RGW DoS attack with empty HTTP header in S3 object copy

{
  "id": "cd9b40e9c192ae20e467fc5ac31e0297446359159437fc5086b32300b4a86583",
  "url": "https://osv.dev/vulnerability/CVE-2024-47866",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "RGW DoS attack with empty HTTP header in S3 object copy",
    "summary": "Ceph is a distributed object, block, and file storage platform. In versions up to and including 19.2.3, using the argument `x-amz-copy-source` to put an object and specifying an empty string as its content leads to the RGW daemon crashing, resulting in a DoS attack. As of time of publication, no known patched versions exist.",
    "evidence": "osv:CVE-2024-47866",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2024-47866",
      "aliases": [
        "BIT-ceph-2024-47866",
        "CVE-2024-47866",
        "GHSA-mgrm-g92q-f8h8"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/ceph/ceph",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "c92aebb279828e9c3c1f5d24613efca272649e62"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "19.2.3"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StringRangeExpression"
                  },
                  {
                    "cpe": "cpe:2.3:a:redhat:ceph:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "19.2.3"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v19.2.3",
            "v19.0.0",
            "v18.0.0",
            "v17.0.0",
            "v16.0.0",
            "v15.0.0",
            "v14.0.0",
            "v13.0.0",
            "v11.0.0",
            "v0.19",
            "v0.18",
            "v0.9",
            "v0.7.3",
            "v0.7.2",
            "v0.7.1",
            "v0.6",
            "v0.5",
            "v0.4",
            "v0.2",
            "v0.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-47866.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:32.644157392Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/47xxx/CVE-2024-47866.json",
        "https://github.com/ceph/ceph/security/advisories/GHSA-mgrm-g92q-f8h8",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-47866"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-20"
        ],
        "cna_assigner": "GitHub_M",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/47xxx/CVE-2024-47866.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2024-47866",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 499465,
  "published_at": "2025-11-12T18:28:18.545+00:00"
}