{
    "CVE_data_meta": {
        "ASSIGNER": "security@kubernetes.io",
        "DATE_PUBLIC": "2019-11-14",
        "ID": "CVE-2019-11255",
        "STATE": "PUBLIC",
        "TITLE": "Kubernetes CSI volume snapshot, cloning and resizing features can result in unauthorized volume data access or mutation"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "kubernetes-csi external-provisioner",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_name": "v1.14",
                                            "version_value": "prior to 0.4.3"
                                        },
                                        {
                                            "version_value": "prior to 1.0.2"
                                        },
                                        {
                                            "version_value": "1.1"
                                        },
                                        {
                                            "version_value": "prior to 1.2.2"
                                        },
                                        {
                                            "version_value": "prior to 1.3.1"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "kubernetes-csi external-snapshotter",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "prior to 0.4.2"
                                        },
                                        {
                                            "version_value": "prior to 1.0.2"
                                        },
                                        {
                                            "version_value": "1.1"
                                        },
                                        {
                                            "version_value": "prior to 1.2.2"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "kubernetes-csi external-resizer",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "0.1"
                                        },
                                        {
                                            "version_value": "0.2"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "Kubernetes"
                }
            ]
        }
    },
    "credit": [
        {
            "lang": "eng",
            "value": "Xiangqian Yu"
        }
    ],
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "Improper input validation in Kubernetes CSI sidecar containers for external-provisioner (<v0.4.3, <v1.0.2, v1.1, <v1.2.2, <v1.3.1), external-snapshotter (<v0.4.2, <v1.0.2, v1.1, <1.2.2), and external-resizer (v0.1, v0.2) could result in unauthorized PersistentVolume data access or volume mutation during snapshot, restore from snapshot, cloning and resizing operations."
            }
        ]
    },
    "generator": {
        "engine": "Vulnogram 0.0.9"
    },
    "impact": {
        "cvss": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 4.8,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "LOW",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:L/A:N",
            "version": "3.1"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-20 Improper Input Validation"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "https://github.com/kubernetes/kubernetes/issues/85233",
                "refsource": "CONFIRM",
                "url": "https://github.com/kubernetes/kubernetes/issues/85233"
            },
            {
                "name": "Security release of kubernetes-csi sidecars - CVE-2019-11255",
                "refsource": "MLIST",
                "url": "https://groups.google.com/forum/#!topic/kubernetes-security-announce/aXiYN0q4uIw"
            },
            {
                "refsource": "REDHAT",
                "name": "RHSA-2019:4099",
                "url": "https://access.redhat.com/errata/RHSA-2019:4099"
            },
            {
                "refsource": "REDHAT",
                "name": "RHSA-2019:4096",
                "url": "https://access.redhat.com/errata/RHSA-2019:4096"
            },
            {
                "refsource": "REDHAT",
                "name": "RHSA-2019:4054",
                "url": "https://access.redhat.com/errata/RHSA-2019:4054"
            },
            {
                "refsource": "REDHAT",
                "name": "RHSA-2019:4225",
                "url": "https://access.redhat.com/errata/RHSA-2019:4225"
            },
            {
                "refsource": "CONFIRM",
                "name": "https://security.netapp.com/advisory/ntap-20200810-0003/",
                "url": "https://security.netapp.com/advisory/ntap-20200810-0003/"
            }
        ]
    },
    "source": {
        "defect": [
            "https://github.com/kubernetes/kubernetes/issues/85233"
        ],
        "discovery": "INTERNAL"
    },
    "work_around": [
        {
            "lang": "eng",
            "value": "Kubernetes feature gates can be disabled and RBAC permissions revoked from impacted CSI drivers, following instructions in https://github.com/kubernetes/kubernetes/issues/85233"
        }
    ]
}