Vulnerability from bitnami_vulndb
Published
2024-03-06 10:56
Modified
2025-05-20 10:02
Summary
Minio Privilege Escalation on Windows via Path separator manipulation
Details

Minio is a Multi-Cloud Object Storage framework. All users on Windows prior to version RELEASE.2023-03-20T20-16-18Z are impacted. MinIO fails to filter the \ character, which allows for arbitrary object placement across buckets. As a result, a user with low privileges, such as an access key, service account, or STS credential, which only has permission to PutObject in a specific bucket, can create an admin user. This issue is patched in RELEASE.2023-03-20T20-16-18Z. There are no known workarounds.

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{
  "affected": [
    {
      "package": {
        "ecosystem": "Bitnami",
        "name": "minio",
        "purl": "pkg:bitnami/minio"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2023.03.20"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "severity": [
        {
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "type": "CVSS_V3"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2023-28433"
  ],
  "database_specific": {
    "cpes": [
      "cpe:2.3:a:minio:minio:*:*:*:*:*:*:*:*"
    ],
    "severity": "High"
  },
  "details": "Minio is a Multi-Cloud Object Storage framework. All users on Windows prior to version RELEASE.2023-03-20T20-16-18Z are impacted. MinIO fails to filter the `\\` character, which allows for arbitrary object placement across buckets. As a result, a user with low privileges, such as an access key, service account, or STS credential, which only has permission to `PutObject` in a specific bucket, can create an admin user. This issue is patched in RELEASE.2023-03-20T20-16-18Z. There are no known workarounds.",
  "id": "BIT-minio-2023-28433",
  "modified": "2025-05-20T10:02:07.006Z",
  "published": "2024-03-06T10:56:28.094Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/minio/minio/commit/8d6558b23649f613414c8527b58973fbdfa4d1b8"
    },
    {
      "type": "WEB",
      "url": "https://github.com/minio/minio/commit/b3c54ec81e0a06392abfb3a1ffcdc80c6fbf6ebc"
    },
    {
      "type": "WEB",
      "url": "https://github.com/minio/minio/releases/tag/RELEASE.2023-03-20T20-16-18Z"
    },
    {
      "type": "WEB",
      "url": "https://github.com/minio/minio/security/advisories/GHSA-w23q-4hw3-2pp6"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-28433"
    }
  ],
  "schema_version": "1.5.0",
  "summary": "Minio Privilege Escalation on Windows via Path separator manipulation"
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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Detection rules are retrieved from Rulezet.