SSA-941426

Vulnerability from csaf_siemens - Published: 2021-07-13 00:00 - Updated: 2023-03-14 00:00
Summary
SSA-941426: Multiple LLDP Vulnerabilities in Industrial Products

Notes

Summary
There are multiple vulnerabilities in an underlying Link Layer Discovery Protocol (LLDP) third party library. Siemens has released updates for the affected products and recommends to update to the latest versions.
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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        "title": "Summary"
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        "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",
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        "category": "vendor",
        "name": "Siemens"
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  },
  "vulnerabilities": [
    {
      "cve": "CVE-2015-8011",
      "cwe": {
        "id": "CWE-120",
        "name": "Buffer Copy without Checking Size of Input (\u0027Classic Buffer Overflow\u0027)"
      },
      "notes": [
        {
          "category": "summary",
          "text": "Buffer overflow in the lldp_decode function in daemon/protocols/lldp.c in lldpd before 0.8.0 allows remote attackers to cause a denial of service (daemon crash) and possibly execute arbitrary code via vectors involving large management addresses and TLV boundaries.",
          "title": "Summary"
        }
      ],
      "product_status": {
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          "2",
          "3",
          "4",
          "5",
          "6",
          "7",
          "8",
          "9",
          "10",
          "11",
          "12",
          "13",
          "14",
          "15",
          "16",
          "17"
        ]
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        {
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          "details": "Disable LLDP protocol support on Ethernet port. This will potentially disrupt the network visibility.",
          "product_ids": [
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            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8",
            "9",
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            "16",
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            "6",
            "10",
            "11",
            "12"
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          "url": "https://support.industry.siemens.com/cs/ww/en/view/109817067/"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V17 or later version",
          "product_ids": [
            "8"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109746530"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V2.0.1 or later version\nPlease contact your Siemens representative for information on how to obtain the update.",
          "product_ids": [
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          ]
        },
        {
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            "2",
            "14",
            "15"
          ],
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        },
        {
          "category": "vendor_fix",
          "details": "Update to V1.1 or later version",
          "product_ids": [
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        },
        {
          "category": "vendor_fix",
          "details": "Update to V3.0 or later version",
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            "13"
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          "url": "https://support.industry.siemens.com/cs/ww/en/view/109800773/"
        },
        {
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          "details": "Update to V2.2 or later version",
          "product_ids": [
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            "17"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109798331/"
        }
      ],
      "scores": [
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            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C",
            "version": "3.1"
          },
          "products": [
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            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8",
            "9",
            "10",
            "11",
            "12",
            "13",
            "14",
            "15",
            "16",
            "17"
          ]
        }
      ],
      "title": "CVE-2015-8011"
    },
    {
      "cve": "CVE-2020-27827",
      "cwe": {
        "id": "CWE-400",
        "name": "Uncontrolled Resource Consumption"
      },
      "notes": [
        {
          "category": "summary",
          "text": "Specially crafted LLDP packets can cause memory to be lost when allocating data to handle specific optional TLVs, potentially causing a denial of service.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
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          "2",
          "3",
          "4",
          "5",
          "6",
          "7",
          "8",
          "9",
          "10",
          "11",
          "12",
          "13",
          "14",
          "15",
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          "17"
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          "product_ids": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8",
            "9",
            "10",
            "11",
            "12",
            "13",
            "14",
            "15",
            "16",
            "17"
          ]
        },
        {
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          "details": "Update to V2.2.28 or later version",
          "product_ids": [
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            "4",
            "6",
            "10",
            "11",
            "12"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109817067/"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V17 or later version",
          "product_ids": [
            "8"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109746530"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V2.0.1 or later version\nPlease contact your Siemens representative for information on how to obtain the update.",
          "product_ids": [
            "9"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "Update to V3.3.46 or later version",
          "product_ids": [
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            "2",
            "14",
            "15"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109812218"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V1.1 or later version",
          "product_ids": [
            "7"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109811116/"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V3.0 or later version",
          "product_ids": [
            "5",
            "13"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109800773/"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V2.2 or later version",
          "product_ids": [
            "16",
            "17"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109798331/"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "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"
          },
          "products": [
            "1",
            "2",
            "3",
            "4",
            "5",
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            "11",
            "12",
            "13",
            "14",
            "15",
            "16",
            "17"
          ]
        }
      ],
      "title": "CVE-2020-27827"
    }
  ]
}


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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.
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  • 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.