CVE-2017-9502

{"id": "CVE-2017-9502", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "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": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 3.9}]}, "published": "2017-06-14T13:29:00.747", "references": [{"url": "http://openwall.com/lists/oss-security/2017/06/14/1", "tags": ["Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://www.securityfocus.com/bid/99120", "tags": ["Third Party Advisory", "VDB Entry"], "source": "cve@mitre.org"}, {"url": "http://www.securitytracker.com/id/1038697", "source": "cve@mitre.org"}, {"url": "https://curl.haxx.se/docs/adv_20170614.html", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-119"}]}], "descriptions": [{"lang": "en", "value": "In curl before 7.54.1 on Windows and DOS, libcurl's default protocol function, which is the logic that allows an application to set which protocol libcurl should attempt to use when given a URL without a scheme part, had a flaw that could lead to it overwriting a heap based memory buffer with seven bytes. If the default protocol is specified to be FILE or a file: URL lacks two slashes, the given \"URL\" starts with a drive letter, and libcurl is built for Windows or DOS, then libcurl would copy the path 7 bytes off, so that the end of the given path would write beyond the malloc buffer (7 bytes being the length in bytes of the ascii string \"file://\")."}, {"lang": "es", "value": "En curl en sus versiones anteriores a la 7.54.1 de Windows y DOS, la funci\u00f3n libcurl de protocolo por defecto, el cual es l\u00f3gico que permita una aplicaci\u00f3n poner que protocolo libcurl debe intentar usar cuando una URL le es dada sin una parte dise\u00f1ada, tiene un flaw que podr\u00eda llevar a sobrescribir buffer heap --heap-- con siete bytes. Si se especifica que el protocolo sea FILE o un archivo: A la URL le faltan dos barras, la URL dada comienza con una letra de unidad, y libcurl es construida para Windows o DOS, entonces libcurl copiar\u00eda la ruta de 7bytes, asique el final de la ruta dada escribir\u00eda mas all\u00e1 del buffer reservado (7 bytes son la longitud de la cadena ASCII \"file://\")."}], "lastModified": "2017-07-08T01:29:22.270", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:haxx:curl:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4B846EF0-5511-4AD1-8FAC-4232A87785CB", "versionEndIncluding": "7.54.0"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}