CVE-2021-3603

{"containers": {"cna": {"affected": [{"product": "PHPMailer", "vendor": "PHPMailer", "versions": [{"lessThan": "6.5.0", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "PHPMailer 6.4.1 and earlier contain a vulnerability that can result in untrusted code being called (if such code is injected into the host project's scope by other means). If the $patternselect parameter to validateAddress() is set to 'php' (the default, defined by PHPMailer::$validator), and the global namespace contains a function called php, it will be called in preference to the built-in validator of the same name. Mitigated in PHPMailer 6.5.0 by denying the use of simple strings as validator function names."}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-829", "description": "CWE-829 Inclusion of Functionality from Untrusted Control Sphere", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-06-26T02:06:18.000Z", "orgId": "c09c270a-b464-47c1-9133-acb35b22c19a", "shortName": "@huntrdev"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://www.huntr.dev/bounties/1-PHPMailer/PHPMailer/"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/PHPMailer/PHPMailer/commit/45f3c18dc6a2de1cb1bf49b9b249a9ee36a5f7f3"}, {"name": "FEDORA-2021-bfc34b3d5c", "tags": ["vendor-advisory", "x_refsource_FEDORA"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FJYSOFCUBS67J3TKR74SD3C454N7VTYM/"}, {"name": "FEDORA-2021-ef548cb234", "tags": ["vendor-advisory", "x_refsource_FEDORA"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3YRMWGA4VTMXFB22KICMB7YMFZNFV3EJ/"}], "source": {"advisory": "1-PHPMailer/PHPMailer", "discovery": "EXTERNAL"}, "title": "Inclusion of Functionality from Untrusted Control Sphere in PHPMailer/PHPMailer", "x_generator": {"engine": "Vulnogram 0.0.9"}, "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security@huntr.dev", "ID": "CVE-2021-3603", "STATE": "PUBLIC", "TITLE": "Inclusion of Functionality from Untrusted Control Sphere in PHPMailer/PHPMailer"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "PHPMailer", "version": {"version_data": [{"version_affected": "<", "version_value": "6.5.0"}]}}]}, "vendor_name": "PHPMailer"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "PHPMailer 6.4.1 and earlier contain a vulnerability that can result in untrusted code being called (if such code is injected into the host project's scope by other means). If the $patternselect parameter to validateAddress() is set to 'php' (the default, defined by PHPMailer::$validator), and the global namespace contains a function called php, it will be called in preference to the built-in validator of the same name. Mitigated in PHPMailer 6.5.0 by denying the use of simple strings as validator function names."}]}, "generator": {"engine": "Vulnogram 0.0.9"}, "impact": {"cvss": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-829 Inclusion of Functionality from Untrusted Control Sphere"}]}]}, "references": {"reference_data": [{"name": "https://www.huntr.dev/bounties/1-PHPMailer/PHPMailer/", "refsource": "CONFIRM", "url": "https://www.huntr.dev/bounties/1-PHPMailer/PHPMailer/"}, {"name": "https://github.com/PHPMailer/PHPMailer/commit/45f3c18dc6a2de1cb1bf49b9b249a9ee36a5f7f3", "refsource": "MISC", "url": "https://github.com/PHPMailer/PHPMailer/commit/45f3c18dc6a2de1cb1bf49b9b249a9ee36a5f7f3"}, {"name": "FEDORA-2021-bfc34b3d5c", "refsource": "FEDORA", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FJYSOFCUBS67J3TKR74SD3C454N7VTYM/"}, {"name": "FEDORA-2021-ef548cb234", "refsource": "FEDORA", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3YRMWGA4VTMXFB22KICMB7YMFZNFV3EJ/"}]}, "source": {"advisory": "1-PHPMailer/PHPMailer", "discovery": "EXTERNAL"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T17:01:07.074Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://www.huntr.dev/bounties/1-PHPMailer/PHPMailer/"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/PHPMailer/PHPMailer/commit/45f3c18dc6a2de1cb1bf49b9b249a9ee36a5f7f3"}, {"name": "FEDORA-2021-bfc34b3d5c", "tags": ["vendor-advisory", "x_refsource_FEDORA", "x_transferred"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FJYSOFCUBS67J3TKR74SD3C454N7VTYM/"}, {"name": "FEDORA-2021-ef548cb234", "tags": ["vendor-advisory", "x_refsource_FEDORA", "x_transferred"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3YRMWGA4VTMXFB22KICMB7YMFZNFV3EJ/"}]}]}, "cveMetadata": {"assignerOrgId": "c09c270a-b464-47c1-9133-acb35b22c19a", "assignerShortName": "@huntrdev", "cveId": "CVE-2021-3603", "datePublished": "2021-06-17T12:09:42.000Z", "dateReserved": "2021-06-15T00:00:00.000Z", "dateUpdated": "2024-08-03T17:01:07.074Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "PHPMailer", "vendor": "PHPMailer", "versions": [{"lessThan": "6.5.0", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "source": "security@huntr.dev"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:phpmailer_project:phpmailer:*:*:*:*:*:*:*:*", "matchCriteriaId": "437831BD-D01F-42E9-A248-2AFEE67FB017", "versionEndIncluding": "6.4.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*", "matchCriteriaId": "E460AA51-FCDA-46B9-AE97-E6676AA5E194", "vulnerable": true}, {"criteria": "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*", "matchCriteriaId": "A930E247-0B43-43CB-98FF-6CE7B8189835", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "PHPMailer 6.4.1 and earlier contain a vulnerability that can result in untrusted code being called (if such code is injected into the host project's scope by other means). If the $patternselect parameter to validateAddress() is set to 'php' (the default, defined by PHPMailer::$validator), and the global namespace contains a function called php, it will be called in preference to the built-in validator of the same name. Mitigated in PHPMailer 6.5.0 by denying the use of simple strings as validator function names."}, {"lang": "es", "value": "PHPMailer versi\u00f3n 6.4.1 y anteriores contienen una vulnerabilidad que puede resultar en la llamada de c\u00f3digo no confiable (si dicho c\u00f3digo es inyectado en el \u00e1mbito del proyecto anfitri\u00f3n por otros medios). Si el par\u00e1metro $patternselect de la funci\u00f3n validateAddress() es ajustada como \"php\" (el valor predeterminado, definido por PHPMailer::$validator), y el namespace global contiene una funci\u00f3n llamada php, \u00e9sta ser\u00e1 llamada con preferencia al validador incorporado del mismo nombre. Mitigado en PHPMailer versi\u00f3n 6.5.0 negando el uso de cadenas simples como nombres de funciones de validador"}], "id": "CVE-2021-3603", "lastModified": "2026-06-17T04:05:25.257", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 5.9, "source": "security@huntr.dev", "type": "Secondary"}, {"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-06-17T12:15:08.150", "references": [{"source": "security@huntr.dev", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/PHPMailer/PHPMailer/commit/45f3c18dc6a2de1cb1bf49b9b249a9ee36a5f7f3"}, {"source": "security@huntr.dev", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3YRMWGA4VTMXFB22KICMB7YMFZNFV3EJ/"}, {"source": "security@huntr.dev", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FJYSOFCUBS67J3TKR74SD3C454N7VTYM/"}, {"source": "security@huntr.dev", "tags": ["Product"], "url": "https://www.huntr.dev/bounties/1-PHPMailer/PHPMailer/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/PHPMailer/PHPMailer/commit/45f3c18dc6a2de1cb1bf49b9b249a9ee36a5f7f3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3YRMWGA4VTMXFB22KICMB7YMFZNFV3EJ/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FJYSOFCUBS67J3TKR74SD3C454N7VTYM/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Product"], "url": "https://www.huntr.dev/bounties/1-PHPMailer/PHPMailer/"}], "sourceIdentifier": "security@huntr.dev", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-829"}], "source": "security@huntr.dev", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-829"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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