u003c V9.0 SP2 with WinCC V7.4 SP1 Upd11",
                  "product_id": "CSAFPID-0004"
                }
              }
            ],
            "category": "product_name",
            "name": "SIMATIC PCS 7 V9.0"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "All versions",
                "product": {
                  "name": "SIMATIC WinCC Professional (TIA Portal V13): All versions",
                  "product_id": "CSAFPID-0005"
                }
              }
            ],
            "category": "product_name",
            "name": "SIMATIC WinCC Professional (TIA Portal V13)"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "All versions \u003c V14 SP1 Upd 9",
                "product": {
                  "name": "SIMATIC WinCC Professional (TIA Portal V14): All versions \u003c V14 SP1 Upd 9",
                  "product_id": "CSAFPID-0006"
                }
              }
            ],
            "category": "product_name",
            "name": "SIMATIC WinCC Professional (TIA Portal V14)"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "All versions \u003c V15.1 Upd 3",
                "product": {
                  "name": "SIMATIC WinCC Professional (TIA Portal V15): All versions \u003c V15.1 Upd 3",
                  "product_id": "CSAFPID-0007"
                }
              }
            ],
            "category": "product_name",
            "name": "SIMATIC WinCC Professional (TIA Portal V15)"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "All versions",
                "product": {
                  "name": "SIMATIC WinCC Runtime Professional V13: All versions",
                  "product_id": "CSAFPID-0008"
                }
              }
            ],
            "category": "product_name",
            "name": "SIMATIC WinCC Runtime Professional V13"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "All versions \u003c V14.1 Upd 8",
                "product": {
                  "name": "SIMATIC WinCC Runtime Professional V14: All versions \u003c V14.1 Upd 8",
                  "product_id": "CSAFPID-0009"
                }
              }
            ],
            "category": "product_name",
            "name": "SIMATIC WinCC Runtime Professional V14"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "All versions \u003c V15.1 Upd 3",
                "product": {
                  "name": "SIMATIC WinCC Runtime Professional V15: All versions \u003c V15.1 Upd 3",
                  "product_id": "CSAFPID-00010"
                }
              }
            ],
            "category": "product_name",
            "name": "SIMATIC WinCC Runtime Professional V15"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "All versions",
                "product": {
                  "name": "SIMATIC WinCC V7.2 and earlier: All versions",
                  "product_id": "CSAFPID-00011"
                }
              }
            ],
            "category": "product_name",
            "name": "SIMATIC WinCC V7.2 and earlier"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "All versions \u003c V7.3 Upd 19",
                "product": {
                  "name": "SIMATIC WinCC V7.3: All versions \u003c V7.3 Upd 19",
                  "product_id": "CSAFPID-00012"
                }
              }
            ],
            "category": "product_name",
            "name": "SIMATIC WinCC V7.3"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "All versions \u003c V7.4 SP1 Upd 11",
                "product": {
                  "name": "SIMATIC WinCC V7.4: All versions \u003c V7.4 SP1 Upd 11",
                  "product_id": "CSAFPID-00013"
                }
              }
            ],
            "category": "product_name",
            "name": "SIMATIC WinCC V7.4"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "All versions \u003c V7.5 Upd 3",
                "product": {
                  "name": "SIMATIC WinCC V7.5: All versions \u003c V7.5 Upd 3",
                  "product_id": "CSAFPID-00014"
                }
              }
            ],
            "category": "product_name",
            "name": "SIMATIC WinCC V7.5"
          }
        ],
        "category": "vendor",
        "name": "Siemens"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2019-10935",
      "cwe": {
        "id": "CWE-434",
        "name": "Unrestricted Upload of File with Dangerous Type"
      },
      "notes": [
        {
          "category": "summary",
          "text": "The SIMATIC WinCC DataMonitor web application of the affected products allows to upload arbitrary ASPX code.",
          "title": "Summary"
        },
        {
          "category": "summary",
          "text": "The security vulnerability could be exploited by an authenticated attacker with network access to the WinCC DataMonitor application. No user interaction is required to exploit this vulnerability. The vulnerability impacts confidentiality, integrity, and availability of the affected device.",
          "title": "Summary"
        },
        {
          "category": "summary",
          "text": "At the stage of publishing this security advisory no public exploitation is known.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-0001",
          "CSAFPID-0002",
          "CSAFPID-0003",
          "CSAFPID-0004",
          "CSAFPID-0005",
          "CSAFPID-0006",
          "CSAFPID-0007",
          "CSAFPID-0008",
          "CSAFPID-0009",
          "CSAFPID-00010",
          "CSAFPID-00011",
          "CSAFPID-00012",
          "CSAFPID-00013",
          "CSAFPID-00014"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "https://support.industry.siemens.com/cs/ww/en/view/109767227",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109767227"
        },
        {
          "category": "external",
          "summary": "web.nvd.nist.gov",
          "url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2019-10935"
        },
        {
          "category": "external",
          "summary": "www.first.org",
          "url": "https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Apply Defense-in-Depth",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006",
            "CSAFPID-0007",
            "CSAFPID-0008",
            "CSAFPID-0009",
            "CSAFPID-00010",
            "CSAFPID-00011",
            "CSAFPID-00012",
            "CSAFPID-00013",
            "CSAFPID-00014"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "See recommendations from section Workaround and Mitigations ",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "Update WinCC to V7.3 Upd 19 - Download: https://support.industry.siemens.com/cs/ww/en/view/109768972 ",
          "product_ids": [
            "CSAFPID-0002"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109768972"
        },
        {
          "category": "vendor_fix",
          "details": "Update WinCC to V7.4 SP1 Upd 11 - Download: https://support.industry.siemens.com/cs/ww/en/view/109768093 ",
          "product_ids": [
            "CSAFPID-0003"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109768093"
        },
        {
          "category": "vendor_fix",
          "details": "Update WinCC to V7.4 SP1 Upd 11 - Download: https://support.industry.siemens.com/cs/ww/en/view/109768093 ",
          "product_ids": [
            "CSAFPID-0004"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109768093"
        },
        {
          "category": "vendor_fix",
          "details": "See recommendations from section Workaround and Mitigations ",
          "product_ids": [
            "CSAFPID-0005"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "Update to V14 SP1 Upd 9 - Download: https://support.industry.siemens.com/cs/ww/en/view/109747387 ",
          "product_ids": [
            "CSAFPID-0006"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109747387"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V15.1 Upd 3 - Download: https://support.industry.siemens.com/cs/ww/en/view/109763890 ",
          "product_ids": [
            "CSAFPID-0007"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890"
        },
        {
          "category": "vendor_fix",
          "details": "See recommendations from section Workaround and Mitigations ",
          "product_ids": [
            "CSAFPID-0008"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "Update to V14.1 Upd 8 - Download: https://support.industry.siemens.com/cs/ww/en/view/109747394 ",
          "product_ids": [
            "CSAFPID-0009"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109747394"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V15.1 Upd 3 - Download: https://support.industry.siemens.com/cs/ww/en/view/109763892 ",
          "product_ids": [
            "CSAFPID-00010"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763892"
        },
        {
          "category": "vendor_fix",
          "details": "See recommendations from section Workaround and Mitigations ",
          "product_ids": [
            "CSAFPID-00011"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "Update to V7.3 Upd 19 - Download: https://support.industry.siemens.com/cs/ww/en/view/109768972 ",
          "product_ids": [
            "CSAFPID-00012"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109768972"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V7.4 SP1 Upd 11 - Download: https://support.industry.siemens.com/cs/ww/en/view/109768093 ",
          "product_ids": [
            "CSAFPID-00013"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109768093"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V7.5 Upd 3 - Download: https://support.industry.siemens.com/cs/ww/en/view/109767227 ",
          "product_ids": [
            "CSAFPID-00014"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109767227"
        },
        {
          "category": "mitigation",
          "details": "As a general security measure, Siemens strongly recommends to protect network access to devices with appropriate mechanisms. In order to operate the devices in a protected IT environment, Siemens recommends to configure the environment according to Siemens\u0027 operational guidelines for Industrial Security (Download: https://www.siemens.com/cert/operational-guidelines-industrial-security), and to follow the recommendations in the product manuals. Additional information on Industrial Security by Siemens can be found at: https://www.siemens.com/industrialsecurity",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006",
            "CSAFPID-0007",
            "CSAFPID-0008",
            "CSAFPID-0009",
            "CSAFPID-00010",
            "CSAFPID-00011",
            "CSAFPID-00012",
            "CSAFPID-00013",
            "CSAFPID-00014"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.2,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C",
            "version": "3.0"
          },
          "products": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006",
            "CSAFPID-0007",
            "CSAFPID-0008",
            "CSAFPID-0009",
            "CSAFPID-00010",
            "CSAFPID-00011",
            "CSAFPID-00012",
            "CSAFPID-00013",
            "CSAFPID-00014"
          ]
        }
      ]
    }
  ]
}


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  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.