{
    "CVE_data_meta": {
        "ASSIGNER": "psirt@paloaltonetworks.com",
        "DATE_PUBLIC": "2020-06-10T16:00:00.000Z",
        "ID": "CVE-2020-2023",
        "STATE": "PUBLIC",
        "TITLE": "Kata Containers - Containers have access to the guest root filesystem device"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Kata Containers",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_name": "1.11",
                                            "version_value": "1.11.1"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "1.10",
                                            "version_value": "1.10.5"
                                        },
                                        {
                                            "version_affected": "<=",
                                            "version_name": "1",
                                            "version_value": "1.9"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "Kata Containers"
                }
            ]
        }
    },
    "configuration": [
        {
            "lang": "eng",
            "value": "Affects QEMU and Cloud Hypervisor guests on the default configuration. Doesn't affect initrd (initramfs) based guests. Requires the container to have CAP_SYS_MKNOD, the default in Docker and Kubernetes with containerd, but not in Kubernetes with CRI-O."
        }
    ],
    "credit": [
        {
            "lang": "eng",
            "value": "Yuval Avrahami, Palo Alto Networks"
        }
    ],
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "Kata Containers doesn't restrict containers from accessing the guest's root filesystem device. Malicious containers can exploit this to gain code execution on the guest and masquerade as the kata-agent. This issue affects Kata Containers 1.11 versions earlier than 1.11.1; Kata Containers 1.10 versions earlier than 1.10.5; and Kata Containers 1.9 and earlier versions."
            }
        ]
    },
    "generator": {
        "engine": "Vulnogram 0.0.9"
    },
    "impact": {
        "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 3.8,
            "baseSeverity": "LOW",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N",
            "version": "3.1"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-250 Execution with Unnecessary Privileges"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "MISC",
                "url": "https://github.com/kata-containers/runtime/pull/2487",
                "name": "https://github.com/kata-containers/runtime/pull/2487"
            },
            {
                "refsource": "MISC",
                "url": "https://github.com/kata-containers/runtime/pull/2477",
                "name": "https://github.com/kata-containers/runtime/pull/2477"
            },
            {
                "refsource": "MISC",
                "url": "https://github.com/kata-containers/runtime/issues/2488",
                "name": "https://github.com/kata-containers/runtime/issues/2488"
            },
            {
                "refsource": "MISC",
                "url": "https://github.com/kata-containers/agent/issues/791",
                "name": "https://github.com/kata-containers/agent/issues/791"
            },
            {
                "refsource": "MISC",
                "url": "https://github.com/kata-containers/agent/pull/792",
                "name": "https://github.com/kata-containers/agent/pull/792"
            },
            {
                "refsource": "MISC",
                "url": "https://github.com/kata-containers/runtime/releases/tag/1.11.1",
                "name": "https://github.com/kata-containers/runtime/releases/tag/1.11.1"
            },
            {
                "refsource": "MISC",
                "url": "https://github.com/kata-containers/runtime/releases/tag/1.10.5",
                "name": "https://github.com/kata-containers/runtime/releases/tag/1.10.5"
            }
        ]
    },
    "source": {
        "discovery": "EXTERNAL"
    }
}