CVE-2022-0759

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{"affected": [{"affectedData": [{"product": "kubeclient", "vendor": "n/a", "versions": [{"status": "affected", "version": "4.9.3"}]}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:redhat:kubeclient:*:*:*:*:*:ruby:*:*", "matchCriteriaId": "4CCE4A28-6BE3-483A-B6B5-95A9D554800A", "versionEndExcluding": "4.9.3", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A flaw was found in all versions of kubeclient up to (but not including) v4.9.3, the Ruby client for Kubernetes REST API, in the way it parsed kubeconfig files. When the kubeconfig file does not configure custom CA to verify certs, kubeclient ends up accepting any certificate (it wrongly returns VERIFY_NONE). Ruby applications that leverage kubeclient to parse kubeconfig files are susceptible to Man-in-the-middle attacks (MITM)."}, {"lang": "es", "value": "Se ha encontrado un fallo en todas las versiones de kubeclient hasta (pero sin incluir) la v4.9.3, el cliente Ruby para la API REST de Kubernetes, en la forma en que analiza los archivos kubeconfig. Cuando el archivo kubeconfig no configura la CA personalizada para verificar los certificados, kubeclient acaba aceptando cualquier certificado (devuelve err\u00f3neamente VERIFY_NONE). Las aplicaciones Ruby que aprovechan kubeclient para analizar los archivos kubeconfig son susceptibles de ataques de tipo Man-in-the-middle (MITM)"}], "id": "CVE-2022-0759", "lastModified": "2026-06-17T04:21:11.727", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-03-25T19:15:10.283", "references": [{"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://github.com/ManageIQ/kubeclient/issues/554"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://github.com/ManageIQ/kubeclient/issues/555"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://github.com/ManageIQ/kubeclient/issues/554"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://github.com/ManageIQ/kubeclient/issues/555"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-295"}], "source": "secalert@redhat.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-295"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "This issue was discovered by Beni Paskin Cherniavsky (Red Hat).", "affected_release": [{"advisory": "RHSA-2022:1461", "cpe": "cpe:/a:redhat:logging:5.4::el8", "impact": "moderate", "package": "openshift-logging/fluentd-rhel8:v1.14.5-3", "product_name": "Logging subsystem for Red Hat OpenShift 5.4", "release_date": "2022-04-20T00:00:00Z"}, {"advisory": "RHSA-2022:2218", "cpe": "cpe:/a:redhat:logging:5.2::el8", "impact": "moderate", "package": "openshift-logging/fluentd-rhel8:v1.7.4-176", "product_name": "OpenShift Logging 5.2", "release_date": "2022-05-11T00:00:00Z"}, {"advisory": "RHSA-2022:2217", "cpe": "cpe:/a:redhat:logging:5.3::el8", "impact": "moderate", "package": "openshift-logging/fluentd-rhel8:v1.7.4-178", "product_name": "OpenShift Logging 5.3", "release_date": "2022-05-11T00:00:00Z"}, {"advisory": "RHSA-2023:6818", "cpe": "cpe:/a:redhat:satellite:6.14::el8", "impact": "low", "package": "rubygem-kubeclient-0:4.10.1-1.el8sat", "product_name": "Red Hat Satellite 6.14 for RHEL 8", "release_date": "2023-11-08T00:00:00Z"}, {"advisory": "RHSA-2022:6051", "cpe": "cpe:/a:redhat:logging:5.5::el8", "impact": "moderate", "package": "openshift-logging/fluentd-rhel8:v1.14.6-29", "product_name": "RHOL-5.5-RHEL-8", "release_date": "2022-08-18T00:00:00Z"}], "bugzilla": {"description": "kubeclient: kubeconfig parsing error can lead to MITM attacks", "id": "2058404", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2058404"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.3", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-295", "details": ["A flaw was found in all versions of kubeclient up to (but not including) v4.9.3, the Ruby client for Kubernetes REST API, in the way it parsed kubeconfig files. When the kubeconfig file does not configure custom CA to verify certs, kubeclient ends up accepting any certificate (it wrongly returns VERIFY_NONE). Ruby applications that leverage kubeclient to parse kubeconfig files are susceptible to Man-in-the-middle attacks (MITM).", "A flaw was found in kubeclient, the Ruby client for Kubernetes REST API, in the way it parsed kubeconfig files. When the kubeconfig file does not configure custom CA to verify certs, kubeclient ends up accepting any certificate (it wrongly returns VERIFY_NONE). Ruby applications that leverage kubeclient to parse kubeconfig files are susceptible to Man-in-the-middle attacks (MITM)."], "name": "CVE-2022-0759", "package_state": [{"cpe": "cpe:/a:redhat:logging:5", "fix_state": "Affected", "package_name": "rubygem-kubeclient", "product_name": "Logging Subsystem for Red Hat OpenShift"}, {"cpe": "cpe:/a:redhat:service_mesh:2.1", "fix_state": "Not affected", "package_name": "servicemesh", "product_name": "OpenShift Service Mesh 2.1"}, {"cpe": "cpe:/a:redhat:openshift:3.11", "fix_state": "Will not fix", "package_name": "rubygem-kubeclient", "product_name": "Red Hat OpenShift Container Platform 3.11"}, {"cpe": "cpe:/a:redhat:openshift_gitops:1", "fix_state": "Will not fix", "package_name": "openshift-gitops-1/argocd-rhel8", "product_name": "Red Hat OpenShift GitOps"}], "public_date": "2022-03-22T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-0759\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-0759"], "threat_severity": "Important"}

{}