VDE-2020-043

Vulnerability from csaf_bendergmbhcokg - Published: 2020-10-16 06:54 - Updated: 2020-10-16 06:54
Summary
Bender: COMTRAXX < 4.2.0 affected by inadquate credentials check vulnerability
Notes
Summary: Bender is publishing this advisory to inform customers about a security vulnerability in all devices running the COMTRAXX software. The user authorization is validated for most, but not all routes in the system. A user with knowledge about the routes can read and write configuration data without prior authorization.
Impact: The vulnerability allows a malicious entity to bypass credential check.
Mitigation: • restrict network access to the above-mentioned devices • install latest software update
Remediation: Please install V4.2.0. (https://www.bender.de/service-support/downloadbereich)
CVE-2019-19885

In Bender COMTRAXX, user authorization is validated for most, but not all, routes in the system. A user with knowledge about the routes can read and write configuration data without prior authorization. This affects COM465IP, COM465DP, COM465ID, CP700, CP907, and CP915 devices before 4.2.0.

9.1 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CWE-862 - Missing Authorization
Mitigation • restrict network access to the above-mentioned devices • install latest software update
Vendor Fix Please install V4.2.0. (https://www.bender.de/service-support/downloadbereich)
References
Acknowledgments
CERT@VDE certvde.com
Maxim Rupp
To clipboard 

{
  "document": {
    "acknowledgments": [
      {
        "organization": "CERT@VDE",
        "summary": "coordination",
        "urls": [
          "https://certvde.com"
        ]
      },
      {
        "organization": "Maxim Rupp",
        "summary": "reporting"
      }
    ],
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en-GB",
    "notes": [
      {
        "category": "summary",
        "text": "Bender is publishing this advisory to inform customers about a security vulnerability in all devices running the COMTRAXX software.\n\nThe user authorization is validated for most, but not all routes in the system. A user with knowledge about the routes can read and write configuration data without prior authorization.",
        "title": "Summary"
      },
      {
        "category": "description",
        "text": "The vulnerability allows a malicious entity to bypass credential check.",
        "title": "Impact"
      },
      {
        "category": "description",
        "text": "\u2022 restrict network access to the above-mentioned devices\n\n\u2022 install latest software update",
        "title": "Mitigation"
      },
      {
        "category": "description",
        "text": "Please install V4.2.0. (https://www.bender.de/service-support/downloadbereich)",
        "title": "Remediation"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "psirt@bender.de",
      "name": "Bender GmbH \u0026 Co. KG",
      "namespace": "https://www.bender.de"
    },
    "references": [
      {
        "category": "external",
        "summary": "CERT@VDE Security Advisories for Bender GmbH \u0026 Co. KG",
        "url": "https://certvde.com/en/advisories/vendor/bender"
      },
      {
        "category": "self",
        "summary": "VDE-2020-043: Bender: COMTRAXX \u003c 4.2.0 affected by inadquate credentials check vulnerability - HTML",
        "url": "https://certvde.com/en/advisories/VDE-2020-043"
      },
      {
        "category": "self",
        "summary": "VDE-2020-043: Bender: COMTRAXX \u003c 4.2.0 affected by inadquate credentials check vulnerability - CSAF",
        "url": "https://bender.csaf-tp.certvde.com/.well-known/csaf/white/2020/vde-2020-043.json"
      }
    ],
    "title": "Bender: COMTRAXX \u003c 4.2.0 affected by inadquate credentials check vulnerability",
    "tracking": {
      "aliases": [
        "VDE-2020-043"
      ],
      "current_release_date": "2020-10-16T06:54:00.000Z",
      "generator": {
        "date": "2025-03-24T11:31:57.923Z",
        "engine": {
          "name": "Secvisogram",
          "version": "2.5.21"
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      "id": "VDE-2020-043",
      "initial_release_date": "2020-10-16T06:54:00.000Z",
      "revision_history": [
        {
          "date": "2020-10-16T06:54:00.000Z",
          "number": "1",
          "summary": "Initial revision."
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_name",
                "name": "COM465DP",
                "product": {
                  "name": "COM465DP",
                  "product_id": "CSAFPID-11001",
                  "product_identification_helper": {
                    "model_numbers": [
                      "95061060",
                      "95061061"
                    ]
                  }
                }
              },
              {
                "category": "product_name",
                "name": "COM465ID",
                "product": {
                  "name": "COM465ID",
                  "product_id": "CSAFPID-11002",
                  "product_identification_helper": {
                    "model_numbers": [
                      "95061070"
                    ]
                  }
                }
              },
              {
                "category": "product_name",
                "name": "COM465IP",
                "product": {
                  "name": "COM465IP",
                  "product_id": "CSAFPID-11003",
                  "product_identification_helper": {
                    "model_numbers": [
                      "95061065",
                      "95061066"
                    ]
                  }
                }
              },
              {
                "category": "product_name",
                "name": "CP700",
                "product": {
                  "name": "CP700",
                  "product_id": "CSAFPID-11004",
                  "product_identification_helper": {
                    "model_numbers": [
                      "95061030"
                    ]
                  }
                }
              },
              {
                "category": "product_name",
                "name": "CP907",
                "product": {
                  "name": "CP907",
                  "product_id": "CSAFPID-11005",
                  "product_identification_helper": {
                    "model_numbers": [
                      "95061080"
                    ]
                  }
                }
              },
              {
                "category": "product_name",
                "name": "CP915",
                "product": {
                  "name": "CP915",
                  "product_id": "CSAFPID-11006",
                  "product_identification_helper": {
                    "model_numbers": [
                      "95061081",
                      "95061085",
                      "95061092"
                    ]
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "Hardware"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c4.2.0",
                "product": {
                  "name": "Firmware \u003c4.2.0",
                  "product_id": "CSAFPID-21001"
                }
              },
              {
                "category": "product_version",
                "name": "4.2.0",
                "product": {
                  "name": "Firmware 4.2.0",
                  "product_id": "CSAFPID-22001"
                }
              }
            ],
            "category": "product_family",
            "name": "Firmware"
          }
        ],
        "category": "vendor",
        "name": "Bender"
      }
    ],
    "product_groups": [
      {
        "group_id": "CSAFGID-0001",
        "product_ids": [
          "CSAFPID-31001",
          "CSAFPID-31002",
          "CSAFPID-31003",
          "CSAFPID-31004",
          "CSAFPID-31005",
          "CSAFPID-31006"
        ],
        "summary": "Affected Products."
      },
      {
        "group_id": "CSAFGID-0002",
        "product_ids": [
          "CSAFPID-32001",
          "CSAFPID-32002",
          "CSAFPID-32003",
          "CSAFPID-32004",
          "CSAFPID-32005",
          "CSAFPID-32006"
        ],
        "summary": "Fixed Products."
      }
    ],
    "relationships": [
      {
        "category": "installed_on",
        "full_product_name": {
          "name": "Firmware 4.2.0 installed on CP915",
          "product_id": "CSAFPID-32001"
        },
        "product_reference": "CSAFPID-22001",
        "relates_to_product_reference": "CSAFPID-11006"
      },
      {
        "category": "installed_on",
        "full_product_name": {
          "name": "Firmware 4.2.0 installed on COM465ID",
          "product_id": "CSAFPID-32002"
        },
        "product_reference": "CSAFPID-22001",
        "relates_to_product_reference": "CSAFPID-11002"
      },
      {
        "category": "installed_on",
        "full_product_name": {
          "name": "Firmware 4.2.0 installed on COM465IP",
          "product_id": "CSAFPID-32003"
        },
        "product_reference": "CSAFPID-22001",
        "relates_to_product_reference": "CSAFPID-11003"
      },
      {
        "category": "installed_on",
        "full_product_name": {
          "name": "Firmware 4.2.0 installed on CP700",
          "product_id": "CSAFPID-32004"
        },
        "product_reference": "CSAFPID-22001",
        "relates_to_product_reference": "CSAFPID-11004"
      },
      {
        "category": "installed_on",
        "full_product_name": {
          "name": "Firmware 4.2.0 installed on CP907",
          "product_id": "CSAFPID-32005"
        },
        "product_reference": "CSAFPID-22001",
        "relates_to_product_reference": "CSAFPID-11005"
      },
      {
        "category": "installed_on",
        "full_product_name": {
          "name": "Firmware 4.2.0 installed on CP915",
          "product_id": "CSAFPID-32006"
        },
        "product_reference": "CSAFPID-22001",
        "relates_to_product_reference": "CSAFPID-11006"
      },
      {
        "category": "installed_on",
        "full_product_name": {
          "name": "Firmware \u003c4.2.0 installed on CP915",
          "product_id": "CSAFPID-31001"
        },
        "product_reference": "CSAFPID-21001",
        "relates_to_product_reference": "CSAFPID-11006"
      },
      {
        "category": "installed_on",
        "full_product_name": {
          "name": "Firmware \u003c4.2.0 installed on COM465ID",
          "product_id": "CSAFPID-31002"
        },
        "product_reference": "CSAFPID-21001",
        "relates_to_product_reference": "CSAFPID-11002"
      },
      {
        "category": "installed_on",
        "full_product_name": {
          "name": "Firmware \u003c4.2.0 installed on COM465IP",
          "product_id": "CSAFPID-31003"
        },
        "product_reference": "CSAFPID-21001",
        "relates_to_product_reference": "CSAFPID-11003"
      },
      {
        "category": "installed_on",
        "full_product_name": {
          "name": "Firmware \u003c4.2.0 installed on CP700",
          "product_id": "CSAFPID-31004"
        },
        "product_reference": "CSAFPID-21001",
        "relates_to_product_reference": "CSAFPID-11004"
      },
      {
        "category": "installed_on",
        "full_product_name": {
          "name": "Firmware \u003c4.2.0 installed on CP907",
          "product_id": "CSAFPID-31005"
        },
        "product_reference": "CSAFPID-21001",
        "relates_to_product_reference": "CSAFPID-11005"
      },
      {
        "category": "installed_on",
        "full_product_name": {
          "name": "Firmware \u003c4.2.0 installed on CP915",
          "product_id": "CSAFPID-31006"
        },
        "product_reference": "CSAFPID-21001",
        "relates_to_product_reference": "CSAFPID-11006"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2019-19885",
      "cwe": {
        "id": "CWE-862",
        "name": "Missing Authorization"
      },
      "notes": [
        {
          "audience": "all",
          "category": "description",
          "text": "In Bender COMTRAXX, user authorization is validated for most, but not all, routes in the system. A user with knowledge about the routes can read and write configuration data without prior authorization. This affects COM465IP, COM465DP, COM465ID, CP700, CP907, and CP915 devices before 4.2.0.",
          "title": "Vulnerability Description"
        }
      ],
      "product_status": {
        "fixed": [
          "CSAFPID-32001",
          "CSAFPID-32002",
          "CSAFPID-32003",
          "CSAFPID-32004",
          "CSAFPID-32005",
          "CSAFPID-32006"
        ],
        "known_affected": [
          "CSAFPID-31001",
          "CSAFPID-31002",
          "CSAFPID-31003",
          "CSAFPID-31004",
          "CSAFPID-31005",
          "CSAFPID-31006"
        ]
      },
      "remediations": [
        {
          "category": "mitigation",
          "details": "\u2022 restrict network access to the above-mentioned devices\n\n\u2022 install latest software update",
          "group_ids": [
            "CSAFGID-0001"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "Please install V4.2.0. (https://www.bender.de/service-support/downloadbereich)",
          "group_ids": [
            "CSAFGID-0001"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 9.1,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "environmentalScore": 9.1,
            "environmentalSeverity": "CRITICAL",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "temporalScore": 9.1,
            "temporalSeverity": "CRITICAL",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-31001",
            "CSAFPID-31002",
            "CSAFPID-31003",
            "CSAFPID-31004",
            "CSAFPID-31005",
            "CSAFPID-31006"
          ]
        }
      ],
      "title": "CVE-2019-19885"
    }
  ]
}


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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.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.