CVE-2021-4024

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{"affected": [{"affectedData": [{"product": "podman", "vendor": "n/a", "versions": [{"status": "affected", "version": "podman 3.4.3"}]}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:podman_project:podman:*:*:*:*:*:*:*:*", "matchCriteriaId": "18FEB567-718C-45A5-98E3-1481BE15A306", "versionEndExcluding": "3.4.3", "versionStartIncluding": "3.3.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*", "matchCriteriaId": "A930E247-0B43-43CB-98FF-6CE7B8189835", "vulnerable": true}, {"criteria": "cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*", "matchCriteriaId": "80E516C0-98A4-4ADE-B69F-66A772E2BAAA", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*", "matchCriteriaId": "F4CFF558-3C47-480D-A2F0-BABF26042943", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A flaw was found in podman. The `podman machine` function (used to create and manage Podman virtual machine containing a Podman process) spawns a `gvproxy` process on the host system. The `gvproxy` API is accessible on port 7777 on all IP addresses on the host. If that port is open on the host's firewall, an attacker can potentially use the `gvproxy` API to forward ports on the host to ports in the VM, making private services on the VM accessible to the network. This issue could be also used to interrupt the host's services by forwarding all ports to the VM."}, {"lang": "es", "value": "Se ha encontrado un fallo en podman. La funci\u00f3n \"podman machine\" (usada para crear y administrar la m\u00e1quina virtual Podman que contiene un proceso Podman) genera un proceso \"gvproxy\" en el sistema anfitri\u00f3n. La API \"gvproxy\" es accesible en el puerto 7777 en todas las direcciones IP del host. Si ese puerto est\u00e1 abierto en el firewall del host, un atacante puede potencialmente usar la API \"gvproxy\" para reenviar puertos en el host a puertos en la VM, haciendo que los servicios privados en la VM sean accesibles a la red. Este problema tambi\u00e9n podr\u00eda ser usado para interrumpir los servicios del host reenviando todos los puertos a la VM"}], "id": "CVE-2021-4024", "lastModified": "2026-06-17T04:18:54.857", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.4, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 2.5, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-12-23T20:15:12.210", "references": [{"source": "secalert@redhat.com", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2026675%2C"}, {"source": "secalert@redhat.com", "tags": ["Release Notes", "Third Party Advisory"], "url": "https://github.com/containers/podman/releases/tag/v3.4.3"}, {"source": "secalert@redhat.com", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QFFVJ6S3ZRMPDYB7KYAWEMDHXFZYQPU3/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2026675%2C"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Third Party Advisory"], "url": "https://github.com/containers/podman/releases/tag/v3.4.3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QFFVJ6S3ZRMPDYB7KYAWEMDHXFZYQPU3/"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-200"}], "source": "secalert@redhat.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-200"}, {"lang": "en", "value": "CWE-346"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2024:10289", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "container-tools:rhel8-8100020241101101019.afee755d", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2024-11-26T00:00:00Z"}, {"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"}], "bugzilla": {"description": "podman: podman machine spawns gvproxy with port bound to all IPs", "id": "2026675", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2026675"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.8", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L", "status": "verified"}, "cwe": "(CWE-200|CWE-346)", "details": ["A flaw was found in podman. The `podman machine` function (used to create and manage Podman virtual machine containing a Podman process) spawns a `gvproxy` process on the host system. The `gvproxy` API is accessible on port 7777 on all IP addresses on the host. If that port is open on the host's firewall, an attacker can potentially use the `gvproxy` API to forward ports on the host to ports in the VM, making private services on the VM accessible to the network. This issue could be also used to interrupt the host's services by forwarding all ports to the VM.", "A flaw was found in podman. The `podman machine` function (used to create and manage Podman virtual machine containing a Podman process) spawns a `gvproxy` process on the host system. The `gvproxy` API is accessible on port 7777 on all IP addresses on the host. If that port is open on the host's firewall, an attacker can potentially use the `gvproxy` API to forward ports on the host to ports in the VM, making private services on the VM accessible to the network. This issue could be also used to interrupt the host's services by forwarding all ports to the VM."], "name": "CVE-2021-4024", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "podman", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "container-tools:2.0/podman", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "container-tools:3.0/podman", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/a:redhat:openshift:3.11", "fix_state": "Not affected", "package_name": "podman", "product_name": "Red Hat OpenShift Container Platform 3.11"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "podman", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2021-11-24T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-4024\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-4024"], "threat_severity": "Moderate"}

{}