{
    "CVE_data_meta": {
        "ASSIGNER": "security@kubernetes.io",
        "DATE_PUBLIC": "2018-09-26",
        "ID": "CVE-2018-1002102",
        "STATE": "PUBLIC",
        "TITLE": "Kubernetes API server follows unvalidated redirects from streaming Kubelet endpoints"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Kubernetes",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_name": "v1.14",
                                            "version_value": "v1.14.0"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "Kubernetes"
                }
            ]
        }
    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "Improper validation of URL redirection in the Kubernetes API server in versions prior to v1.14.0 allows an attacker-controlled Kubelet to redirect API server requests from streaming endpoints to arbitrary hosts. Impacted API servers will follow the redirect as a GET request with client-certificate credentials for authenticating to the Kubelet."
            }
        ]
    },
    "generator": {
        "engine": "Vulnogram 0.0.9"
    },
    "impact": {
        "cvss": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 2.6,
            "baseSeverity": "LOW",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "HIGH",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:L/I:N/A:N",
            "version": "3.1"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-601 URL Redirection to Untrusted Site ('Open Redirect')"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "https://github.com/kubernetes/kubernetes/issues/85867",
                "refsource": "CONFIRM",
                "url": "https://github.com/kubernetes/kubernetes/issues/85867"
            },
            {
                "refsource": "FEDORA",
                "name": "FEDORA-2020-943f4b03d2",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Q56CULSH7F7BC4NPS67ZS23ZCLL5TIVK/"
            }
        ]
    },
    "source": {
        "defect": [
            "https://github.com/kubernetes/kubernetes/issues/85867"
        ],
        "discovery": "USER"
    },
    "work_around": [
        {
            "lang": "eng",
            "value": "For Kubernetes versions >= v1.10.0, the ValidateProxyRedirects feature can be manually enabled with the kube-apiserver flag --feature-gates=ValidateProxyRedirects=true"
        }
    ]
}