CVE-2022-24790

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When using Puma behind a proxy that does not properly validate that the incoming HTTP request matches the RFC7230 standard, Puma and the frontend proxy may disagree on where a request starts and ends. This would allow requests to be smuggled via the front-end proxy to Puma. The vulnerability has been fixed in 5.6.4 and 4.3.12. Users are advised to upgrade as soon as possible. Workaround: when deploying a proxy in front of Puma, turning on any and all functionality to make sure that the request matches the RFC7230 standard."}, {"lang": "es", "value": "Puma es un servidor HTTP versi\u00f3n 1.1 simple, r\u00e1pido, multihilo y paralelo para aplicaciones Ruby/Rack. Cuando es usado Puma detr\u00e1s de un proxy que no comprueba apropiadamente que la petici\u00f3n HTTP entrante coincide con el est\u00e1ndar RFC7230, Puma y el proxy del frontend pueden no estar de acuerdo en d\u00f3nde empieza y termina una petici\u00f3n. Esto permitir\u00eda contrabandear peticiones por medio del proxy del front-end a Puma. La vulnerabilidad ha sido corregida en versiones 5.6.4 y 4.3.12. Se recomienda a usuarios actualizar lo antes posible. Mitigaci\u00f3n: cuando despliegue un proxy frente a Puma, habilite todas las funciones para asegurarse de que la petici\u00f3n se ajusta al est\u00e1ndar RFC7230"}], "id": "CVE-2022-24790", "lastModified": "2026-06-17T04:32:31.470", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 9.1, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.2, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2022-24790", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2025-04-23T15:50:02.994180Z", "version": "2.0.3"}}]}, "published": "2022-03-30T22:15:08.500", "references": [{"source": "security-advisories@github.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/puma/puma/commit/5bb7d202e24dec00a898dca4aa11db391d7787a5"}, {"source": "security-advisories@github.com", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://github.com/puma/puma/security/advisories/GHSA-h99w-9q5r-gjq9"}, {"source": "security-advisories@github.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2022/08/msg00015.html"}, {"source": "security-advisories@github.com", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F6YWGIIKL7KKTS3ZOAYMYPC7D6WQ5OA5/"}, {"source": "security-advisories@github.com", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L7NESIBFCNSR3XH7LXDPKVMSUBNUB43G/"}, {"source": "security-advisories@github.com", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TUBFJ44NCKJ34LECZRAP4N5VL6USJSIB/"}, {"source": "security-advisories@github.com", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202208-28"}, {"source": "security-advisories@github.com", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2022/dsa-5146"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/puma/puma/commit/5bb7d202e24dec00a898dca4aa11db391d7787a5"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://github.com/puma/puma/security/advisories/GHSA-h99w-9q5r-gjq9"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2022/08/msg00015.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F6YWGIIKL7KKTS3ZOAYMYPC7D6WQ5OA5/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L7NESIBFCNSR3XH7LXDPKVMSUBNUB43G/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TUBFJ44NCKJ34LECZRAP4N5VL6USJSIB/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202208-28"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2022/dsa-5146"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-444"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{"affected_release": [{"advisory": "RHSA-2023:1486", "cpe": "cpe:/a:redhat:storage:3.5:wa:el7", "package": "rubygem-puma-0:4.3.12-1.el7rhgs", "product_name": "Red Hat Gluster Storage 3.5 for RHEL 7", "release_date": "2023-03-28T00:00:00Z"}, {"advisory": "RHSA-2022:8532", "cpe": "cpe:/a:redhat:satellite:6.9::el7", "package": "tfm-rubygem-puma-0:4.3.12-1.el7sat", "product_name": "Red Hat Satellite 6.9 for RHEL 7", "release_date": "2022-11-17T00:00:00Z"}], "bugzilla": {"description": "puma-5.6.4: http request smuggling vulnerabilities", "id": "2071616", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2071616"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "status": "verified"}, "cwe": "CWE-444", "details": ["Puma is a simple, fast, multi-threaded, parallel HTTP 1.1 server for Ruby/Rack applications. When using Puma behind a proxy that does not properly validate that the incoming HTTP request matches the RFC7230 standard, Puma and the frontend proxy may disagree on where a request starts and ends. This would allow requests to be smuggled via the front-end proxy to Puma. The vulnerability has been fixed in 5.6.4 and 4.3.12. Users are advised to upgrade as soon as possible. Workaround: when deploying a proxy in front of Puma, turning on any and all functionality to make sure that the request matches the RFC7230 standard.", "A HTTP request smuggling flaw was found in puma. This issue occurs when using puma behind a proxy. Puma does not validate incoming HTTP requests, as per RFC specification, leading to loss of integrity."], "name": "CVE-2022-24790", "package_state": [{"cpe": "cpe:/a:redhat:cloudforms_managementengine:5", "fix_state": "Will not fix", "package_name": "rubygem-puma", "product_name": "CloudForms Management Engine 5"}, {"cpe": "cpe:/a:redhat:satellite:6", "fix_state": "Affected", "package_name": "tfm-rubygem-puma-plugin-systemd", "product_name": "Red Hat Satellite 6"}], "public_date": "2022-03-30T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-24790\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-24790"], "threat_severity": "Important"}

{}