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Processes are vulnerable only if the undocumented method `Nokogiri::CSS::Tokenizer#load_file` is being called with unsafe user input as the filename. This vulnerability appears in code generated by the Rexical gem versions v1.0.6 and earlier. Rexical is used by Nokogiri to generate lexical scanner code for parsing CSS queries. The underlying vulnerability was addressed in Rexical v1.0.7 and Nokogiri upgraded to this version of Rexical in Nokogiri v1.10.4."}, {"lang": "es", "value": "Una vulnerabilidad de inyecci\u00f3n de comandos en Nokogiri versi\u00f3n v1.10.3 y anteriores, permite que los comandos sean ejecutados en un subproceso por medio del m\u00e9todo \"Kernel.open\" de Ruby. Los procesos son vulnerables solo si el m\u00e9todo no documentado \"Nokogiri::CSS::Tokenizer#load_file\" est\u00e1 siendo llamado con una entrada de usuario no segura como el nombre de archivo. Esta vulnerabilidad aparece en un c\u00f3digo generado por la gema Rexical versi\u00f3n v1.0.6 y anteriores. Nokogiri es usada por Rexical para generar c\u00f3digo de esc\u00e1ner l\u00e9xico para analizar consultas CSS. La vulnerabilidad subyacente fue abordada en Rexical versi\u00f3n v1.0.7 y Nokogiri actualizada a esta versi\u00f3n de Rexical en Nokogiri versi\u00f3n v1.10.4."}], "id": "CVE-2019-5477", "lastModified": "2024-11-21T04:45:00.610", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "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:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2019-08-16T16:15:10.637", "references": [{"source": "support@hackerone.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/sparklemotion/nokogiri/issues/1915"}, {"source": "support@hackerone.com", "tags": ["Release Notes"], "url": "https://github.com/tenderlove/rexical/blob/master/CHANGELOG.rdoc"}, {"source": "support@hackerone.com", "tags": ["Permissions Required"], "url": "https://hackerone.com/reports/650835"}, {"source": "support@hackerone.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2019/09/msg00027.html"}, {"source": "support@hackerone.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2022/10/msg00018.html"}, {"source": "support@hackerone.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2022/10/msg00019.html"}, {"source": "support@hackerone.com", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202006-05"}, {"source": "support@hackerone.com", "tags": ["Third Party Advisory"], "url": "https://usn.ubuntu.com/4175-1/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/sparklemotion/nokogiri/issues/1915"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes"], "url": "https://github.com/tenderlove/rexical/blob/master/CHANGELOG.rdoc"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Permissions Required"], "url": "https://hackerone.com/reports/650835"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2019/09/msg00027.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2022/10/msg00018.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2022/10/msg00019.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202006-05"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://usn.ubuntu.com/4175-1/"}], "sourceIdentifier": "support@hackerone.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-78"}], "source": "support@hackerone.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-78"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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