ssa-935500
Vulnerability from csaf_siemens
Published
2022-10-11 00:00
Modified
2024-05-14 00:00
Summary
SSA-935500: Denial of Service Vulnerability in FTP Server of Nucleus RTOS based APOGEE, TALON and Desigo PXC/PXM Products

Notes

Summary
A denial of service vulnerability has been identified in the Nucleus RTOS (real-time operating system) and reported in the Siemens Security Advisory SSA-313313: https://cert-portal.siemens.com/productcert/html/ssa-313313.html. The products listed below use affected versions of the Nucleus software and inherently contain the vulnerability. 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 specific 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 affected products with appropriate mechanisms. It is advised to follow recommended security practices in order to run the devices in a protected IT environment.
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": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Disclosure is not limited. (TLPv2: TLP:CLEAR)",
      "tlp": {
        "label": "WHITE"
      }
    },
    "lang": "en",
    "notes": [
      {
        "category": "summary",
        "text": "A denial of service vulnerability has been identified in the Nucleus RTOS (real-time operating system) and reported in the Siemens Security Advisory SSA-313313: \nhttps://cert-portal.siemens.com/productcert/html/ssa-313313.html.\nThe products listed below use affected versions of the Nucleus software and inherently contain the vulnerability.\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 specific 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 affected products with appropriate mechanisms. It is advised to follow recommended security practices in order to run the devices in a protected IT environment.",
        "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-935500: Denial of Service Vulnerability in FTP Server of Nucleus RTOS based APOGEE, TALON and Desigo PXC/PXM Products - HTML Version",
        "url": "https://cert-portal.siemens.com/productcert/html/ssa-935500.html"
      },
      {
        "category": "self",
        "summary": "SSA-935500: Denial of Service Vulnerability in FTP Server of Nucleus RTOS based APOGEE, TALON and Desigo PXC/PXM Products - CSAF Version",
        "url": "https://cert-portal.siemens.com/productcert/csaf/ssa-935500.json"
      },
      {
        "category": "self",
        "summary": "SSA-935500: Denial of Service Vulnerability in FTP Server of Nucleus RTOS based APOGEE, TALON and Desigo PXC/PXM Products - PDF Version",
        "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-935500.pdf"
      },
      {
        "category": "self",
        "summary": "SSA-935500: Denial of Service Vulnerability in FTP Server of Nucleus RTOS based APOGEE, TALON and Desigo PXC/PXM Products - TXT Version",
        "url": "https://cert-portal.siemens.com/productcert/txt/ssa-935500.txt"
      }
    ],
    "title": "SSA-935500: Denial of Service Vulnerability in FTP Server of Nucleus RTOS based APOGEE, TALON and Desigo PXC/PXM Products",
    "tracking": {
      "current_release_date": "2024-05-14T00:00:00Z",
      "generator": {
        "engine": {
          "name": "Siemens ProductCERT CSAF Generator",
          "version": "1"
        }
      },
      "id": "SSA-935500",
      "initial_release_date": "2022-10-11T00:00:00Z",
      "revision_history": [
        {
          "date": "2022-10-11T00:00:00Z",
          "legacy_version": "1.0",
          "number": "1",
          "summary": "Publication Date"
        },
        {
          "date": "2024-05-14T00:00:00Z",
          "legacy_version": "1.1",
          "number": "2",
          "summary": "Added fix for APOGEE PXC Series (BACnet), APOGEE PXC Series (P2 Ethernet), TALON TC Series (BACnet); added CVSSv4.0 vector and score"
        }
      ],
      "status": "interim",
      "version": "2"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "vers:all/*",
                "product": {
                  "name": "APOGEE MBC (PPC) (BACnet)",
                  "product_id": "1"
                }
              }
            ],
            "category": "product_name",
            "name": "APOGEE MBC (PPC) (BACnet)"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "vers:all/*",
                "product": {
                  "name": "APOGEE MBC (PPC) (P2 Ethernet)",
                  "product_id": "2"
                }
              }
            ],
            "category": "product_name",
            "name": "APOGEE MBC (PPC) (P2 Ethernet)"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "vers:all/*",
                "product": {
                  "name": "APOGEE MEC (PPC) (BACnet)",
                  "product_id": "3"
                }
              }
            ],
            "category": "product_name",
            "name": "APOGEE MEC (PPC) (BACnet)"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "vers:all/*",
                "product": {
                  "name": "APOGEE MEC (PPC) (P2 Ethernet)",
                  "product_id": "4"
                }
              }
            ],
            "category": "product_name",
            "name": "APOGEE MEC (PPC) (P2 Ethernet)"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003cV3.5.7",
                "product": {
                  "name": "APOGEE PXC Compact (BACnet)",
                  "product_id": "5"
                }
              }
            ],
            "category": "product_name",
            "name": "APOGEE PXC Compact (BACnet)"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003cV2.8.21",
                "product": {
                  "name": "APOGEE PXC Compact (P2 Ethernet)",
                  "product_id": "6"
                }
              }
            ],
            "category": "product_name",
            "name": "APOGEE PXC Compact (P2 Ethernet)"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003cV3.5.7",
                "product": {
                  "name": "APOGEE PXC Modular (BACnet)",
                  "product_id": "7"
                }
              }
            ],
            "category": "product_name",
            "name": "APOGEE PXC Modular (BACnet)"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003cV2.8.21",
                "product": {
                  "name": "APOGEE PXC Modular (P2 Ethernet)",
                  "product_id": "8"
                }
              }
            ],
            "category": "product_name",
            "name": "APOGEE PXC Modular (P2 Ethernet)"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003e=V2.3",
                "product": {
                  "name": "Desigo PXC00-E.D",
                  "product_id": "9"
                }
              }
            ],
            "category": "product_name",
            "name": "Desigo PXC00-E.D"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003e=V2.3",
                "product": {
                  "name": "Desigo PXC00-U",
                  "product_id": "10"
                }
              }
            ],
            "category": "product_name",
            "name": "Desigo PXC00-U"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003e=V2.3",
                "product": {
                  "name": "Desigo PXC001-E.D",
                  "product_id": "11"
                }
              }
            ],
            "category": "product_name",
            "name": "Desigo PXC001-E.D"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003e=V2.3",
                "product": {
                  "name": "Desigo PXC12-E.D",
                  "product_id": "12"
                }
              }
            ],
            "category": "product_name",
            "name": "Desigo PXC12-E.D"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003e=V2.3",
                "product": {
                  "name": "Desigo PXC22-E.D",
                  "product_id": "13"
                }
              }
            ],
            "category": "product_name",
            "name": "Desigo PXC22-E.D"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003e=V2.3",
                "product": {
                  "name": "Desigo PXC22.1-E.D",
                  "product_id": "14"
                }
              }
            ],
            "category": "product_name",
            "name": "Desigo PXC22.1-E.D"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003e=V2.3",
                "product": {
                  "name": "Desigo PXC36.1-E.D",
                  "product_id": "15"
                }
              }
            ],
            "category": "product_name",
            "name": "Desigo PXC36.1-E.D"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003e=V2.3",
                "product": {
                  "name": "Desigo PXC50-E.D",
                  "product_id": "16"
                }
              }
            ],
            "category": "product_name",
            "name": "Desigo PXC50-E.D"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003e=V2.3",
                "product": {
                  "name": "Desigo PXC64-U",
                  "product_id": "17"
                }
              }
            ],
            "category": "product_name",
            "name": "Desigo PXC64-U"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003e=V2.3",
                "product": {
                  "name": "Desigo PXC100-E.D",
                  "product_id": "18"
                }
              }
            ],
            "category": "product_name",
            "name": "Desigo PXC100-E.D"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003e=V2.3",
                "product": {
                  "name": "Desigo PXC128-U",
                  "product_id": "19"
                }
              }
            ],
            "category": "product_name",
            "name": "Desigo PXC128-U"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003e=V2.3",
                "product": {
                  "name": "Desigo PXC200-E.D",
                  "product_id": "20"
                }
              }
            ],
            "category": "product_name",
            "name": "Desigo PXC200-E.D"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003e=V2.3",
                "product": {
                  "name": "Desigo PXM20-E",
                  "product_id": "21"
                }
              }
            ],
            "category": "product_name",
            "name": "Desigo PXM20-E"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003cV3.5.7",
                "product": {
                  "name": "TALON TC Compact (BACnet)",
                  "product_id": "22"
                }
              }
            ],
            "category": "product_name",
            "name": "TALON TC Compact (BACnet)"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003cV3.5.7",
                "product": {
                  "name": "TALON TC Modular (BACnet)",
                  "product_id": "23"
                }
              }
            ],
            "category": "product_name",
            "name": "TALON TC Modular (BACnet)"
          }
        ],
        "category": "vendor",
        "name": "Siemens"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2022-38371",
      "cwe": {
        "id": "CWE-400",
        "name": "Uncontrolled Resource Consumption"
      },
      "notes": [
        {
          "category": "summary",
          "text": "The FTP server does not properly release memory resources that were reserved for incomplete connection attempts by FTP clients. This could allow a remote attacker to generate a denial of service condition on devices that incorporate a vulnerable version of the FTP server.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "1",
          "2",
          "3",
          "4",
          "5",
          "6",
          "7",
          "8",
          "9",
          "10",
          "11",
          "18",
          "12",
          "19",
          "20",
          "13",
          "14",
          "15",
          "16",
          "17",
          "21",
          "22",
          "23"
        ]
      },
      "remediations": [
        {
          "category": "mitigation",
          "details": "Disable the FTP service (Note that the FTP service is disabled by default on APOGEE, Desigo, and TALON products.)",
          "product_ids": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8",
            "9",
            "10",
            "11",
            "18",
            "12",
            "19",
            "20",
            "13",
            "14",
            "15",
            "16",
            "17",
            "21",
            "22",
            "23"
          ]
        },
        {
          "category": "no_fix_planned",
          "details": "Currently no fix is planned",
          "product_ids": [
            "1",
            "2",
            "3",
            "4"
          ]
        },
        {
          "category": "none_available",
          "details": "Currently no fix is available",
          "product_ids": [
            "9",
            "10",
            "11",
            "18",
            "12",
            "19",
            "20",
            "13",
            "14",
            "15",
            "16",
            "17",
            "21"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "Update to V2.8.21 or later version",
          "product_ids": [
            "6",
            "8"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "Update to V3.5.7 or later version",
          "product_ids": [
            "5",
            "7",
            "22",
            "23"
          ]
        }
      ],
      "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",
            "version": "3.1"
          },
          "products": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8",
            "9",
            "10",
            "11",
            "18",
            "12",
            "19",
            "20",
            "13",
            "14",
            "15",
            "16",
            "17",
            "21",
            "22",
            "23"
          ]
        }
      ],
      "title": "CVE-2022-38371"
    }
  ]
}


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