ssa-593272
Vulnerability from csaf_siemens
Published
2020-04-14 00:00
Modified
2024-05-14 00:00
Summary
SSA-593272: SegmentSmack in Interniche IP-Stack based Industrial Devices

Notes

Summary
A vulnerability exists in affected products that could allow remote attackers to affect the availability of the devices under certain conditions. The underlying TCP stack can be forced to make very computation expensive calls for every incoming packet which can lead to a Denial-of-Service. Siemens has released new versions for several affected products and recommends to update to the latest versions. Siemens is preparing further fix versions and recommends countermeasures for products where fixes 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.


To clipboard 

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    "csaf_version": "2.0",
    "distribution": {
      "text": "Disclosure is not limited. (TLPv2: TLP:CLEAR)",
      "tlp": {
        "label": "WHITE"
      }
    },
    "lang": "en",
    "notes": [
      {
        "category": "summary",
        "text": "A vulnerability exists in affected products that could allow remote attackers to affect\nthe availability of the devices under certain conditions.\n\nThe underlying TCP stack can be forced to make very computation expensive calls\nfor every incoming packet which can lead to a Denial-of-Service.\n\nSiemens has released new versions for several affected products and recommends to update to the latest versions. Siemens is preparing further fix versions and recommends countermeasures for products where fixes 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: \nhttps://www.siemens.com/cert/operational-guidelines-industrial-security), and to follow the recommendations in the product manuals.\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"
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    ],
    "publisher": {
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      "contact_details": "productcert@siemens.com",
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    },
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      },
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      },
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      }
    ],
    "title": "SSA-593272: SegmentSmack in Interniche IP-Stack based Industrial Devices",
    "tracking": {
      "current_release_date": "2024-05-14T00:00:00Z",
      "generator": {
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          "name": "Siemens ProductCERT CSAF Generator",
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      "id": "SSA-593272",
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          "number": "1",
          "summary": "Publication Date"
        },
        {
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        },
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          "legacy_version": "1.2",
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        },
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        },
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        },
        {
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        "category": "vendor",
        "name": "Siemens"
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    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2019-19300",
      "cwe": {
        "id": "CWE-400",
        "name": "Uncontrolled Resource Consumption"
      },
      "notes": [
        {
          "category": "summary",
          "text": "The Interniche-based TCP Stack can be forced to make very expensive calls for every incoming packet which can lead to a denial of service.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "1",
          "2",
          "3",
          "4",
          "5",
          "6",
          "23",
          "24",
          "25",
          "26",
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          "7",
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        {
          "category": "vendor_fix",
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        },
        {
          "category": "vendor_fix",
          "details": "Update to V2.0 or later version",
          "product_ids": [
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        {
          "category": "vendor_fix",
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          "product_ids": [
            "8",
            "13",
            "12",
            "15",
            "16"
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        },
        {
          "category": "vendor_fix",
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        },
        {
          "category": "vendor_fix",
          "details": "Update to V20.8 or later version",
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        },
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          "category": "vendor_fix",
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        {
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          "product_ids": [
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        {
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            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C",
            "version": "3.1"
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            "30",
            "31",
            "32",
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            "49",
            "33",
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            "37",
            "38",
            "39",
            "40",
            "41",
            "42",
            "43",
            "44",
            "46",
            "45",
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        }
      ],
      "title": "CVE-2019-19300"
    }
  ]
}


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