{ "id": "CVE-2020-11076", "sourceIdentifier": "security-advisories@github.com", "published": "2020-05-22T15:15:11.363", "lastModified": "2023-03-03T02:39:26.110", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "In Puma (RubyGem) before 4.3.4 and 3.12.5, an attacker could smuggle an HTTP response, by using an invalid transfer-encoding header. The problem has been fixed in Puma 3.12.5 and Puma 4.3.4." }, { "lang": "es", "value": "En Puma (RubyGem) versiones anteriores a 4.3.4 y 3.12.5, un atacante podr\u00eda hacer pasar sin autorizaci\u00f3n una respuesta HTTP, mediante el uso de un encabezado de codificaci\u00f3n transfer no v\u00e1lido. El problema ha sido corregido en Puma versi\u00f3n 3.12.5 y Puma versi\u00f3n 4.3.4." } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH" }, "exploitabilityScore": 3.9, "impactScore": 3.6 }, { "source": "security-advisories@github.com", "type": "Secondary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH" }, "exploitabilityScore": 3.9, "impactScore": 3.6 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N", "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "availabilityImpact": "NONE", "baseScore": 5.0 }, "baseSeverity": "MEDIUM", "exploitabilityScore": 10.0, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "security-advisories@github.com", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-444" } ] }, { "source": "nvd@nist.gov", "type": "Secondary", "description": [ { "lang": "en", "value": "CWE-444" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:puma:puma:*:*:*:*:*:ruby:*:*", "versionStartIncluding": "3.0.0", "versionEndExcluding": "3.12.6", "matchCriteriaId": "94D6645C-59B2-466F-A147-B23EF284DEBA" }, { "vulnerable": true, "criteria": "cpe:2.3:a:puma:puma:*:*:*:*:*:ruby:*:*", "versionStartIncluding": "4.0.0", "versionEndExcluding": "4.3.5", "matchCriteriaId": "916E4164-0951-4145-85D6-684EF781F13A" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*", "matchCriteriaId": "E460AA51-FCDA-46B9-AE97-E6676AA5E194" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252" } ] } ] } ], "references": [ { "url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00034.html", "source": "security-advisories@github.com", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00038.html", "source": "security-advisories@github.com", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "https://github.com/puma/puma/blob/master/History.md#434435-and-31253126--2020-05-22", "source": "security-advisories@github.com", "tags": [ "Release Notes" ] }, { "url": "https://github.com/puma/puma/commit/f24d5521295a2152c286abb0a45a1e1e2bd275bd", "source": "security-advisories@github.com", "tags": [ "Patch" ] }, { "url": "https://github.com/puma/puma/security/advisories/GHSA-x7jg-6pwg-fx5h", "source": "security-advisories@github.com", "tags": [ "Third Party Advisory" ] }, { "url": "https://lists.debian.org/debian-lts-announce/2020/10/msg00009.html", "source": "security-advisories@github.com", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SKIY5H67GJIGJL6SMFWFLUQQQR3EMVPR/", "source": "security-advisories@github.com", "tags": [ "Mailing List", "Third Party Advisory" ] } ] }