GSD-2021-3603

Vulnerability from gsd - Updated: 2023-12-13 01:23
Details
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.
Aliases
Aliases
CVE-2021-3603
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{
  "GSD": {
    "alias": "CVE-2021-3603",
    "description": "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\u0027s scope by other means). If the $patternselect parameter to validateAddress() is set to \u0027php\u0027 (the default, defined by PHPMailer::$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.",
    "id": "GSD-2021-3603",
    "references": [
      "https://advisories.mageia.org/CVE-2021-3603.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-3603"
      ],
      "details": "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\u0027s scope by other means). If the $patternselect parameter to validateAddress() is set to \u0027php\u0027 (the default, defined by PHPMailer::$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.",
      "id": "GSD-2021-3603",
      "modified": "2023-12-13T01:23:35.309592Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "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": "\u003c",
                          "version_value": "6.5.0"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "PHPMailer"
            }
          ]
        }
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      "data_type": "CVE",
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            "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\u0027s scope by other means). If the $patternselect parameter to validateAddress() is set to \u0027php\u0027 (the default, defined by PHPMailer::$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"
      }
    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "\u003c=6.4.1",
          "affected_versions": "All versions up to 6.4.1",
          "cvss_v2": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "cvss_v3": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "cwe_ids": [
            "CWE-1035",
            "CWE-829",
            "CWE-937"
          ],
          "date": "2021-09-20",
          "description": "PHPMailer contain a vulnerability that can result in untrusted code being called (if such code is injected into the host project\u0027s scope by other means).",
          "fixed_versions": [
            "6.5.0"
          ],
          "identifier": "CVE-2021-3603",
          "identifiers": [
            "CVE-2021-3603"
          ],
          "not_impacted": "All versions after 6.4.1",
          "package_slug": "packagist/phpmailer/phpmailer",
          "pubdate": "2021-06-17",
          "solution": "Upgrade to version 6.5.0 or above.",
          "title": "Inclusion of Functionality from Untrusted Control Sphere",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2021-3603"
          ],
          "uuid": "15f0293e-1d0f-4991-af79-ebf9cd59a03d"
        }
      ]
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:phpmailer_project:phpmailer:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndIncluding": "6.4.1",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "security@huntr.dev",
          "ID": "CVE-2021-3603"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "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\u0027s scope by other means). If the $patternselect parameter to validateAddress() is set to \u0027php\u0027 (the default, defined by PHPMailer::$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."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-829"
                }
              ]
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          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/PHPMailer/PHPMailer/commit/45f3c18dc6a2de1cb1bf49b9b249a9ee36a5f7f3",
              "refsource": "MISC",
              "tags": [
                "Patch",
                "Third Party Advisory"
              ],
              "url": "https://github.com/PHPMailer/PHPMailer/commit/45f3c18dc6a2de1cb1bf49b9b249a9ee36a5f7f3"
            },
            {
              "name": "https://www.huntr.dev/bounties/1-PHPMailer/PHPMailer/",
              "refsource": "CONFIRM",
              "tags": [
                "Product"
              ],
              "url": "https://www.huntr.dev/bounties/1-PHPMailer/PHPMailer/"
            },
            {
              "name": "FEDORA-2021-ef548cb234",
              "refsource": "FEDORA",
              "tags": [
                "Mailing List",
                "Third Party Advisory"
              ],
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            },
            {
              "name": "FEDORA-2021-bfc34b3d5c",
              "refsource": "FEDORA",
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                "Third Party Advisory"
              ],
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FJYSOFCUBS67J3TKR74SD3C454N7VTYM/"
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      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "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,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "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
        }
      },
      "lastModifiedDate": "2021-09-20T17:07Z",
      "publishedDate": "2021-06-17T12:15Z"
    }
  }
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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Detection rules are retrieved from Rulezet.