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{"acknowledgement": "Red Hat would like to thank Aviv Sasson (Palo Alto Networks) for reporting this issue.", "affected_release": [{"advisory": "RHBA-2022:0348", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "container-tools:3.0-8050020220104131412.e34216c9", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2022-02-01T00:00:00Z"}, {"advisory": "RHSA-2021:4154", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "container-tools:rhel8-8050020210921082437.faa19cc5", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2021-11-09T00:00:00Z"}, {"advisory": "RHSA-2022:7954", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "podman-2:4.2.0-3.el9", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2022-11-15T00:00:00Z"}, {"advisory": "RHSA-2022:7955", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "skopeo-2:1.9.2-1.el9", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2022-11-15T00:00:00Z"}, {"advisory": "RHSA-2022:8008", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "buildah-1:1.27.0-2.el9", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2022-11-15T00:00:00Z"}, {"advisory": "RHSA-2021:1150", "cpe": "cpe:/a:redhat:openshift:4.7::el7", "package": "cri-o-0:1.20.2-6.rhaos4.7.gitf1d5201.el8", "product_name": "Red Hat OpenShift Container Platform 4.7", "release_date": "2021-04-20T00:00:00Z"}, {"advisory": "RHSA-2021:1150", "cpe": "cpe:/a:redhat:openshift:4.7::el7", "package": "openshift-0:4.7.0-202104090228.p0.git.97111.77863f8.el7", "product_name": "Red Hat OpenShift Container Platform 4.7", "release_date": "2021-04-20T00:00:00Z"}, {"advisory": "RHSA-2021:2438", "cpe": "cpe:/a:redhat:openshift:4.8::el8", "package": "openshift4/ose-docker-builder:v4.8.0-202107152024.p0.git.70b7b95.assembly.stream", "product_name": "Red Hat OpenShift Container Platform 4.8", "release_date": "2021-07-27T00:00:00Z"}], "bugzilla": {"description": "containers/storage: DoS via malicious image", "id": "1939485", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1939485"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-667", "details": ["A deadlock vulnerability was found in 'github.com/containers/storage' in versions before 1.28.1. 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An attacker could use this vulnerability to craft a malicious image, which when downloaded and stored by an application using containers/storage, would then cause a deadlock leading to a Denial of Service (DoS)."], "name": "CVE-2021-20291", "package_state": [{"cpe": "cpe:/a:redhat:rhmt:1.2", "fix_state": "Not affected", "package_name": "openshift-migration-plugin-container", "product_name": "Red Hat Cluster Application Migration"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "buildah", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "podman", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "skopeo", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": 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"assisted-installer-container", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "assisted-installer-reporter-container", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "buildah", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift4/cnf-tests-rhel8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift4/compliance-rhel8-operator", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift4/file-integrity-rhel8-operator", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift4/ose-cluster-node-tuning-operator", "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": "skopeo", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:container_native_virtualization:2", "fix_state": "Not affected", "package_name": "virt-cdi-importer-container", "product_name": "Red Hat OpenShift Virtualization 2"}, {"cpe": "cpe:/a:redhat:container_native_virtualization:2", "fix_state": "Not affected", "package_name": "virt-cdi-uploadserver-container", "product_name": "Red Hat OpenShift Virtualization 2"}, {"cpe": "cpe:/a:redhat:openstack:16.2", "fix_state": "Will not fix", "package_name": "osp-director-provisioner-container", "product_name": "Red Hat OpenStack Platform 16.2"}, {"cpe": "cpe:/a:redhat:openstack:16.2", "fix_state": "Will not fix", "package_name": "rhosp-rhel8-tech-preview/osp-director-downloader", "product_name": "Red Hat OpenStack Platform 16.2"}, {"cpe": "cpe:/a:redhat:openstack:16.2", "fix_state": "Will not fix", "package_name": "rhosp-rhel8-tech-preview/osp-director-operator", "product_name": "Red Hat OpenStack Platform 16.2"}, {"cpe": "cpe:/a:redhat:quay:3", "fix_state": "Not affected", "package_name": "quay/quay-builder-rhel8", "product_name": "Red Hat Quay 3"}], "public_date": "2021-04-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-20291\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-20291\nhttps://unit42.paloaltonetworks.com/cve-2021-20291/"], "statement": "The vulnerability was first exposed in v1.23.8 of containers/storage (and subsequently fixed in v1.28.1) with this git commit [1].\n* In OpenShift Container Platform (OCP) only 4.7 contains a version of CRI-O (and openshift/ose-docker-builder) which uses a vulnerable version of containers/storage. Subsequently this has been addressed in OCP 4.7.7.\n* Red Hat Quay quay-builder-container is not affected because it uses a version of github.com/containers/storage earlier than v1.23.8\n* Red Hat Openshift Virtualization is not affected because all containers depending on github.com/containers/storage use a version earlier than v1.23.8\n* For Red Hat OpenStack Platform, because containers/storage is not directly used by the director-operator, no update will be provided at this time for the operator containers.\n[1] - https://github.com/containers/storage/blob/e9989a949a0d2c32fa82d3ff1076e33cfec58cb9/layers.go#L1332", "threat_severity": "Moderate", "upstream_fix": "containers/storage 1.28.1"}