{ "id": "CVE-2016-7053", "sourceIdentifier": "openssl-security@openssl.org", "published": "2017-05-04T19:29:00.213", "lastModified": "2017-07-28T01:29:02.533", "vulnStatus": "Modified", "descriptions": [ { "lang": "en", "value": "In OpenSSL 1.1.0 before 1.1.0c, applications parsing invalid CMS structures can crash with a NULL pointer dereference. This is caused by a bug in the handling of the ASN.1 CHOICE type in OpenSSL 1.1.0 which can result in a NULL value being passed to the structure callback if an attempt is made to free certain invalid encodings. Only CHOICE structures using a callback which do not handle NULL value are affected." }, { "lang": "es", "value": "En OpenSSL 1.1.0 anterior a 1.1.0c, las aplicaciones que analizan estructuras CMS inv\u00e1lidas pueden dejar de dar servicio por una referencia a puntero nulo. Esto se produce por un fallo en la gesti\u00f3n del tipo ASN.1 CHOICE en OpenSSL 1.1.0, lo que puede derivar en que un valor NULL sea enviado a la devoluci\u00f3n de la llamada si se intenta utilizar varias codificaciones inv\u00e1lidas. S\u00f3lo est\u00e1n afectadas estructuras CHOICE que utilicen una devoluci\u00f3n de llamada que no gestione valores NULL." } ], "metrics": { "cvssMetricV30": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.0", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "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:N/A:P", "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0 }, "baseSeverity": "MEDIUM", "exploitabilityScore": 10.0, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-476" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:openssl:openssl:1.1.0:*:*:*:*:*:*:*", "matchCriteriaId": "73104834-5810-48DD-9B97-549D223853F1" }, { "vulnerable": true, "criteria": "cpe:2.3:a:openssl:openssl:1.1.0a:*:*:*:*:*:*:*", "matchCriteriaId": "C9D7A18A-116B-4F68-BEA3-A4E9DDDA55C6" }, { "vulnerable": true, "criteria": "cpe:2.3:a:openssl:openssl:1.1.0b:*:*:*:*:*:*:*", "matchCriteriaId": "CFC70262-0DCD-4B46-9C96-FD18D0207511" } ] } ] } ], "references": [ { "url": "http://www.securityfocus.com/bid/94244", "source": "openssl-security@openssl.org", "tags": [ "Third Party Advisory", "VDB Entry" ] }, { "url": "http://www.securitytracker.com/id/1037261", "source": "openssl-security@openssl.org" }, { "url": "https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03744en_us", "source": "openssl-security@openssl.org" }, { "url": "https://www.openssl.org/news/secadv/20161110.txt", "source": "openssl-security@openssl.org", "tags": [ "Vendor Advisory" ] } ] }