Vulnerability-Lookup

GSD-2020-9309

Vulnerability from gsd - Updated: 2023-12-13 01:21

Details

Silverstripe CMS through 4.5 can be susceptible to script execution from malicious upload contents under allowed file extensions (for example HTML code in a TXT file). When these files are stored as protected or draft files, the MIME detection can cause browsers to execute the file contents. Uploads stored as protected or draft files are allowed by default for authorised users only, but can also be enabled through custom logic as well as modules such as silverstripe/userforms. Sites using the previously optional silverstripe/mimevalidator module can configure MIME whitelists rather than extension whitelists, and hence prevent this issue. Sites on the Common Web Platform (CWP) use this module by default, and are not affected.

Aliases

CVE-2020-9309

Aliases

CVE-2020-9309

JSON

To clipboard

{
  "GSD": {
    "alias": "CVE-2020-9309",
    "description": "Silverstripe CMS through 4.5 can be susceptible to script execution from malicious upload contents under allowed file extensions (for example HTML code in a TXT file). When these files are stored as protected or draft files, the MIME detection can cause browsers to execute the file contents. Uploads stored as protected or draft files are allowed by default for authorised users only, but can also be enabled through custom logic as well as modules such as silverstripe/userforms. Sites using the previously optional silverstripe/mimevalidator module can configure MIME whitelists rather than extension whitelists, and hence prevent this issue. Sites on the Common Web Platform (CWP) use this module by default, and are not affected.",
    "id": "GSD-2020-9309"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2020-9309"
      ],
      "details": "Silverstripe CMS through 4.5 can be susceptible to script execution from malicious upload contents under allowed file extensions (for example HTML code in a TXT file). When these files are stored as protected or draft files, the MIME detection can cause browsers to execute the file contents. Uploads stored as protected or draft files are allowed by default for authorised users only, but can also be enabled through custom logic as well as modules such as silverstripe/userforms. Sites using the previously optional silverstripe/mimevalidator module can configure MIME whitelists rather than extension whitelists, and hence prevent this issue. Sites on the Common Web Platform (CWP) use this module by default, and are not affected.",
      "id": "GSD-2020-9309",
      "modified": "2023-12-13T01:21:53.014523Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2020-9309",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "n/a"
                        }
                      ]
                    }
                  }
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              },
              "vendor_name": "n/a"
            }
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            "lang": "eng",
            "value": "Silverstripe CMS through 4.5 can be susceptible to script execution from malicious upload contents under allowed file extensions (for example HTML code in a TXT file). When these files are stored as protected or draft files, the MIME detection can cause browsers to execute the file contents. Uploads stored as protected or draft files are allowed by default for authorised users only, but can also be enabled through custom logic as well as modules such as silverstripe/userforms. Sites using the previously optional silverstripe/mimevalidator module can configure MIME whitelists rather than extension whitelists, and hence prevent this issue. Sites on the Common Web Platform (CWP) use this module by default, and are not affected."
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "n/a"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://www.silverstripe.org/download/security-releases/CVE-2020-9309",
            "refsource": "CONFIRM",
            "url": "https://www.silverstripe.org/download/security-releases/CVE-2020-9309"
          }
        ]
      }
    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "\u003c=4.5",
          "affected_versions": "All versions up to 4.5",
          "cvss_v2": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "cwe_ids": [
            "CWE-1035",
            "CWE-434",
            "CWE-78",
            "CWE-937"
          ],
          "date": "2023-07-13",
          "description": "Silverstripe CMS through 4.5 can be susceptible to script execution from malicious upload contents under allowed file extensions (for example HTML code in a TXT file). When these files are stored as protected or draft files, the MIME detection can cause browsers to execute the file contents. Uploads stored as protected or draft files are allowed by default for authorised users only, but can also be enabled through custom logic as well as modules such as silverstripe/userforms. Sites using the previously optional silverstripe/mimevalidator module can configure MIME allow lists rather than extension allow lists, and hence prevent this issue. Sites on the Common Web Platform (CWP) use this module by default, and are not affected.",
          "fixed_versions": [],
          "identifier": "CVE-2020-9309",
          "identifiers": [
            "GHSA-h77w-655f-6j3m",
            "CVE-2020-9309"
          ],
          "not_impacted": "",
          "package_slug": "packagist/silverstripe/cms",
          "pubdate": "2022-05-24",
          "solution": "Unfortunately, there is no solution available yet.",
          "title": "Unrestricted Upload of File with Dangerous Type",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2020-9309",
            "https://www.silverstripe.org/download/security-releases/CVE-2020-9309",
            "https://github.com/advisories/GHSA-h77w-655f-6j3m"
          ],
          "uuid": "6915120a-6d7d-43d9-adf5-d47cb0fdd0fb"
        },
        {
          "affected_range": "\u003c2.0.0",
          "affected_versions": "All versions before 2.0.0",
          "cvss_v2": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "cwe_ids": [
            "CWE-1035",
            "CWE-434",
            "CWE-937"
          ],
          "date": "2020-07-24",
          "description": "Silverstripe CMS can be susceptible to script execution from malicious upload contents under allowed file extensions (for example HTML code in a TXT file). When these files are stored as protected or draft files, the MIME detection can cause browsers to execute the file contents.",
          "fixed_versions": [
            "2.0.0"
          ],
          "identifier": "CVE-2020-9309",
          "identifiers": [
            "CVE-2020-9309"
          ],
          "not_impacted": "All versions starting from 2.0.0",
          "package_slug": "packagist/silverstripe/mimevalidator",
          "pubdate": "2020-07-15",
          "solution": "Upgrade to version 2.0.0 or above.",
          "title": "Unrestricted Upload of File with Dangerous Type",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2020-9309",
            "https://www.silverstripe.org/download/security-releases/CVE-2020-9309"
          ],
          "uuid": "b1980d34-24e1-49e6-8b21-34eaf6e92b9e"
        }
      ]
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:silverstripe:mimevalidator:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "2.0.0",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:silverstripe:recipe:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "4.6.0",
                "versionStartIncluding": "4.0.0",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2020-9309"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "Silverstripe CMS through 4.5 can be susceptible to script execution from malicious upload contents under allowed file extensions (for example HTML code in a TXT file). When these files are stored as protected or draft files, the MIME detection can cause browsers to execute the file contents. Uploads stored as protected or draft files are allowed by default for authorised users only, but can also be enabled through custom logic as well as modules such as silverstripe/userforms. Sites using the previously optional silverstripe/mimevalidator module can configure MIME whitelists rather than extension whitelists, and hence prevent this issue. Sites on the Common Web Platform (CWP) use this module by default, and are not affected."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-434"
                }
              ]
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          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.silverstripe.org/download/security-releases/CVE-2020-9309",
              "refsource": "CONFIRM",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "https://www.silverstripe.org/download/security-releases/CVE-2020-9309"
            }
          ]
        }
      },
      "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": true
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 2.8,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2020-07-24T14:39Z",
      "publishedDate": "2020-07-15T21:15Z"
    }
  }
}

CVE-2020-9309 (GCVE-0-2020-9309)

Vulnerability from cvelistv5 – Published: 2020-07-15 20:57 – Updated: 2024-08-04 10:26

Summary

Severity

No CVSS data available.

CWE

Assigner

mitre

References

1 reference

URL	Tags
https://www.silverstripe.org/download/security-re…	x_refsource_CONFIRM

Date Public

2020-07-13 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T10:26:16.029Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
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          {
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              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://www.silverstripe.org/download/security-releases/CVE-2020-9309"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2020-07-13T00:00:00.000Z",
      "descriptions": [
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          "lang": "en",
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        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
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      ],
      "providerMetadata": {
        "dateUpdated": "2020-07-15T20:57:20.000Z",
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      },
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            "x_refsource_CONFIRM"
          ],
          "url": "https://www.silverstripe.org/download/security-releases/CVE-2020-9309"
        }
      ],
      "x_legacyV4Record": {
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          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2020-9309",
          "STATE": "PUBLIC"
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        "affects": {
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    "datePublished": "2020-07-15T20:57:20.000Z",
    "dateReserved": "2020-02-20T00:00:00.000Z",
    "dateUpdated": "2024-08-04T10:26:16.029Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

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.

Action not permitted

GSD-2020-9309

CVE-2020-9309 (GCVE-0-2020-9309)

Tags

Sightings

Nomenclature