MinIO information disclosure vulnerability

{
  "id": "22b36c1a1126f2787fc384b155401c33f8b8838e9be250797ef8b0f695bf4682",
  "url": "https://osv.dev/vulnerability/GHSA-95fr-cm4m-q5p9",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "MinIO information disclosure vulnerability",
    "summary": "### Impact [If-Modified-Since](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/If-Modified-Since) [If-Unmodified-Since](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/If-Unmodified-Since) Headers when used with anonymous requests by sending a random object name requests you can figure out if the object exists or not on the server on a specific bucket and also gain access to some amount of information such as ``` Last-Modified (of the latest version) Etag (of the latest version) x-amz-version-id (of the latest version) Expires (metadata value of the latest version) Cache-Control (metadata value of the latest version) ``` This conditional check was being honored before validating if the anonymous access is indeed allowed on the metadata of an object. ### Patches Yes this issue has been already fixed in ``` commit e0fe7cc391724fc5baa85b45508f425020fe4272 (HEAD -> master, origin/master) Author: Harshavardhana Date: Mon May 27 12:17:46 2024 -0700 fix: information disclosure bug in preconditions GET (#19810) precondition check was being honored before, validating if anonymous access is allowed on the metadata of an object, leading to metadata disclosure of the following headers. ``` Last-Modified Etag x-amz-version-id Expires: Cache-Control: ``` although the information presented is minimal in nature, and of opaque nature. It still simply discloses that an object by a specific name exists or not without even having enough permissions. ``` Users must upgrade to ",
    "evidence": "osv:GHSA-95fr-cm4m-q5p9",
    "products": [
      {
        "name": {
          "value": "github.com/minio/minio",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "0.0.0-20240527191746-e0fe7cc39172",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "GHSA-95fr-cm4m-q5p9",
      "aliases": [
        "CVE-2024-36107",
        "GHSA-95fr-cm4m-q5p9",
        "GO-2024-2886"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "SEMVER",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "0.0.0-20240527191746-e0fe7cc39172"
                }
              ]
            }
          ],
          "package": {
            "name": "github.com/minio/minio",
            "purl": "pkg:golang/github.com/minio/minio",
            "ecosystem": "Go"
          },
          "database_specific": {
            "source": "https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2024/05/GHSA-95fr-cm4m-q5p9/GHSA-95fr-cm4m-q5p9.json"
          }
        }
      ],
      "modified": "2026-10-08T08:11:01.691664124Z",
      "provider": "osv",
      "references": [
        "https://github.com/minio/minio/security/advisories/GHSA-95fr-cm4m-q5p9",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-36107",
        "https://github.com/minio/minio/pull/19810",
        "https://github.com/minio/minio/commit/e0fe7cc391724fc5baa85b45508f425020fe4272",
        "https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/If-Modified-Since",
        "https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/If-Unmodified-Since",
        "https://github.com/minio/minio"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-200"
        ],
        "severity": "MODERATE",
        "github_reviewed": true,
        "nvd_published_at": "2024-05-28T19:15:10Z",
        "github_reviewed_at": "2024-05-29T18:37:14Z"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2024-36107",
        "evidence": "/aliases"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 98753,
  "published_at": "2024-05-29T18:37:14+00:00"
}

{
  "id": "11192137246377b5d6909cfe366c3cc2bbfd4de8c14eebaa544e1fcb5f1359c9",
  "url": "https://osv.dev/vulnerability/GO-2024-2886",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "MinIO information disclosure vulnerability in github.com/minio/minio",
    "summary": "MinIO information disclosure vulnerability in github.com/minio/minio",
    "evidence": "osv:GO-2024-2886",
    "products": [
      {
        "name": {
          "value": "github.com/minio/minio",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "0.0.0-20240527191746-e0fe7cc39172",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "GO-2024-2886",
      "aliases": [
        "CVE-2024-36107",
        "GHSA-95fr-cm4m-q5p9",
        "GO-2024-2886"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "SEMVER",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "0.0.0-20240527191746-e0fe7cc39172"
                }
              ]
            }
          ],
          "package": {
            "name": "github.com/minio/minio",
            "purl": "pkg:golang/github.com/minio/minio",
            "ecosystem": "Go"
          },
          "database_specific": {
            "source": "https://vuln.go.dev/ID/GO-2024-2886.json"
          },
          "ecosystem_specific": {}
        }
      ],
      "modified": "2026-10-08T08:11:01.691664124Z",
      "provider": "osv",
      "references": [
        "https://github.com/minio/minio/security/advisories/GHSA-95fr-cm4m-q5p9",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-36107",
        "https://github.com/minio/minio/commit/e0fe7cc391724fc5baa85b45508f425020fe4272",
        "https://github.com/minio/minio/pull/19810",
        "https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/If-Modified-Since",
        "https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/If-Unmodified-Since"
      ],
      "provider_metadata": {
        "url": "https://pkg.go.dev/vuln/GO-2024-2886",
        "review_status": "UNREVIEWED"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2024-36107",
        "evidence": "/aliases"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 98755,
  "published_at": "2024-06-05T15:10:42+00:00"
}