CVE-2020-27304 (GCVE-0-2020-27304)

Vulnerability from cvelistv5 – Published: 2021-10-21 15:42 – Updated: 2024-08-04 16:11
VLAI?
Summary
The CivetWeb web library does not validate uploaded filepaths when running on an OS other than Windows, when using the built-in HTTP form-based file upload mechanism, via the mg_handle_form_request API. Web applications that use the file upload form handler, and use parts of the user-controlled filename in the output path, are susceptible to directory traversal
Severity ?
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
civetweb_project civetweb Unaffected: 1.15 , < unspecified (custom)
Affected: 1.8 , < unspecified (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T16:11:36.691Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://jfrog.com/blog/cve-2020-27304-rce-via-directory-traversal-in-civetweb-http-server/"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://groups.google.com/g/civetweb/c/yPBxNXdGgJQ"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-222547.pdf"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "civetweb",
          "vendor": "civetweb_project",
          "versions": [
            {
              "lessThan": "unspecified",
              "status": "unaffected",
              "version": "1.15",
              "versionType": "custom"
            },
            {
              "lessThan": "unspecified",
              "status": "affected",
              "version": "1.8",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "The CivetWeb web library does not validate uploaded filepaths when running on an OS other than Windows, when using the built-in HTTP form-based file upload mechanism, via the mg_handle_form_request API. Web applications that use the file upload form handler, and use parts of the user-controlled filename in the output path, are susceptible to directory traversal"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-23",
              "description": "CWE-23",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-06-14T10:06:41",
        "orgId": "6b4ace4a-d6e0-415b-9ce8-aa20e97e4b24",
        "shortName": "VDOO"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://jfrog.com/blog/cve-2020-27304-rce-via-directory-traversal-in-civetweb-http-server/"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://groups.google.com/g/civetweb/c/yPBxNXdGgJQ"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-222547.pdf"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "vuln@vdoo.com",
          "ID": "CVE-2020-27304",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "civetweb",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "!\u003e=",
                            "version_value": "1.15"
                          },
                          {
                            "version_affected": "\u003e=",
                            "version_value": "1.8"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "civetweb_project"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "The CivetWeb web library does not validate uploaded filepaths when running on an OS other than Windows, when using the built-in HTTP form-based file upload mechanism, via the mg_handle_form_request API. Web applications that use the file upload form handler, and use parts of the user-controlled filename in the output path, are susceptible to directory traversal"
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-23"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://jfrog.com/blog/cve-2020-27304-rce-via-directory-traversal-in-civetweb-http-server/",
              "refsource": "MISC",
              "url": "https://jfrog.com/blog/cve-2020-27304-rce-via-directory-traversal-in-civetweb-http-server/"
            },
            {
              "name": "https://groups.google.com/g/civetweb/c/yPBxNXdGgJQ",
              "refsource": "MISC",
              "url": "https://groups.google.com/g/civetweb/c/yPBxNXdGgJQ"
            },
            {
              "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf",
              "refsource": "CONFIRM",
              "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf"
            },
            {
              "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-222547.pdf",
              "refsource": "CONFIRM",
              "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-222547.pdf"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "6b4ace4a-d6e0-415b-9ce8-aa20e97e4b24",
    "assignerShortName": "VDOO",
    "cveId": "CVE-2020-27304",
    "datePublished": "2021-10-21T15:42:23",
    "dateReserved": "2020-10-19T00:00:00",
    "dateUpdated": "2024-08-04T16:11:36.691Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "fkie_nvd": {
      "configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:civetweb_project:civetweb:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"1.8\", \"versionEndExcluding\": \"1.15\", \"matchCriteriaId\": \"86B4245C-5C12-424B-A771-E04CE3516108\"}]}]}, {\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:siemens:sinec_infrastructure_network_services:*:*:*:*:*:*:*:*\", \"versionEndExcluding\": \"1.0.1.1\", \"matchCriteriaId\": \"B0F46497-4AB0-49A7-9453-CC26837BF253\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"The CivetWeb web library does not validate uploaded filepaths when running on an OS other than Windows, when using the built-in HTTP form-based file upload mechanism, via the mg_handle_form_request API. Web applications that use the file upload form handler, and use parts of the user-controlled filename in the output path, are susceptible to directory traversal\"}, {\"lang\": \"es\", \"value\": \"La biblioteca web CivetWeb no comprueba las rutas de los archivos cargados cuando se ejecuta en un sistema operativo distinto de Windows, cuando es usado el mecanismo incorporado de carga de archivos basado en formularios HTTP, por medio de la API mg_handle_form_request. Las aplicaciones web que usan el manejador de formularios de carga de archivos, y usan partes del nombre de archivo controlado por el usuario en la ruta de salida, son susceptibles a un salto de directorio\"}]",
      "id": "CVE-2020-27304",
      "lastModified": "2024-11-21T05:21:01.317",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\", \"baseScore\": 9.8, \"baseSeverity\": \"CRITICAL\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 3.9, \"impactScore\": 5.9}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:N/AC:L/Au:N/C:P/I:P/A:P\", \"baseScore\": 7.5, \"accessVector\": \"NETWORK\", \"accessComplexity\": \"LOW\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"PARTIAL\", \"integrityImpact\": \"PARTIAL\", \"availabilityImpact\": \"PARTIAL\"}, \"baseSeverity\": \"HIGH\", \"exploitabilityScore\": 10.0, \"impactScore\": 6.4, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
      "published": "2021-10-21T16:15:07.737",
      "references": "[{\"url\": \"https://cert-portal.siemens.com/productcert/pdf/ssa-222547.pdf\", \"source\": \"vuln@vdoo.com\"}, {\"url\": \"https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf\", \"source\": \"vuln@vdoo.com\", \"tags\": [\"Patch\", \"Third Party Advisory\"]}, {\"url\": \"https://groups.google.com/g/civetweb/c/yPBxNXdGgJQ\", \"source\": \"vuln@vdoo.com\", \"tags\": [\"Mailing List\", \"Third Party Advisory\"]}, {\"url\": \"https://jfrog.com/blog/cve-2020-27304-rce-via-directory-traversal-in-civetweb-http-server/\", \"source\": \"vuln@vdoo.com\", \"tags\": [\"Exploit\", \"Third Party Advisory\"]}, {\"url\": \"https://cert-portal.siemens.com/productcert/pdf/ssa-222547.pdf\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\", \"Third Party Advisory\"]}, {\"url\": \"https://groups.google.com/g/civetweb/c/yPBxNXdGgJQ\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Mailing List\", \"Third Party Advisory\"]}, {\"url\": \"https://jfrog.com/blog/cve-2020-27304-rce-via-directory-traversal-in-civetweb-http-server/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Exploit\", \"Third Party Advisory\"]}]",
      "sourceIdentifier": "vuln@vdoo.com",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"vuln@vdoo.com\", \"type\": \"Secondary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-23\"}]}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-22\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2020-27304\",\"sourceIdentifier\":\"vuln@vdoo.com\",\"published\":\"2021-10-21T16:15:07.737\",\"lastModified\":\"2024-11-21T05:21:01.317\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"The CivetWeb web library does not validate uploaded filepaths when running on an OS other than Windows, when using the built-in HTTP form-based file upload mechanism, via the mg_handle_form_request API. Web applications that use the file upload form handler, and use parts of the user-controlled filename in the output path, are susceptible to directory traversal\"},{\"lang\":\"es\",\"value\":\"La biblioteca web CivetWeb no comprueba las rutas de los archivos cargados cuando se ejecuta en un sistema operativo distinto de Windows, cuando es usado el mecanismo incorporado de carga de archivos basado en formularios HTTP, por medio de la API mg_handle_form_request. Las aplicaciones web que usan el manejador de formularios de carga de archivos, y usan partes del nombre de archivo controlado por el usuario en la ruta de salida, son susceptibles a un salto de directorio\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":9.8,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:P/I:P/A:P\",\"baseScore\":7.5,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":10.0,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"vuln@vdoo.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-23\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-22\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:civetweb_project:civetweb:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"1.8\",\"versionEndExcluding\":\"1.15\",\"matchCriteriaId\":\"86B4245C-5C12-424B-A771-E04CE3516108\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:siemens:sinec_infrastructure_network_services:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"1.0.1.1\",\"matchCriteriaId\":\"B0F46497-4AB0-49A7-9453-CC26837BF253\"}]}]}],\"references\":[{\"url\":\"https://cert-portal.siemens.com/productcert/pdf/ssa-222547.pdf\",\"source\":\"vuln@vdoo.com\"},{\"url\":\"https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf\",\"source\":\"vuln@vdoo.com\",\"tags\":[\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://groups.google.com/g/civetweb/c/yPBxNXdGgJQ\",\"source\":\"vuln@vdoo.com\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://jfrog.com/blog/cve-2020-27304-rce-via-directory-traversal-in-civetweb-http-server/\",\"source\":\"vuln@vdoo.com\",\"tags\":[\"Exploit\",\"Third Party Advisory\"]},{\"url\":\"https://cert-portal.siemens.com/productcert/pdf/ssa-222547.pdf\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://groups.google.com/g/civetweb/c/yPBxNXdGgJQ\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://jfrog.com/blog/cve-2020-27304-rce-via-directory-traversal-in-civetweb-http-server/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Exploit\",\"Third Party Advisory\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • 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.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.