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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": "2024-11-21T04:29:57.830", "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": "[email protected]", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": 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{"affected_release": [{"advisory": "RHBA-2020:1539", "cpe": "cpe:/a:redhat:ansible_tower:3.5::el7", "package": "ansible-tower-35/ansible-tower:3.5.6-1", "product_name": "Red Hat Ansible Tower 3.5 for RHEL 7", "release_date": "2020-04-22T00:00:00Z"}, {"advisory": "RHBA-2020:1540", "cpe": "cpe:/a:redhat:ansible_tower:3.6::el7", "package": "ansible-tower-36/ansible-tower:3.6.4-1", "product_name": "Red Hat Ansible Tower 3.6 for RHEL 7", "release_date": "2020-04-22T00:00:00Z"}, {"advisory": "RHSA-2020:1131", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "python-0:2.7.5-88.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2020-03-31T00:00:00Z"}, {"advisory": "RHSA-2020:1132", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "python3-0:3.6.8-13.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2020-03-31T00:00:00Z"}, {"advisory": "RHSA-2020:2520", "cpe": "cpe:/o:redhat:rhel_eus:7.7", "package": "python-0:2.7.5-87.el7_7", "product_name": "Red Hat Enterprise Linux 7.7 Extended Update Support", "release_date": "2020-06-12T00:00:00Z"}, {"advisory": "RHSA-2020:1605", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "python27:2.7-8020020200117110429.90f98d4f", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2020-04-28T00:00:00Z"}, {"advisory": "RHSA-2020:1764", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "python3-0:3.6.8-23.el8", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2020-04-28T00:00:00Z"}, {"advisory": "RHSA-2020:1764", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "python3-0:3.6.8-23.el8", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2020-04-28T00:00:00Z"}, {"advisory": "RHSA-2019:3725", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el6", "package": "rh-python36-python-0:3.6.9-2.el6", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 6", "release_date": "2019-11-06T00:00:00Z"}, {"advisory": "RHSA-2019:3948", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el6", "package": "python27-python-0:2.7.17-2.el6", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 6", "release_date": "2019-11-25T00:00:00Z"}, {"advisory": "RHSA-2019:3725", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-python36-python-0:3.6.9-2.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7", "release_date": "2019-11-06T00:00:00Z"}, {"advisory": "RHSA-2019:3948", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "python27-python-0:2.7.17-2.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7", "release_date": "2019-11-25T00:00:00Z"}, {"advisory": "RHSA-2019:3725", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-python36-python-0:3.6.9-2.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7.5 EUS", "release_date": "2019-11-06T00:00:00Z"}, {"advisory": "RHSA-2019:3948", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "python27-python-0:2.7.17-2.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7.5 EUS", "release_date": "2019-11-25T00:00:00Z"}, {"advisory": "RHSA-2019:3725", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-python36-python-0:3.6.9-2.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUS", "release_date": "2019-11-06T00:00:00Z"}, {"advisory": "RHSA-2019:3948", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "python27-python-0:2.7.17-2.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUS", "release_date": "2019-11-25T00:00:00Z"}, {"advisory": "RHSA-2019:3725", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-python36-python-0:3.6.9-2.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUS", "release_date": "2019-11-06T00:00:00Z"}, {"advisory": "RHSA-2019:3948", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "python27-python-0:2.7.17-2.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUS", "release_date": "2019-11-25T00:00:00Z"}], "bugzilla": {"description": "python: email.utils.parseaddr wrongly parses email addresses", "id": "1749839", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1749839"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.3", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L", "status": "verified"}, "cwe": "CWE-20", "details": ["An issue was discovered in Python through 2.7.16, 3.x through 3.5.7, 3.6.x through 3.6.9, and 3.7.x through 3.7.4. 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."], "name": "CVE-2019-16056", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Out of support scope", "package_name": "python", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "python", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "python36:3.6/python36", "product_name": "Red Hat Enterprise Linux 8"}], "public_date": "2018-07-19T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2019-16056\nhttps://nvd.nist.gov/vuln/detail/CVE-2019-16056"], "threat_severity": "Moderate", "upstream_fix": "python 3.7.5, python 2.7.17"}