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The email module wrongly parses email addresses that contain multiple @ characters. An application that uses the email module and implements some kind of checks on the From/To headers of a message could be tricked into accepting an email address that should be denied. An attack may be the same as in CVE-2019-11340; however, this CVE applies to Python more generally."}, {"lang": "es", "value": "Se descubri\u00f3 un problema en Python versiones hasta 2.7.16, versiones 3.x hasta 3.5.7, versiones 3.6.x hasta 3.6.9 y versiones 3.7.x hasta 3.7.4. El m\u00f3dulo de correo electr\u00f3nico analiza incorrectamente las direcciones de correo electr\u00f3nico que contienen m\u00faltiples caracteres @. Una aplicaci\u00f3n que usa el m\u00f3dulo de correo electr\u00f3nico e implementa alg\u00fan tipo de comprobaci\u00f3n sobre los encabezados From/To de un mensaje podr\u00eda ser enga\u00f1ada para aceptar una direcci\u00f3n de correo electr\u00f3nico que deber\u00eda ser denegada. Un ataque puede ser el mismo que en CVE-2019-11340; sin embargo, este CVE aplica a Python de manera m\u00e1s general."}], "id": "CVE-2019-16056", "lastModified": "2023-11-07T03:05:37.397", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2019-09-06T18:15:15.443", "references": [{"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00062.html"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00063.html"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00012.html"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00021.html"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2019:3725"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2019:3948"}, {"source": "cve@mitre.org", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "https://bugs.python.org/issue34155"}, {"source": "cve@mitre.org", "tags": ["Patch"], "url": "https://github.com/python/cpython/commit/8cb65d1381b027f0b09ee36bfed7f35bb4dec9a9"}, {"source": "cve@mitre.org", "url": "https://lists.apache.org/thread.html/r1b103833cb5bc8466e24ff0ecc5e75b45a705334ab6a444e64e840a0%40%3Cissues.bookkeeper.apache.org%3E"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2019/09/msg00018.html"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": 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