Vulnerability-Lookup

FKIE_CVE-2018-1002104

Vulnerability from fkie_nvd - Published: 2020-01-14 21:15 - Updated: 2026-06-17 01:33

Severity

5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Summary

Versions < 1.5 of the Kubernetes ingress default backend, which handles invalid ingress traffic, exposed prometheus metrics publicly.

References

	URL	Tags
	jordan@liggitt.net	https://github.com/kubernetes/ingress-nginx/pull/3125	Patch, Third Party Advisory
	af854a3a-2127-422b-91ae-364da2661108	https://github.com/kubernetes/ingress-nginx/pull/3125	Patch, Third Party Advisory

Impacted products

	Vendor	Product	Version
	kubernetes	nginx_ingress_controller	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "k8s.gcr.io/defaultbackend",
          "vendor": "Kubernetes",
          "versions": [
            {
              "lessThan": "1.5",
              "status": "affected",
              "version": "defaultbackend",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "jordan@liggitt.net"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:kubernetes:nginx_ingress_controller:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "03C46310-16AE-475E-9CCA-53F78C896A1E",
              "versionEndExcluding": "1.5.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Versions \u003c 1.5 of the Kubernetes ingress default backend, which handles invalid ingress traffic, exposed prometheus metrics publicly."
    },
    {
      "lang": "es",
      "value": "Las versiones  anteriores a 1.5 del back-end predeterminado de ingreso de Kubernetes, que maneja el tr\u00e1fico de ingreso no v\u00e1lido, expuso p\u00fablicamente las m\u00e9tricas de prometeus."
    }
  ],
  "id": "CVE-2018-1002104",
  "lastModified": "2026-06-17T01:33:20.553",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 5.0,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4,
        "source": "jordan@liggitt.net",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2020-01-14T21:15:16.350",
  "references": [
    {
      "source": "jordan@liggitt.net",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/kubernetes/ingress-nginx/pull/3125"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/kubernetes/ingress-nginx/pull/3125"
    }
  ],
  "sourceIdentifier": "jordan@liggitt.net",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-215"
        }
      ],
      "source": "jordan@liggitt.net",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2018-1002104 (GCVE-0-2018-1002104)

Vulnerability from cvelistv5 – Published: 2020-01-14 20:15 – Updated: 2024-09-16 21:07

Summary

Versions < 1.5 of the Kubernetes ingress default backend, which handles invalid ingress traffic, exposed prometheus metrics publicly.

Severity

5.3 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CWE

CWE-215 - Information Exposure Through Debug Information

Assigner

kubernetes mitre root

References

1 reference

URL	Tags
https://github.com/kubernetes/ingress-nginx/pull/3125	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
Kubernetes	k8s.gcr.io/defaultbackend	Affected: defaultbackend , < 1.5 (custom)

Date Public

2018-09-25 00:00

Credits

Alexandre Malucelli

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T12:47:56.919Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/kubernetes/ingress-nginx/pull/3125"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "k8s.gcr.io/defaultbackend",
          "vendor": "Kubernetes",
          "versions": [
            {
              "lessThan": "1.5",
              "status": "affected",
              "version": "defaultbackend",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Alexandre Malucelli"
        }
      ],
      "datePublic": "2018-09-25T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "Versions \u003c 1.5 of the Kubernetes ingress default backend, which handles invalid ingress traffic, exposed prometheus metrics publicly."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-215",
              "description": "CWE-215 Information Exposure Through Debug Information",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-01-14T20:15:17.000Z",
        "orgId": "a6081bf6-c852-4425-ad4f-a67919267565",
        "shortName": "kubernetes"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/kubernetes/ingress-nginx/pull/3125"
        }
      ],
      "source": {
        "defect": [
          "https://github.com/kubernetes/ingress-nginx/issues/1733"
        ],
        "discovery": "USER"
      },
      "workarounds": [
        {
          "lang": "en",
          "value": "Mask the /metrics endpoint with an Ingress rule so that metrics aren\u0027t exposed publicly. See https://github.com/kubernetes/ingress-nginx/issues/1733#issuecomment-358492359"
        }
      ],
      "x_generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security@kubernetes.io",
          "DATE_PUBLIC": "2018-09-25",
          "ID": "CVE-2018-1002104",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "k8s.gcr.io/defaultbackend",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_name": "defaultbackend",
                            "version_value": "1.5"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Kubernetes"
              }
            ]
          }
        },
        "credit": [
          {
            "lang": "eng",
            "value": "Alexandre Malucelli"
          }
        ],
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "Versions \u003c 1.5 of the Kubernetes ingress default backend, which handles invalid ingress traffic, exposed prometheus metrics publicly."
            }
          ]
        },
        "generator": {
          "engine": "Vulnogram 0.0.9"
        },
        "impact": {
          "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-215 Information Exposure Through Debug Information"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/kubernetes/ingress-nginx/pull/3125",
              "refsource": "CONFIRM",
              "url": "https://github.com/kubernetes/ingress-nginx/pull/3125"
            }
          ]
        },
        "source": {
          "defect": [
            "https://github.com/kubernetes/ingress-nginx/issues/1733"
          ],
          "discovery": "USER"
        },
        "work_around": [
          {
            "lang": "en",
            "value": "Mask the /metrics endpoint with an Ingress rule so that metrics aren\u0027t exposed publicly. See https://github.com/kubernetes/ingress-nginx/issues/1733#issuecomment-358492359"
          }
        ]
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a6081bf6-c852-4425-ad4f-a67919267565",
    "assignerShortName": "kubernetes",
    "cveId": "CVE-2018-1002104",
    "datePublished": "2020-01-14T20:15:17.491Z",
    "dateReserved": "2018-12-05T00:00:00.000Z",
    "dateUpdated": "2024-09-16T21:07:22.919Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

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.
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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

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FKIE_CVE-2018-1002104

CVE-2018-1002104 (GCVE-0-2018-1002104)

Tags

Sightings

Nomenclature

Related by attack behaviour