Vulnerability-Lookup

Vulnerability from bitnami_vulndb

Published

2024-03-06 10:58

Modified

2025-05-20 10:02

Summary

Bypassing readOnly policy by creating a temporary 'mc share upload' URL

Details

MinIO is an open-source high performance object storage service and it is API compatible with Amazon S3 cloud storage service. In MinIO before version RELEASE.2021-03-04T00-53-13Z it is possible to bypass a readOnly policy by creating a temporary 'mc share upload' URL. Everyone is impacted who uses MinIO multi-users. This is fixed in version RELEASE.2021-03-04T00-53-13Z. As a workaround, one can disable uploads with Content-Type: multipart/form-data as mentioned in the S3 API RESTObjectPOST docs by using a proxy in front of MinIO.

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "Bitnami",
        "name": "minio",
        "purl": "pkg:bitnami/minio"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2021.03.04"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "severity": [
        {
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
          "type": "CVSS_V3"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2021-21362"
  ],
  "database_specific": {
    "cpes": [
      "cpe:2.3:a:minio:minio:*:*:*:*:*:*:*:*"
    ],
    "severity": "Medium"
  },
  "details": "MinIO is an open-source high performance object storage service and it is API compatible with Amazon S3 cloud storage service. In MinIO before version RELEASE.2021-03-04T00-53-13Z it is possible to bypass a readOnly policy by creating a temporary \u0027mc share upload\u0027 URL. Everyone is impacted who uses MinIO multi-users. This is fixed in version RELEASE.2021-03-04T00-53-13Z. As a workaround, one can disable uploads with `Content-Type: multipart/form-data` as mentioned in the S3 API RESTObjectPOST docs by using a proxy in front of MinIO.",
  "id": "BIT-minio-2021-21362",
  "modified": "2025-05-20T10:02:07.006Z",
  "published": "2024-03-06T10:58:10.992Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/minio/minio/commit/039f59b552319fcc2f83631bb421a7d4b82bc482"
    },
    {
      "type": "WEB",
      "url": "https://github.com/minio/minio/pull/11682"
    },
    {
      "type": "WEB",
      "url": "https://github.com/minio/minio/releases/tag/RELEASE.2021-03-04T00-53-13Z"
    },
    {
      "type": "WEB",
      "url": "https://github.com/minio/minio/security/advisories/GHSA-hq5j-6r98-9m8v"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-21362"
    }
  ],
  "schema_version": "1.5.0",
  "summary": "Bypassing readOnly policy by creating a temporary \u0027mc share upload\u0027 URL"
}

CVE-2021-21362 (GCVE-0-2021-21362)

Vulnerability from cvelistv5 – Published: 2021-03-08 18:40 – Updated: 2024-08-03 18:09

Title

Bypassing readOnly policy by creating a temporary 'mc share upload' URL

Summary

MinIO is an open-source high performance object storage service and it is API compatible with Amazon S3 cloud storage service. In MinIO before version RELEASE.2021-03-04T00-53-13Z it is possible to bypass a readOnly policy by creating a temporary 'mc share upload' URL. Everyone is impacted who uses MinIO multi-users. This is fixed in version RELEASE.2021-03-04T00-53-13Z. As a workaround, one can disable uploads with `Content-Type: multipart/form-data` as mentioned in the S3 API RESTObjectPOST docs by using a proxy in front of MinIO.

Severity ?

7.7 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N

CWE

CWE-285 - Improper Authorization

Assigner

GitHub_M

References

URL

Tags

	https://github.com/minio/minio/security/advisorie…	x_refsource_CONFIRM
	https://github.com/minio/minio/pull/11682	x_refsource_MISC
	https://github.com/minio/minio/commit/039f59b5523…	x_refsource_MISC
	https://github.com/minio/minio/releases/tag/RELEA…	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	minio	minio	Affected: < RELEASE.2021-03-04T00-53-13Z

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T18:09:15.715Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/minio/minio/security/advisories/GHSA-hq5j-6r98-9m8v"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/minio/minio/pull/11682"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/minio/minio/commit/039f59b552319fcc2f83631bb421a7d4b82bc482"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/minio/minio/releases/tag/RELEASE.2021-03-04T00-53-13Z"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "minio",
          "vendor": "minio",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c RELEASE.2021-03-04T00-53-13Z"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "MinIO is an open-source high performance object storage service and it is API compatible with Amazon S3 cloud storage service. In MinIO before version RELEASE.2021-03-04T00-53-13Z it is possible to bypass a readOnly policy by creating a temporary \u0027mc share upload\u0027 URL. Everyone is impacted who uses MinIO multi-users. This is fixed in version RELEASE.2021-03-04T00-53-13Z. As a workaround, one can disable uploads with `Content-Type: multipart/form-data` as mentioned in the S3 API RESTObjectPOST docs by using a proxy in front of MinIO."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.7,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-285",
              "description": "CWE-285: Improper Authorization",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-03-08T18:40:34",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/minio/minio/security/advisories/GHSA-hq5j-6r98-9m8v"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/minio/minio/pull/11682"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/minio/minio/commit/039f59b552319fcc2f83631bb421a7d4b82bc482"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/minio/minio/releases/tag/RELEASE.2021-03-04T00-53-13Z"
        }
      ],
      "source": {
        "advisory": "GHSA-hq5j-6r98-9m8v",
        "discovery": "UNKNOWN"
      },
      "title": "Bypassing readOnly policy by creating a temporary \u0027mc share upload\u0027 URL",
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security-advisories@github.com",
          "ID": "CVE-2021-21362",
          "STATE": "PUBLIC",
          "TITLE": "Bypassing readOnly policy by creating a temporary \u0027mc share upload\u0027 URL"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "minio",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "\u003c RELEASE.2021-03-04T00-53-13Z"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "minio"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "MinIO is an open-source high performance object storage service and it is API compatible with Amazon S3 cloud storage service. In MinIO before version RELEASE.2021-03-04T00-53-13Z it is possible to bypass a readOnly policy by creating a temporary \u0027mc share upload\u0027 URL. Everyone is impacted who uses MinIO multi-users. This is fixed in version RELEASE.2021-03-04T00-53-13Z. As a workaround, one can disable uploads with `Content-Type: multipart/form-data` as mentioned in the S3 API RESTObjectPOST docs by using a proxy in front of MinIO."
            }
          ]
        },
        "impact": {
          "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.7,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N",
            "version": "3.1"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-285: Improper Authorization"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/minio/minio/security/advisories/GHSA-hq5j-6r98-9m8v",
              "refsource": "CONFIRM",
              "url": "https://github.com/minio/minio/security/advisories/GHSA-hq5j-6r98-9m8v"
            },
            {
              "name": "https://github.com/minio/minio/pull/11682",
              "refsource": "MISC",
              "url": "https://github.com/minio/minio/pull/11682"
            },
            {
              "name": "https://github.com/minio/minio/commit/039f59b552319fcc2f83631bb421a7d4b82bc482",
              "refsource": "MISC",
              "url": "https://github.com/minio/minio/commit/039f59b552319fcc2f83631bb421a7d4b82bc482"
            },
            {
              "name": "https://github.com/minio/minio/releases/tag/RELEASE.2021-03-04T00-53-13Z",
              "refsource": "MISC",
              "url": "https://github.com/minio/minio/releases/tag/RELEASE.2021-03-04T00-53-13Z"
            }
          ]
        },
        "source": {
          "advisory": "GHSA-hq5j-6r98-9m8v",
          "discovery": "UNKNOWN"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2021-21362",
    "datePublished": "2021-03-08T18:40:34",
    "dateReserved": "2020-12-22T00:00:00",
    "dateUpdated": "2024-08-03T18:09:15.715Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

Action not permitted

Vulnerability from bitnami_vulndb

CVE-2021-21362 (GCVE-0-2021-21362)

Tags

Sightings

Nomenclature