{
  "document": {
    "aggregate_severity": {
      "namespace": "https://access.redhat.com/security/updates/classification/",
      "text": "Moderate"
    },
    "category": "csaf_vex",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en",
    "notes": [
      {
        "category": "summary",
        "text": "An update for openshift-enterprise-hyperkube-container is now available for Red Hat OpenShift Container Platform 4.3.\n\nRed Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.",
        "title": "Topic"
      },
      {
        "category": "general",
        "text": "Red Hat OpenShift Container Platform is Red Hat\u0027s cloud computing\nKubernetes application platform solution designed for on-premise or private\ncloud deployments.\n\nSecurity Fix(es):\n\n* kubernetes: A flaw was found in Kubernetes that allows attackers on adjacent networks to reach services exposed on localhost ports, previously thought to be unreachable. This flaw allows an attacker to gain privileges or access confidential information for any services listening on localhost ports that are not protected by authentication. (CVE-2020-8558)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
        "title": "Details"
      },
      {
        "category": "legal_disclaimer",
        "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
        "title": "Terms of Use"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "https://access.redhat.com/security/team/contact/",
      "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat offerings.",
      "name": "Red Hat Product Security",
      "namespace": "https://www.redhat.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "https://access.redhat.com/errata/RHSA-2020:3184",
        "url": "https://access.redhat.com/errata/RHSA-2020:3184"
      },
      {
        "category": "external",
        "summary": "https://access.redhat.com/security/updates/classification/#moderate",
        "url": "https://access.redhat.com/security/updates/classification/#moderate"
      },
      {
        "category": "external",
        "summary": "1843358",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1843358"
      },
      {
        "category": "self",
        "summary": "Canonical URL",
        "url": "https://access.redhat.com/security/data/csaf/v2/advisories/2020/rhsa-2020_3184.json"
      }
    ],
    "title": "Red Hat Security Advisory: OpenShift Container Platform 4.3.31 openshift-enterprise-hyperkube-container security update",
    "tracking": {
      "current_release_date": "2024-09-16T04:19:56+00:00",
      "generator": {
        "date": "2024-09-16T04:19:56+00:00",
        "engine": {
          "name": "Red Hat SDEngine",
          "version": "3.33.3"
        }
      },
      "id": "RHSA-2020:3184",
      "initial_release_date": "2020-08-05T10:26:30+00:00",
      "revision_history": [
        {
          "date": "2020-08-05T10:26:30+00:00",
          "number": "1",
          "summary": "Initial version"
        },
        {
          "date": "2020-08-05T10:26:30+00:00",
          "number": "2",
          "summary": "Last updated version"
        },
        {
          "date": "2024-09-16T04:19:56+00:00",
          "number": "3",
          "summary": "Last generated version"
        }
      ],
      "status": "final",
      "version": "3"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_name",
                "name": "Red Hat OpenShift Container Platform 4.3",
                "product": {
                  "name": "Red Hat OpenShift Container Platform 4.3",
                  "product_id": "7Server-RH7-RHOSE-4.3",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:redhat:openshift:4.3::el7"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "Red Hat OpenShift Enterprise"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "openshift4/ose-hyperkube@sha256:96af3c6ba7ed5a52350cfeb1ebecce7bf39743eeeca872c4de3c962b23fbf81a_ppc64le",
                "product": {
                  "name": "openshift4/ose-hyperkube@sha256:96af3c6ba7ed5a52350cfeb1ebecce7bf39743eeeca872c4de3c962b23fbf81a_ppc64le",
                  "product_id": "openshift4/ose-hyperkube@sha256:96af3c6ba7ed5a52350cfeb1ebecce7bf39743eeeca872c4de3c962b23fbf81a_ppc64le",
                  "product_identification_helper": {
                    "purl": "pkg:oci/ose-hyperkube@sha256:96af3c6ba7ed5a52350cfeb1ebecce7bf39743eeeca872c4de3c962b23fbf81a?arch=ppc64le\u0026repository_url=registry.redhat.io/openshift4/ose-hyperkube\u0026tag=v4.3.31"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "ppc64le"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "openshift4/ose-hyperkube@sha256:f9bdfc3dab76dbe7b39892f97997a94e444acf37801a8a53592b55a05cef331a_s390x",
                "product": {
                  "name": "openshift4/ose-hyperkube@sha256:f9bdfc3dab76dbe7b39892f97997a94e444acf37801a8a53592b55a05cef331a_s390x",
                  "product_id": "openshift4/ose-hyperkube@sha256:f9bdfc3dab76dbe7b39892f97997a94e444acf37801a8a53592b55a05cef331a_s390x",
                  "product_identification_helper": {
                    "purl": "pkg:oci/ose-hyperkube@sha256:f9bdfc3dab76dbe7b39892f97997a94e444acf37801a8a53592b55a05cef331a?arch=s390x\u0026repository_url=registry.redhat.io/openshift4/ose-hyperkube\u0026tag=v4.3.31"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "s390x"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "openshift4/ose-hyperkube@sha256:e5446b29f5856c8547c4217c8a0aacbc0a9a6760ff39acb4ac70c19f4501bc90_amd64",
                "product": {
                  "name": "openshift4/ose-hyperkube@sha256:e5446b29f5856c8547c4217c8a0aacbc0a9a6760ff39acb4ac70c19f4501bc90_amd64",
                  "product_id": "openshift4/ose-hyperkube@sha256:e5446b29f5856c8547c4217c8a0aacbc0a9a6760ff39acb4ac70c19f4501bc90_amd64",
                  "product_identification_helper": {
                    "purl": "pkg:oci/ose-hyperkube@sha256:e5446b29f5856c8547c4217c8a0aacbc0a9a6760ff39acb4ac70c19f4501bc90?arch=amd64\u0026repository_url=registry.redhat.io/openshift4/ose-hyperkube\u0026tag=v4.3.31"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "amd64"
          }
        ],
        "category": "vendor",
        "name": "Red Hat"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "openshift4/ose-hyperkube@sha256:96af3c6ba7ed5a52350cfeb1ebecce7bf39743eeeca872c4de3c962b23fbf81a_ppc64le as a component of Red Hat OpenShift Container Platform 4.3",
          "product_id": "7Server-RH7-RHOSE-4.3:openshift4/ose-hyperkube@sha256:96af3c6ba7ed5a52350cfeb1ebecce7bf39743eeeca872c4de3c962b23fbf81a_ppc64le"
        },
        "product_reference": "openshift4/ose-hyperkube@sha256:96af3c6ba7ed5a52350cfeb1ebecce7bf39743eeeca872c4de3c962b23fbf81a_ppc64le",
        "relates_to_product_reference": "7Server-RH7-RHOSE-4.3"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "openshift4/ose-hyperkube@sha256:e5446b29f5856c8547c4217c8a0aacbc0a9a6760ff39acb4ac70c19f4501bc90_amd64 as a component of Red Hat OpenShift Container Platform 4.3",
          "product_id": "7Server-RH7-RHOSE-4.3:openshift4/ose-hyperkube@sha256:e5446b29f5856c8547c4217c8a0aacbc0a9a6760ff39acb4ac70c19f4501bc90_amd64"
        },
        "product_reference": "openshift4/ose-hyperkube@sha256:e5446b29f5856c8547c4217c8a0aacbc0a9a6760ff39acb4ac70c19f4501bc90_amd64",
        "relates_to_product_reference": "7Server-RH7-RHOSE-4.3"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "openshift4/ose-hyperkube@sha256:f9bdfc3dab76dbe7b39892f97997a94e444acf37801a8a53592b55a05cef331a_s390x as a component of Red Hat OpenShift Container Platform 4.3",
          "product_id": "7Server-RH7-RHOSE-4.3:openshift4/ose-hyperkube@sha256:f9bdfc3dab76dbe7b39892f97997a94e444acf37801a8a53592b55a05cef331a_s390x"
        },
        "product_reference": "openshift4/ose-hyperkube@sha256:f9bdfc3dab76dbe7b39892f97997a94e444acf37801a8a53592b55a05cef331a_s390x",
        "relates_to_product_reference": "7Server-RH7-RHOSE-4.3"
      }
    ]
  },
  "vulnerabilities": [
    {
      "acknowledgments": [
        {
          "names": [
            "the Kubernetes Product Security Committee"
          ]
        },
        {
          "names": [
            "Yuval Avrahami",
            "Ariel Zelivansky"
          ],
          "organization": "Palo Alto Networks",
          "summary": "Acknowledged by upstream."
        },
        {
          "names": [
            "J\u00e1nos K\u00f6v\u00e9r"
          ],
          "organization": "Ericsson",
          "summary": "Acknowledged by upstream."
        },
        {
          "names": [
            "Rory McCune"
          ],
          "organization": "NCC Group",
          "summary": "Acknowledged by upstream."
        }
      ],
      "cve": "CVE-2020-8558",
      "cwe": {
        "id": "CWE-300",
        "name": "Channel Accessible by Non-Endpoint"
      },
      "discovery_date": "2020-05-29T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1843358"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in Kubernetes that allows attackers on adjacent networks to reach services exposed on localhost ports, previously thought to be unreachable. This flaw allows an attacker to gain privileges or access confidential information for any services listening on localhost ports that are not protected by authentication.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "kubernetes: node localhost services reachable via martian packets",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "OpenShift Container Platform does not expose the API server on a localhost port without authentication. The only service exposed on a localhost port not protected by authentication is Metrics, which exposes some cluster metadata.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
        "fixed": [
          "7Server-RH7-RHOSE-4.3:openshift4/ose-hyperkube@sha256:96af3c6ba7ed5a52350cfeb1ebecce7bf39743eeeca872c4de3c962b23fbf81a_ppc64le",
          "7Server-RH7-RHOSE-4.3:openshift4/ose-hyperkube@sha256:e5446b29f5856c8547c4217c8a0aacbc0a9a6760ff39acb4ac70c19f4501bc90_amd64",
          "7Server-RH7-RHOSE-4.3:openshift4/ose-hyperkube@sha256:f9bdfc3dab76dbe7b39892f97997a94e444acf37801a8a53592b55a05cef331a_s390x"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2020-8558"
        },
        {
          "category": "external",
          "summary": "RHBZ#1843358",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1843358"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2020-8558",
          "url": "https://www.cve.org/CVERecord?id=CVE-2020-8558"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-8558",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-8558"
        },
        {
          "category": "external",
          "summary": "https://groups.google.com/g/kubernetes-security-announce/c/B1VegbBDMTE",
          "url": "https://groups.google.com/g/kubernetes-security-announce/c/B1VegbBDMTE"
        }
      ],
      "release_date": "2020-07-08T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "For OpenShift Container Platform 4.3 see the following documentation, which\nwill be updated shortly for release 4.3.32, for important instructions on\nhow to upgrade your cluster and fully apply this asynchronous errata\nupdate:\n\nhttps://docs.openshift.com/container-platform/4.3/release_notes/ocp-4-3-release-notes.html\n\nDetails on how to access this content are available at\nhttps://docs.openshift.com/container-platform/4.3/updating/updating-cluster-cli.html.",
          "product_ids": [
            "7Server-RH7-RHOSE-4.3:openshift4/ose-hyperkube@sha256:96af3c6ba7ed5a52350cfeb1ebecce7bf39743eeeca872c4de3c962b23fbf81a_ppc64le",
            "7Server-RH7-RHOSE-4.3:openshift4/ose-hyperkube@sha256:e5446b29f5856c8547c4217c8a0aacbc0a9a6760ff39acb4ac70c19f4501bc90_amd64",
            "7Server-RH7-RHOSE-4.3:openshift4/ose-hyperkube@sha256:f9bdfc3dab76dbe7b39892f97997a94e444acf37801a8a53592b55a05cef331a_s390x"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2020:3184"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.4,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
            "version": "3.1"
          },
          "products": [
            "7Server-RH7-RHOSE-4.3:openshift4/ose-hyperkube@sha256:96af3c6ba7ed5a52350cfeb1ebecce7bf39743eeeca872c4de3c962b23fbf81a_ppc64le",
            "7Server-RH7-RHOSE-4.3:openshift4/ose-hyperkube@sha256:e5446b29f5856c8547c4217c8a0aacbc0a9a6760ff39acb4ac70c19f4501bc90_amd64",
            "7Server-RH7-RHOSE-4.3:openshift4/ose-hyperkube@sha256:f9bdfc3dab76dbe7b39892f97997a94e444acf37801a8a53592b55a05cef331a_s390x"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "kubernetes: node localhost services reachable via martian packets"
    }
  ]
}