CVE-2017-12353

{"containers": {"cna": {"affected": [{"product": "Cisco Email Security Appliance", "vendor": "n/a", "versions": [{"status": "affected", "version": "Cisco Email Security Appliance"}]}], "datePublic": "2017-11-30T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "A vulnerability in the Multipurpose Internet Mail Extensions (MIME) scanner of Cisco AsyncOS Software for Cisco Email Security Appliances (ESA) could allow an unauthenticated, remote attacker to bypass configured user filters on the device. The vulnerability is due to improper error handling of a malformed MIME header in an email attachment. An attacker could exploit this vulnerability by sending an email with a crafted MIME attachment. For example, a successful exploit could allow the attacker to bypass configured user filters to drop the email. The malformed MIME headers may not be RFC compliant. However, some mail clients could still allow users to access the attachment, which may not have been properly filtered by the device. Cisco Bug IDs: CSCvf44666."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-254", "description": "CWE-254", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2017-12-01T10:57:01.000Z", "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco"}, "references": [{"name": "1039917", "tags": ["vdb-entry", "x_refsource_SECTRACK"], "url": "http://www.securitytracker.com/id/1039917"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171129-esa"}, {"name": "102002", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/102002"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "psirt@cisco.com", "ID": "CVE-2017-12353", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Cisco Email Security Appliance", "version": {"version_data": [{"version_value": "Cisco Email Security Appliance"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "A vulnerability in the Multipurpose Internet Mail Extensions (MIME) scanner of Cisco AsyncOS Software for Cisco Email Security Appliances (ESA) could allow an unauthenticated, remote attacker to bypass configured user filters on the device. The vulnerability is due to improper error handling of a malformed MIME header in an email attachment. An attacker could exploit this vulnerability by sending an email with a crafted MIME attachment. For example, a successful exploit could allow the attacker to bypass configured user filters to drop the email. The malformed MIME headers may not be RFC compliant. However, some mail clients could still allow users to access the attachment, which may not have been properly filtered by the device. Cisco Bug IDs: CSCvf44666."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-254"}]}]}, "references": {"reference_data": [{"name": "1039917", "refsource": "SECTRACK", "url": "http://www.securitytracker.com/id/1039917"}, {"name": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171129-esa", "refsource": "CONFIRM", "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171129-esa"}, {"name": "102002", "refsource": "BID", "url": "http://www.securityfocus.com/bid/102002"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T18:36:56.305Z"}, "title": "CVE Program Container", "references": [{"name": "1039917", "tags": ["vdb-entry", "x_refsource_SECTRACK", "x_transferred"], "url": "http://www.securitytracker.com/id/1039917"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171129-esa"}, {"name": "102002", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/102002"}]}]}, "cveMetadata": {"assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "assignerShortName": "cisco", "cveId": "CVE-2017-12353", "datePublished": "2017-11-30T09:00:00.000Z", "dateReserved": "2017-08-03T00:00:00.000Z", "dateUpdated": "2024-08-05T18:36:56.305Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "Cisco Email Security Appliance", "vendor": "n/a", "versions": [{"status": "affected", "version": "Cisco Email Security Appliance"}]}], "source": "psirt@cisco.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:cisco:asyncos:-:*:*:*:*:*:*:*", "matchCriteriaId": "87AA6AB8-12B9-4810-9D06-01EEBF7B01C9", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability in the Multipurpose Internet Mail Extensions (MIME) scanner of Cisco AsyncOS Software for Cisco Email Security Appliances (ESA) could allow an unauthenticated, remote attacker to bypass configured user filters on the device. The vulnerability is due to improper error handling of a malformed MIME header in an email attachment. An attacker could exploit this vulnerability by sending an email with a crafted MIME attachment. For example, a successful exploit could allow the attacker to bypass configured user filters to drop the email. The malformed MIME headers may not be RFC compliant. However, some mail clients could still allow users to access the attachment, which may not have been properly filtered by the device. Cisco Bug IDs: CSCvf44666."}, {"lang": "es", "value": "Una vulnerabilidad en el esc\u00e1ner Multipurpose Internet Mail Extensions (MIME) de Cisco AsyncOS Software para Cisco Email Security Appliances (ESA) podr\u00eda permitir que un atacante remoto no autenticado omita los filtros de usuario configurados en el dispositivo. La vulnerabilidad se debe a la gesti\u00f3n incorrecta de errores de una cabecera MIME en un archivo adjunto de correo electr\u00f3nico. Un atacante podr\u00eda explotar esta vulnerabilidad mediante el env\u00edo de un correo electr\u00f3nico con un archivo adjunto MIME manipulado. Por ejemplo, un exploit exitoso podr\u00eda permitir que el atacante omita los filtros de usuario configurados para enviar el correo electr\u00f3nico. Las cabeceras MIME podr\u00edan no ser compatibles con RFC. Sin embargo, algunos clientes de correo electr\u00f3nico podr\u00edan seguir permitiendo que los usuarios accedan al archivo adjunto, que tal vez no haya sido correctamente filtrado por el dispositivo. Cisco Bug IDs: CSCvf44666."}], "id": "CVE-2017-12353", "lastModified": "2026-06-17T01:03:11.993", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/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}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2017-11-30T09:29:01.073", "references": [{"source": "psirt@cisco.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/102002"}, {"source": "psirt@cisco.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securitytracker.com/id/1039917"}, {"source": "psirt@cisco.com", "tags": ["Vendor Advisory"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171129-esa"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/102002"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securitytracker.com/id/1039917"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171129-esa"}], "sourceIdentifier": "psirt@cisco.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-254"}], "source": "psirt@cisco.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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