{
  "id": "CVE-2020-8554",
  "sourceIdentifier": "jordan@liggitt.net",
  "published": "2021-01-21T17:15:13.843",
  "lastModified": "2023-11-07T03:26:37.237",
  "vulnStatus": "Modified",
  "descriptions": [
    {
      "lang": "en",
      "value": "Kubernetes API server in all versions allow an attacker who is able to create a ClusterIP service and set the spec.externalIPs field, to intercept traffic to that IP address. Additionally, an attacker who is able to patch the status (which is considered a privileged operation and should not typically be granted to users) of a LoadBalancer service can set the status.loadBalancer.ingress.ip to similar effect."
    },
    {
      "lang": "es",
      "value": "El servidor de la API de Kubernetes en todas las versiones permite a un atacante que puede crear un servicio ClusterIP y establecer el campo spec.externalIPs, interceptar el tr\u00e1fico a esa direcci\u00f3n IP. Adicionalmente, un atacante que sea capaz de parchear el estado (que se considera una operaci\u00f3n privilegiada y no se debe t\u00edpicamente otorgar a los usuarios) de un servicio LoadBalancer puede configurar el status.loadBalancer.ingress.ip con un efecto similar"
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L",
          "attackVector": "NETWORK",
          "attackComplexity": "HIGH",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "availabilityImpact": "LOW",
          "baseScore": 5.0,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 1.6,
        "impactScore": 3.4
      },
      {
        "source": "jordan@liggitt.net",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "availabilityImpact": "LOW",
          "baseScore": 6.3,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.4
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:M/Au:S/C:P/I:P/A:P",
          "accessVector": "NETWORK",
          "accessComplexity": "MEDIUM",
          "authentication": "SINGLE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "PARTIAL",
          "baseScore": 6.0
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 6.8,
        "impactScore": 6.4,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    },
    {
      "source": "jordan@liggitt.net",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-283"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "044D3402-749F-4BEA-9F7E-16F7839654FE"
            }
          ]
        }
      ]
    },
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:oracle:communications_cloud_native_core_network_slice_selection_function:1.2.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "ADE6EF8F-1F05-429B-A916-76FDB20CEB81"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:oracle:communications_cloud_native_core_policy:1.15.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "B4367D9B-BF81-47AD-A840-AC46317C774D"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:oracle:communications_cloud_native_core_service_communication_proxy:1.14.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "0AB059F2-FEC4-4180-8A90-39965495055E"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://github.com/kubernetes/kubernetes/issues/97076",
      "source": "jordan@liggitt.net",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://groups.google.com/g/kubernetes-security-announce/c/iZWsF9nbKE8",
      "source": "jordan@liggitt.net",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://lists.apache.org/thread.html/r0c76b3d0be348f788cd947054141de0229af00c540564711e828fd40%40%3Ccommits.druid.apache.org%3E",
      "source": "jordan@liggitt.net"
    },
    {
      "url": "https://lists.apache.org/thread.html/r1975078e44d96f2a199aa90aa874b57a202eaf7f25f2fde6d1c44942%40%3Ccommits.druid.apache.org%3E",
      "source": "jordan@liggitt.net"
    },
    {
      "url": "https://lists.apache.org/thread.html/rcafa485d63550657f068775801aeb706b7a07140a8ebbdef822b3bb3%40%3Ccommits.druid.apache.org%3E",
      "source": "jordan@liggitt.net"
    },
    {
      "url": "https://lists.apache.org/thread.html/rdb223e1b82e3d7d8e4eaddce8dd1ab87252e3935cc41c859f49767b6%40%3Ccommits.druid.apache.org%3E",
      "source": "jordan@liggitt.net"
    },
    {
      "url": "https://www.oracle.com//security-alerts/cpujul2021.html",
      "source": "jordan@liggitt.net",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://www.oracle.com/security-alerts/cpuapr2022.html",
      "source": "jordan@liggitt.net",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://www.oracle.com/security-alerts/cpujan2022.html",
      "source": "jordan@liggitt.net",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ]
    }
  ]
}