CVE-2016-2339

{"id": "CVE-2016-2339", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": true, "impactScore": 6.4, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2017-01-06T21:59:00.493", "references": [{"url": "http://www.securityfocus.com/bid/91234", "source": "cret@cert.org"}, {"url": "http://www.talosintelligence.com/reports/TALOS-2016-0034/", "tags": ["Exploit", "Technical Description", "Third Party Advisory", "VDB Entry"], "source": "cret@cert.org"}, {"url": "https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html", "source": "cret@cert.org"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-119"}]}], "descriptions": [{"lang": "en", "value": "An exploitable heap overflow vulnerability exists in the Fiddle::Function.new \"initialize\" function functionality of Ruby. In Fiddle::Function.new \"initialize\" heap buffer \"arg_types\" allocation is made based on args array length. Specially constructed object passed as element of args array can increase this array size after mentioned allocation and cause heap overflow."}, {"lang": "es", "value": "Existe una vulnerabilidad explotable de desbordamiento de memoria din\u00e1mica en la funcionalidad Fiddle::Function.new \"initialize\" de Ruby. En Fiddle::Function.new \"initialize\" la ubicaci\u00f3n \"arg_types\" de la memoria din\u00e1mica del b\u00fafer se hace en base a la longitud de los args array. Un objeto especialmente construido pasado como un elemento de los args array puede incrementar el tama\u00f1o de este array despu\u00e9s de haber mencionado la ubicaci\u00f3n y provocar desbordamiento de memoria din\u00e1mica."}], "lastModified": "2018-07-15T01:29:00.413", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:ruby-lang:ruby:2.2.2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5FCCD8F3-E667-42F2-9861-14EDFB16583A"}, {"criteria": "cpe:2.3:a:ruby-lang:ruby:2.3.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "822307DD-7F7D-44C2-9C4B-CB8704663410"}], "operator": "OR"}]}], "sourceIdentifier": "cret@cert.org"}