{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2023-26484",
        "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "state": "PUBLISHED",
        "assignerShortName": "GitHub_M",
        "dateReserved": "2023-02-23T23:22:58.575Z",
        "datePublished": "2023-03-15T20:40:17.424Z",
        "dateUpdated": "2024-08-02T11:53:54.297Z"
    },
    "containers": {
        "cna": {
            "title": "On a compromised KubeVirt node, the virt-handler service account can be used to modify all node specs",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-863",
                            "lang": "en",
                            "description": "CWE-863: Incorrect Authorization",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "attackComplexity": "HIGH",
                        "attackVector": "NETWORK",
                        "availabilityImpact": "NONE",
                        "baseScore": 8.2,
                        "baseSeverity": "HIGH",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "HIGH",
                        "privilegesRequired": "LOW",
                        "scope": "CHANGED",
                        "userInteraction": "NONE",
                        "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N",
                        "version": "3.1"
                    }
                }
            ],
            "references": [
                {
                    "name": "https://github.com/kubevirt/kubevirt/security/advisories/GHSA-cp96-jpmq-xrr2",
                    "tags": [
                        "x_refsource_CONFIRM"
                    ],
                    "url": "https://github.com/kubevirt/kubevirt/security/advisories/GHSA-cp96-jpmq-xrr2"
                },
                {
                    "name": "https://github.com/kubevirt/kubevirt/issues/9109",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/kubevirt/kubevirt/issues/9109"
                }
            ],
            "affected": [
                {
                    "vendor": "kubevirt",
                    "product": "kubevirt",
                    "versions": [
                        {
                            "version": "<= 0.59.0",
                            "status": "affected"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
                "shortName": "GitHub_M",
                "dateUpdated": "2023-03-15T20:40:17.424Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "KubeVirt is a virtual machine management add-on for Kubernetes. In versions 0.59.0 and prior, if a malicious user has taken over a Kubernetes node where virt-handler (the KubeVirt node-daemon) is running, the virt-handler service account can be used to modify all node specs. This can be misused to lure-in system-level-privileged components which can, for instance, read all secrets on the cluster, or can exec into pods on other nodes. This way, a compromised node can be used to elevate privileges beyond the node until potentially having full privileged access to the whole cluster. The simplest way to exploit this, once a user could compromise a specific node, is to set with the virt-handler service account all other nodes to unschedulable and simply wait until system-critical components with high privileges appear on its node. No patches are available as of time of publication. As a workaround, gatekeeper users can add a webhook which will block the `virt-handler` service account to modify the spec of a node."
                }
            ],
            "source": {
                "advisory": "GHSA-cp96-jpmq-xrr2",
                "discovery": "UNKNOWN"
            }
        },
        "adp": [
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-02T11:53:54.297Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "name": "https://github.com/kubevirt/kubevirt/security/advisories/GHSA-cp96-jpmq-xrr2",
                        "tags": [
                            "x_refsource_CONFIRM",
                            "x_transferred"
                        ],
                        "url": "https://github.com/kubevirt/kubevirt/security/advisories/GHSA-cp96-jpmq-xrr2"
                    },
                    {
                        "name": "https://github.com/kubevirt/kubevirt/issues/9109",
                        "tags": [
                            "x_refsource_MISC",
                            "x_transferred"
                        ],
                        "url": "https://github.com/kubevirt/kubevirt/issues/9109"
                    }
                ]
            }
        ]
    }
}