{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2021-4235", "assignerOrgId": "1bb62c36-49e3-4200-9d77-64a1400537cc", "state": "PUBLISHED", "assignerShortName": "Go", "dateReserved": "2022-07-29T18:56:20.415Z", "datePublished": "2022-12-27T21:13:42.393Z", "dateUpdated": "2024-08-03T17:23:09.096Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1bb62c36-49e3-4200-9d77-64a1400537cc", "shortName": "Go", "dateUpdated": "2023-06-12T19:04:08.123Z"}, "title": "Denial of service in gopkg.in/yaml.v2", "descriptions": [{"lang": "en", "value": "Due to unbounded alias chasing, a maliciously crafted YAML file can cause the system to consume significant system resources. If parsing user input, this may be used as a denial of service vector."}], "affected": [{"vendor": "gopkg.in/yaml.v2", "product": "gopkg.in/yaml.v2", "collectionURL": "https://pkg.go.dev", "packageName": "gopkg.in/yaml.v2", "versions": [{"version": "0", "lessThan": "2.2.3", "status": "affected", "versionType": "semver"}], "programRoutines": [{"name": "decoder.unmarshal"}, {"name": "Decoder.Decode"}, {"name": "Unmarshal"}, {"name": "UnmarshalStrict"}], "defaultStatus": "unaffected"}, {"vendor": "github.com/go-yaml/yaml", "product": "github.com/go-yaml/yaml", "collectionURL": "https://pkg.go.dev", "packageName": "github.com/go-yaml/yaml", "programRoutines": [{"name": "decoder.unmarshal"}, {"name": "Decoder.Decode"}, {"name": "Unmarshal"}, {"name": "UnmarshalStrict"}], "defaultStatus": "affected"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE 400: Uncontrolled Resource Consumption"}]}], "references": [{"url": "https://github.com/go-yaml/yaml/pull/375"}, {"url": "https://github.com/go-yaml/yaml/commit/bb4e33bf68bf89cad44d386192cbed201f35b241"}, {"url": "https://pkg.go.dev/vuln/GO-2021-0061"}, {"url": "https://lists.debian.org/debian-lts-announce/2023/07/msg00001.html"}], "credits": [{"lang": "en", "value": "@simonferquel"}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T17:23:09.096Z"}, "title": "CVE Program Container", "references": [{"url": "https://github.com/go-yaml/yaml/pull/375", "tags": ["x_transferred"]}, {"url": "https://github.com/go-yaml/yaml/commit/bb4e33bf68bf89cad44d386192cbed201f35b241", "tags": ["x_transferred"]}, {"url": "https://pkg.go.dev/vuln/GO-2021-0061", "tags": ["x_transferred"]}, {"url": "https://lists.debian.org/debian-lts-announce/2023/07/msg00001.html", "tags": ["x_transferred"]}]}]}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:yaml_project:yaml:*:*:*:*:*:go:*:*", "matchCriteriaId": "6ADB4662-19BA-4FB2-88FB-0D8309DE5DB0", "versionEndExcluding": "2.2.3", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Due to unbounded alias chasing, a maliciously crafted YAML file can cause the system to consume significant system resources. If parsing user input, this may be used as a denial of service vector."}, {"lang": "es", "value": "Debido a la b\u00fasqueda ilimitada de alias, un archivo YAML creado con fines malintencionados puede hacer que el sistema consuma importantes recursos. Si se analiza la entrada del usuario, esto se puede utilizar como un vector de denegaci\u00f3n de servicio."}], "id": "CVE-2021-4235", "lastModified": "2023-07-06T00:15:09.707", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-12-27T22:15:11.960", "references": [{"source": "security@golang.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/go-yaml/yaml/commit/bb4e33bf68bf89cad44d386192cbed201f35b241"}, {"source": "security@golang.org", "tags": ["Exploit", "Patch", "Third Party Advisory"], "url": "https://github.com/go-yaml/yaml/pull/375"}, {"source": "security@golang.org", "url": "https://lists.debian.org/debian-lts-announce/2023/07/msg00001.html"}, {"source": "security@golang.org", "tags": ["Third Party Advisory"], "url": "https://pkg.go.dev/vuln/GO-2021-0061"}], "sourceIdentifier": "security@golang.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2022:7398", "cpe": "cpe:/a:redhat:openshift:4.12::el8", "package": "openshift-clients-0:4.12.0-202301042257.p0.g854f807.assembly.stream.el9", "product_name": "Red Hat OpenShift Container Platform 4.12", "release_date": "2023-01-17T00:00:00Z"}, {"advisory": "RHSA-2023:0569", "cpe": "cpe:/a:redhat:openshift:4.12::el8", "package": "openshift4/ose-installer:v4.12.0-202301271115.p0.g7fea1c4.assembly.stream", "product_name": "Red Hat OpenShift Container Platform 4.12", "release_date": "2023-02-07T00:00:00Z"}, {"advisory": "RHSA-2023:0570", "cpe": "cpe:/a:redhat:openshift:4.12::el8", "package": "openshift4/metallb-rhel8-operator:v4.12.0-202301301729.p0.g917cd33.assembly.stream", "product_name": "Red Hat OpenShift Container Platform 4.12", "release_date": "2023-02-07T00:00:00Z"}, {"advisory": "RHSA-2023:3615", "cpe": "cpe:/a:redhat:openshift:4.12::el8", "package": "openshift4/ose-openshift-controller-manager-rhel8:v4.12.0-202306090942.p0.gb6528f9.assembly.stream", "product_name": "Red Hat OpenShift Container Platform 4.12", "release_date": "2023-06-24T00:00:00Z"}, {"advisory": "RHSA-2023:1326", "cpe": "cpe:/a:redhat:openshift:4.13::el8", "package": "openshift4/ose-installer:v4.13.0-202305091542.p0.g44db7b2.assembly.stream", "product_name": "Red Hat OpenShift Container Platform 4.13", "release_date": "2023-05-17T00:00:00Z"}, {"advisory": "RHSA-2023:1326", "cpe": "cpe:/a:redhat:openshift:4.13::el8", "package": "openshift4/ose-machine-api-operator:v4.13.0-202304190216.p0.ga23baf7.assembly.stream", "product_name": "Red Hat OpenShift Container Platform 4.13", "release_date": "2023-05-17T00:00:00Z"}, {"advisory": "RHSA-2023:3742", "cpe": "cpe:/a:redhat:openshift_data_foundation:4.13::el9", "package": "odf4/mcg-rhel9-operator:v4.13.0-41", "product_name": "RHODF-4.13-RHEL-9", "release_date": "2023-06-21T00:00:00Z"}, {"advisory": "RHSA-2023:3742", "cpe": "cpe:/a:redhat:openshift_data_foundation:4.13::el9", "package": "odf4/odf-rhel9-operator:v4.13.0-24", "product_name": "RHODF-4.13-RHEL-9", "release_date": "2023-06-21T00:00:00Z"}], "bugzilla": {"description": "go-yaml: Denial of Service in go-yaml", "id": "2156727", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2156727"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-400", "details": ["Due to unbounded alias chasing, a maliciously crafted YAML file can cause the system to consume significant system resources. If parsing user input, this may be used as a denial of service vector.", "A flaw was found in go-yaml. This issue occurs due to unbounded alias chasing, where a maliciously crafted YAML file can cause the system to consume significant system resources. If parsing user input, this may be used as a denial of service vector."], "name": "CVE-2021-4235", "package_state": [{"cpe": "cpe:/a:redhat:cert_manager:1", "fix_state": "Will not fix", "package_name": "cert-manager/jetstack-cert-manager-rhel9", "product_name": "cert-manager Operator for Red Hat OpenShift"}, {"cpe": "cpe:/a:redhat:rhmt", "fix_state": "Will not fix", "package_name": "rhmtc/openshift-migration-controller-rhel8", "product_name": "Migration Toolkit for Containers"}, {"cpe": "cpe:/a:redhat:workload_availability:4", "fix_state": "Not affected", "package_name": "node-maintenance-operator-container", "product_name": "Node Maintenance Operator"}, {"cpe": "cpe:/a:redhat:ocp_tools", "fix_state": "Not affected", "package_name": "helm", "product_name": "OpenShift Developer Tools and Services"}, {"cpe": "cpe:/a:redhat:ocp_tools", "fix_state": "Affected", "package_name": "odo", "product_name": "OpenShift Developer Tools and Services"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Will not fix", "package_name": "openshift-pipelines-client", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:serverless:1", "fix_state": "Will not fix", "package_name": "openshift-serverless-1/client-kn-rhel8", "product_name": "OpenShift Serverless"}, {"cpe": "cpe:/a:redhat:serverless:1", "fix_state": "Will not fix", "package_name": "openshift-serverless-1/kn-cli-artifacts-rhel8", "product_name": "OpenShift Serverless"}, {"cpe": "cpe:/a:redhat:serverless:1", "fix_state": "Will not fix", "package_name": "openshift-serverless-clients", "product_name": "OpenShift Serverless"}, {"cpe": "cpe:/a:redhat:service_mesh:2", "fix_state": "Not affected", "package_name": "openshift-service-mesh/istio-cni-rhel8", "product_name": "OpenShift Service Mesh 2"}, {"cpe": "cpe:/a:redhat:acm:2", "fix_state": "Not affected", "package_name": "rhacm2/multiclusterhub-repo-rhel8", "product_name": "Red Hat Advanced Cluster Management for Kubernetes 2"}, {"cpe": "cpe:/a:redhat:acm:2", "fix_state": "Not affected", "package_name": "rhacm2/multicluster-operators-channel-rhel8", "product_name": "Red Hat Advanced Cluster Management for Kubernetes 2"}, {"cpe": "cpe:/a:redhat:acm:2", "fix_state": "Not affected", "package_name": "rhacm2/multicluster-operators-subscription-rhel8", "product_name": "Red Hat Advanced Cluster Management for Kubernetes 2"}, {"cpe": "cpe:/a:redhat:advanced_cluster_security:3", "fix_state": "Will not fix", "package_name": "advanced-cluster-security/rhacs-main-rhel8", "product_name": "Red Hat Advanced Cluster Security 3"}, {"cpe": "cpe:/a:redhat:ansible_automation_platform:2", "fix_state": "Affected", "package_name": "openshift-clients", "product_name": "Red Hat Ansible Automation Platform 2"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Will not fix", "package_name": "microshift", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Affected", "package_name": "openshift4/kubernetes-nmstate-rhel8-operator", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Affected", "package_name": "openshift4/oc-mirror-plugin-rhel8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift4/openshift-route-controller-manager-rhel8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift4/ose-alibaba-machine-controllers-rhel8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift4/ose-aws-machine-controllers", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Affected", "package_name": "openshift4/ose-azure-cluster-api-controllers-rhel8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift4/ose-azure-machine-controllers", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Will not fix", "package_name": "openshift4/ose-baremetal-machine-controllers", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift4/ose-cluster-api-rhel8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift4/ose-cluster-monitoring-operator", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Will not fix", "package_name": "openshift4/ose-console", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift4/ose-csi-driver-shared-resource-rhel8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift4/ose-docker-builder", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Affected", "package_name": "openshift4/ose-gcp-filestore-csi-driver-rhel8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift4/ose-gcp-machine-controllers-rhel7", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Affected", "package_name": "openshift4/ose-gcp-pd-csi-driver-rhel8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Will not fix", "package_name": "openshift4/ose-hypershift-rhel8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift4/ose-ibmcloud-machine-controllers-rhel8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Will not fix", "package_name": "openshift4/ose-machine-api-provider-aws-rhel8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Will not fix", "package_name": "openshift4/ose-machine-api-provider-azure-rhel8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Will not fix", "package_name": "openshift4/ose-machine-api-provider-gcp-rhel8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift4/ose-machine-api-provider-openstack-rhel8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift4/ose-machine-config-operator", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift4/ose-node", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Will not fix", "package_name": "openshift4/ose-node-problem-detector-rhel8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Affected", "package_name": "openshift4/ose-nutanix-machine-controllers-rhel8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Will not fix", "package_name": "openshift4/ose-olm-rukpak-rhel8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift4/ose-openshift-apiserver-rhel7", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift4/ose-openstack-machine-controllers", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift4/ose-operator-sdk-rhel8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Will not fix", "package_name": "openshift4/ose-ovirt-machine-controllers-rhel8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift4/ose-powervs-machine-controllers-rhel8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Affected", "package_name": "openshift4/ose-sriov-network-webhook", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Will not fix", "package_name": "openshift4/ose-tests", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Affected", "package_name": "openshift4/ose-vsphere-csi-driver-syncer-rhel8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Will not fix", "package_name": "openshift4/special-resource-rhel8-operator", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift4-wincw/windows-machine-config-rhel8-operator", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift_container_storage:4", "fix_state": "Out of support scope", "package_name": "ocs4/cephcsi-rhel8", "product_name": "Red Hat Openshift Container Storage 4"}, {"cpe": "cpe:/a:redhat:openshift_container_storage:4", "fix_state": "Out of support scope", "package_name": "ocs4/mcg-rhel8-operator", "product_name": "Red Hat Openshift Container Storage 4"}, {"cpe": "cpe:/a:redhat:openshift_container_storage:4", "fix_state": "Out of support scope", "package_name": "ocs4/ocs-rhel8-operator", "product_name": "Red Hat Openshift Container Storage 4"}, {"cpe": "cpe:/a:redhat:openshift_container_storage:4", "fix_state": "Out of support scope", "package_name": "ocs4/rook-ceph-rhel8-operator", "product_name": "Red Hat Openshift Container Storage 4"}, {"cpe": "cpe:/a:redhat:openshift_data_foundation:4", "fix_state": "Not affected", "package_name": "odf4/cephcsi-rhel8", "product_name": "Red Hat Openshift Data Foundation 4"}, {"cpe": "cpe:/a:redhat:openshift_data_foundation:4", "fix_state": "Not affected", "package_name": "odf4/ocs-rhel8-operator", "product_name": "Red Hat Openshift Data Foundation 4"}, {"cpe": "cpe:/a:redhat:openshift_data_foundation:4", "fix_state": "Will not fix", "package_name": "odf4/odf-multicluster-rhel8-operator", "product_name": "Red Hat Openshift Data Foundation 4"}, {"cpe": "cpe:/a:redhat:openshift_data_foundation:4", "fix_state": "Will not fix", "package_name": "odf/odf-multicluster-rhel8-operator", "product_name": "Red Hat Openshift Data Foundation 4"}, {"cpe": "cpe:/a:redhat:openshift_gitops:1", "fix_state": "Affected", "package_name": "openshift-gitops-1/applicationset-rhel8", "product_name": "Red Hat OpenShift GitOps"}, {"cpe": "cpe:/a:redhat:openshift_gitops:1", "fix_state": "Affected", "package_name": "openshift-gitops-1/argocd-rhel8", "product_name": "Red Hat OpenShift GitOps"}, {"cpe": "cpe:/a:redhat:container_native_virtualization:4", "fix_state": "Will not fix", "package_name": "container-native-virtualization/kubernetes-nmstate-handler-rhel8", "product_name": "Red Hat OpenShift Virtualization 4"}, {"cpe": "cpe:/a:redhat:container_native_virtualization:4", "fix_state": "Fix deferred", "package_name": "container-native-virtualization/node-maintenance-operator", "product_name": "Red Hat OpenShift Virtualization 4"}, {"cpe": "cpe:/a:redhat:openstack:16.1", "fix_state": "Not affected", "package_name": "golang-gopkg-yaml", "product_name": "Red Hat OpenStack Platform 16.1"}, {"cpe": "cpe:/a:redhat:openstack:16.2", "fix_state": "Not affected", "package_name": "golang-gopkg-yaml", "product_name": "Red Hat OpenStack Platform 16.2"}, {"cpe": "cpe:/a:redhat:quay:3", "fix_state": "Affected", "package_name": "quay/quay-operator-rhel8", "product_name": "Red Hat Quay 3"}], "public_date": "2022-12-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-4235\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-4235\nhttps://github.com/go-yaml/yaml/commit/bb4e33bf68bf89cad44d386192cbed201f35b241\nhttps://github.com/go-yaml/yaml/pull/375\nhttps://pkg.go.dev/vuln/GO-2021-0061"], "threat_severity": "Moderate", "upstream_fix": "go-yaml 2.2.3"}