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{"acknowledgement": "Red Hat would like to thank the Kubernetes Product Security Committee for reporting this issue. Upstream acknowledges Kaizhe Huang (derek0405) as the original reporter.", "affected_release": [{"advisory": "RHSA-2021:0037", "cpe": "cpe:/a:redhat:openshift:4.6::el8", "impact": "low", "package": "openshift4/ose-hyperkube:v4.6.0-202101090040.p0", "product_name": "Red Hat OpenShift Container Platform 4.6", "release_date": "2021-01-18T00:00:00Z"}, {"advisory": "RHSA-2020:5634", "cpe": "cpe:/a:redhat:openshift:4.7::el7", "impact": "low", "package": "openshift-0:4.7.0-202102060108.p0.git.97095.7271b90.el7", "product_name": "Red Hat OpenShift Container Platform 4.7", "release_date": "2021-02-24T00:00:00Z"}], "bugzilla": {"description": "kubernetes: Ceph RBD adminSecrets exposed in logs when loglevel >= 4", "id": "1886640", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1886640"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.3", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N", "status": "verified"}, "cwe": "CWE-117", "details": ["In Kubernetes clusters using Ceph RBD as a storage provisioner, with logging level of at least 4, Ceph RBD admin secrets can be written to logs. This occurs in kube-controller-manager's logs during provisioning of Ceph RBD persistent claims. This affects < v1.19.3, < v1.18.10, < v1.17.13.", "A flaw was found in kubernetes. If the logging level is to at least 4, and Ceph RBD is configured as a storage provisioner, then Ceph RBD admin secrets can be written to logs. This occurs in kube-controller-manager's logs during provisioning of Ceph RBD persistent claims."], "mitigation": {"lang": "en:us", "value": "OCP Clusters not using Ceph RBD volumes are not vulnerable to this issue. For clusters using Ceph RBD volumes, this can be mitigated by ensuring the logging level is below 4 and protecting unauthorized access to cluster logs.\nFor OCP, the logging level for core components can be configured using operators, e.g. for kube-controller-manager:\nhttps://docs.openshift.com/container-platform/latest/rest_api/operator_apis/kubecontrollermanager-operator-openshift-io-v1.html#specification\nIn OCP, a logging level of \"Debug\" is equivalent to 4: \nhttps://github.com/openshift/api/blob/master/operator/v1/types.go#L96\nThe default logging level is \"Normal\", which is equivalent to 2. Clusters running with the default level are not vulnerable to this issue."}, "name": "CVE-2020-8566", "package_state": [{"cpe": "cpe:/a:redhat:openshift:3.11", "fix_state": "Will not fix", "package_name": "atomic-openshift", "product_name": "Red Hat OpenShift Container Platform 3.11"}, {"cpe": "cpe:/a:redhat:storage:3", "fix_state": "Not affected", "package_name": "heketi", "product_name": "Red Hat Storage 3"}], "public_date": "2020-10-14T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2020-8566\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-8566\nhttps://github.com/kubernetes/kubernetes/issues/95624\nhttps://groups.google.com/g/kubernetes-announce/c/ScdmyORnPDk"], "statement": "OpenShift Container Platform 4 does not support Ceph RBD persistent volumes, however the vulnerable code is included.", "threat_severity": "Moderate"}