ssa-729965
Vulnerability from csaf_siemens
Published
2021-07-13 00:00
Modified
2021-07-13 00:00
Summary
SSA-729965: TLS Certificate Validation Vulnerability in SINUMERIK Integrate Operate Client

Notes

Summary
The latest update for SINUMERIK Integrate Operate Client fixes a vulnerability that could allow an attacker to spoof any SSL server certificate and conduct man-in-the-middle attacks. Siemens is preparing updates and recommends specific countermeasures for products where updates are not, or not yet available
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": {
    "category": "Siemens Security Advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Disclosure is not limited.",
      "tlp": {
        "label": "WHITE"
      }
    },
    "notes": [
      {
        "category": "summary",
        "text": "The latest update for SINUMERIK Integrate Operate Client fixes a vulnerability that could allow an attacker to spoof any SSL server certificate and conduct man-in-the-middle attacks.\n\nSiemens is preparing updates and recommends specific countermeasures for products where updates are not, or not yet available",
        "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-729965: TLS Certificate Validation Vulnerability in SINUMERIK Integrate Operate Client - PDF Version",
        "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-729965.pdf"
      },
      {
        "category": "self",
        "summary": "SSA-729965: TLS Certificate Validation Vulnerability in SINUMERIK Integrate Operate Client - TXT Version",
        "url": "https://cert-portal.siemens.com/productcert/txt/ssa-729965.txt"
      },
      {
        "category": "self",
        "summary": "SSA-729965: TLS Certificate Validation Vulnerability in SINUMERIK Integrate Operate Client - CSAF Version",
        "url": "https://cert-portal.siemens.com/productcert/csaf/ssa-729965.json"
      }
    ],
    "title": "SSA-729965: TLS Certificate Validation Vulnerability in SINUMERIK Integrate Operate Client",
    "tracking": {
      "current_release_date": "2021-07-13T00:00:00Z",
      "generator": {
        "engine": {
          "name": "Siemens ProductCERT CSAF Generator",
          "version": "1"
        }
      },
      "id": "SSA-729965",
      "initial_release_date": "2021-07-13T00:00:00Z",
      "revision_history": [
        {
          "date": "2021-07-13T00:00:00Z",
          "legacy_version": "1.0",
          "number": "1",
          "summary": "Publication Date"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
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              }
            ],
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          },
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          },
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              }
            ],
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          },
          {
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          },
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              }
            ],
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          },
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                }
              }
            ],
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          }
        ],
        "category": "vendor",
        "name": "Siemens"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2021-31892",
      "cwe": {
        "id": "CWE-295",
        "name": "Improper Certificate Validation"
      },
      "notes": [
        {
          "category": "summary",
          "text": "Due to an error in a third-party dependency the ssl flags used for setting up a TLS connection to a server are overwitten with wrong settings. This results in a missing validation of the server certificate and thus in a possible TLS MITM szenario.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "1",
          "2",
          "3",
          "4",
          "5",
          "6",
          "7",
          "8",
          "9",
          "10",
          "11",
          "12",
          "13",
          "14",
          "15",
          "16",
          "17",
          "18",
          "19",
          "20"
        ]
      },
      "references": [
        {
          "summary": "CVE-2021-31892 Mitre 5.0 json",
          "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2021-31892.json"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Update SINUMERIK Integrate Client",
          "product_ids": [
            "1",
            "2",
            "3",
            "4",
            "8",
            "9",
            "10",
            "11",
            "12",
            "13",
            "14",
            "15",
            "16",
            "20"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "Update to V02.00.18",
          "product_ids": [
            "5"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "Update to V03.00.18",
          "product_ids": [
            "6"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "Update to V04.00.18",
          "product_ids": [
            "7"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "Update SINUMERIK Operate to V4.8 SP8 or update included SINUMERIK Integrate Client",
          "product_ids": [
            "17"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "Update SINUMERIK Operate to V4.93 HF7 or update included SINUMERIK Integrate Client",
          "product_ids": [
            "18"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "Update SINUMERIK Operate to V4.94 HF5 or update included SINUMERIK Integrate Client",
          "product_ids": [
            "19"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.4,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N/E:P/RL:O/RC:C",
            "version": "3.1"
          },
          "products": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8",
            "9",
            "10",
            "11",
            "12",
            "13",
            "14",
            "15",
            "16",
            "17",
            "18",
            "19",
            "20"
          ]
        }
      ],
      "title": "CVE-2021-31892"
    }
  ]
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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