CVE-2019-18409

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:zenspider:ruby_parser-legacy:1.0.0:*:*:*:*:ruby:*:*", "matchCriteriaId": "B85A291D-6E57-44C6-BE43-66D23DF4BCAF", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The ruby_parser-legacy (aka legacy) gem 1.0.0 for Ruby allows local privilege escalation because of world-writable files. For example, if the brakeman gem (which has a legacy dependency) 4.5.0 through 4.7.0 is used, a local user can insert malicious code into the ruby_parser-legacy-1.0.0/lib/ruby_parser/legacy/ruby_parser.rb file."}, {"lang": "es", "value": "La gema ruby_parser-legacy (tambi\u00e9n se conoce como legacy) versi\u00f3n 1.0.0 para Ruby, permite una escalada de privilegios locales debido a los archivos de tipo world-writable. Por ejemplo, si es usada la gema brakeman (que tiene una dependencia heredada) versiones 4.5.0 hasta 4.7.0, un usuario local puede insertar c\u00f3digo malicioso en el archivo ruby_parser-legacy-1.0.0/lib/ruby_parser/legacy/ruby_parser.rb."}], "id": "CVE-2019-18409", "lastModified": "2026-06-17T02:24:58.910", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.6, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2019-10-24T14:15:11.583", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "url": "https://github.com/zenspider/ruby_parser-legacy/issues/1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "url": "https://github.com/zenspider/ruby_parser-legacy/issues/1"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-732"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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