{ "id": "CVE-2021-3177", "sourceIdentifier": "cve@mitre.org", "published": "2021-01-19T06:15:12.967", "lastModified": "2023-05-24T21:15:09.877", "vulnStatus": "Modified", "descriptions": [ { "lang": "en", "value": "Python 3.x through 3.9.1 has a buffer overflow in PyCArg_repr in _ctypes/callproc.c, which may lead to remote code execution in certain Python applications that accept floating-point numbers as untrusted input, as demonstrated by a 1e300 argument to c_double.from_param. This occurs because sprintf is used unsafely." }, { "lang": "es", "value": "Python versiones 3.x hasta 3.9.1, presenta un desbordamiento de b\u00fafer en la funci\u00f3n PyCArg_repr en el archivo _ctypes/callproc.c, que puede conllevar a una ejecuci\u00f3n de c\u00f3digo remota en determinadas aplicaciones de Python que aceptan n\u00fameros de punto flotante como entrada no confiable, como es demostrado por un argumento 1e300 para c_double.from_param. Esto ocurre porque sprintf es usado de manera no segura" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL" }, "exploitabilityScore": 3.9, 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