SSA-535640

Vulnerability from csaf_siemens - Published: 2017-08-30 00:00 - Updated: 2022-04-12 00:00
Summary
SSA-535640: Vulnerability in Industrial Products

Notes

Summary
Various industrial products use the Discovery Service of the OPC UA protocol stack by the OPC foundation https://github.com/OPCFoundation/UA-.NETStandard and could therefore be affected by the remote resource consumption attacks (CVE-2017-12069).
General Recommendations
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' 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
Additional Resources
For further inquiries on security vulnerabilities in Siemens products and solutions, please contact the Siemens ProductCERT: https://www.siemens.com/cert/advisories
Terms of Use
Siemens Security Advisories are subject to the terms and conditions contained in Siemens' underlying license terms or other applicable agreements previously agreed to with Siemens (hereinafter "License Terms"). To the extent applicable to information, software or documentation made available in or through a Siemens Security Advisory, the Terms of Use of Siemens' Global Website (https://www.siemens.com/terms_of_use, hereinafter "Terms of Use"), in particular Sections 8-10 of the Terms of Use, shall apply additionally. In case of conflicts, the License Terms shall prevail over the Terms of Use.
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{
  "document": {
    "acknowledgments": [
      {
        "names": [
          "Sergey Temnikov"
        ],
        "organization": "Kaspersky Lab ICS CERT",
        "summary": "reporting the vulnerabilities"
      }
    ],
    "category": "Siemens Security Advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Disclosure is not limited.",
      "tlp": {
        "label": "WHITE"
      }
    },
    "notes": [
      {
        "category": "summary",
        "text": "Various industrial products use the Discovery Service of the OPC UA protocol stack by the OPC foundation https://github.com/OPCFoundation/UA-.NETStandard and could therefore be affected by the remote resource consumption attacks (CVE-2017-12069).",
        "title": "Summary"
      },
      {
        "category": "general",
        "text": "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.\n\nAdditional information on Industrial Security by Siemens can be found at: https://www.siemens.com/industrialsecurity",
        "title": "General Recommendations"
      },
      {
        "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": "legal_disclaimer",
        "text": "Siemens Security Advisories are subject to the terms and conditions contained in Siemens\u0027 underlying license terms or other applicable agreements previously agreed to with Siemens (hereinafter \"License Terms\"). To the extent applicable to information, software or documentation made available in or through a Siemens Security Advisory, the Terms of Use of Siemens\u0027 Global Website (https://www.siemens.com/terms_of_use, hereinafter \"Terms of Use\"), in particular Sections 8-10 of the Terms of Use, shall apply additionally. In case of conflicts, the License Terms shall prevail over the Terms of Use.",
        "title": "Terms of Use"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "productcert@siemens.com",
      "name": "Siemens ProductCERT",
      "namespace": "https://www.siemens.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "SSA-535640: Vulnerability in Industrial Products - PDF Version",
        "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-535640.pdf"
      },
      {
        "category": "self",
        "summary": "SSA-535640: Vulnerability in Industrial Products - TXT Version",
        "url": "https://cert-portal.siemens.com/productcert/txt/ssa-535640.txt"
      },
      {
        "category": "self",
        "summary": "SSA-535640: Vulnerability in Industrial Products - CSAF Version",
        "url": "https://cert-portal.siemens.com/productcert/csaf/ssa-535640.json"
      }
    ],
    "title": "SSA-535640: Vulnerability in Industrial Products",
    "tracking": {
      "current_release_date": "2022-04-12T00:00:00Z",
      "generator": {
        "engine": {
          "name": "Siemens ProductCERT CSAF Generator",
          "version": "1"
        }
      },
      "id": "SSA-535640",
      "initial_release_date": "2017-08-30T00:00:00Z",
      "revision_history": [
        {
          "date": "2017-08-30T00:00:00Z",
          "legacy_version": "1.0",
          "number": "1",
          "summary": "Publication Date"
        },
        {
          "date": "2017-10-02T00:00:00Z",
          "legacy_version": "1.1",
          "number": "2",
          "summary": "Clarified \"Affected Products\""
        },
        {
          "date": "2017-11-17T00:00:00Z",
          "legacy_version": "1.2",
          "number": "3",
          "summary": "Added fix for SIMATIC IT Production Suite"
        },
        {
          "date": "2019-01-08T00:00:00Z",
          "legacy_version": "1.3",
          "number": "4",
          "summary": "Added fix for SIMATIC NET PC Software"
        },
        {
          "date": "2020-08-11T00:00:00Z",
          "legacy_version": "1.4",
          "number": "5",
          "summary": "Updated information regarding SIMATIC NET PC Software"
        },
        {
          "date": "2022-04-12T00:00:00Z",
          "legacy_version": "1.5",
          "number": "6",
          "summary": "Added solution for SIMATIC NET PC Software V14 and clarified affected versions; Clarified no remediation planned"
        }
      ],
      "status": "final",
      "version": "6"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "All Versions \u003e= V6.5 and \u003c V7.1",
                "product": {
                  "name": "SIMATIC IT Production Suite",
                  "product_id": "1"
                }
              }
            ],
            "category": "product_name",
            "name": "SIMATIC IT Production Suite"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c V14 SP1 Update 14",
                "product": {
                  "name": "SIMATIC NET PC Software V14",
                  "product_id": "2"
                }
              }
            ],
            "category": "product_name",
            "name": "SIMATIC NET PC Software V14"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "Versions V8.0, V8.1",
                "product": {
                  "name": "SIMATIC PCS 7",
                  "product_id": "3"
                }
              }
            ],
            "category": "product_name",
            "name": "SIMATIC PCS 7"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "All Versions \u003c V7.2",
                "product": {
                  "name": "SIMATIC WinCC",
                  "product_id": "4"
                }
              }
            ],
            "category": "product_name",
            "name": "SIMATIC WinCC"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "All Versions",
                "product": {
                  "name": "SIMATIC WinCC Runtime Professional V13",
                  "product_id": "5"
                }
              }
            ],
            "category": "product_name",
            "name": "SIMATIC WinCC Runtime Professional V13"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "All Versions \u003c V14 SP1",
                "product": {
                  "name": "SIMATIC WinCC Runtime Professional V14",
                  "product_id": "6"
                }
              }
            ],
            "category": "product_name",
            "name": "SIMATIC WinCC Runtime Professional V14"
          }
        ],
        "category": "vendor",
        "name": "Siemens"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2017-12069",
      "cwe": {
        "id": "CWE-611",
        "name": "Improper Restriction of XML External Entity Reference"
      },
      "notes": [
        {
          "category": "summary",
          "text": "By sending specially crafted packets to the OPC Discovery Server at port 4840/tcp, an attacker might cause the system to access various resources chosen by the attacker. To execute the attack, the attacker must have network access to the affected devices.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "1",
          "2",
          "3",
          "4",
          "5",
          "6"
        ]
      },
      "references": [
        {
          "summary": "CVE-2017-12069 - SIMATIC NET PC Software V14",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109807351/"
        },
        {
          "summary": "CVE-2017-12069 - SIMATIC WinCC Runtime Professional V14",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109746276"
        },
        {
          "summary": "CVE-2017-12069 Mitre 5.0 json",
          "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2017-12069.json"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Update to V7.1 or later version",
          "product_ids": [
            "1"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "Update to V14 SP1 Update 14 or later version",
          "product_ids": [
            "2"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109807351/"
        },
        {
          "category": "no_fix_planned",
          "details": "Currently no fix is planned",
          "product_ids": [
            "3",
            "4",
            "5"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "Update to V14 SP1 or later version",
          "product_ids": [
            "6"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109746276"
        },
        {
          "category": "mitigation",
          "details": "Turn off the Discovery Service after commissioning or block it on the local firewall: https://support.industry.siemens.com/cs/ww/en/view/109749461",
          "product_ids": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6"
          ]
        },
        {
          "category": "mitigation",
          "details": "Use VPN for protecting network communication between cells",
          "product_ids": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 8.2,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H/E:P/RL:O/RC:C",
            "version": "3.1"
          },
          "products": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6"
          ]
        }
      ],
      "title": "CVE-2017-12069"
    }
  ]
}


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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.