Bullfrog's DNS over TCP bypasses domain filtering

{
  "id": "c383d8ea6dc08d25565ea018b028aaaa9e5233fb4c9f9b98de2c2b79c7370416",
  "url": "https://osv.dev/vulnerability/CVE-2025-47775",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Bullfrog's DNS over TCP bypasses domain filtering",
    "summary": "Bullfrog is a GithHb Action to block unauthorized outbound traffic in GitHub workflows. Prior to version 0.8.4, using tcp breaks blocking and allows DNS exfiltration. This can result in sandbox bypass. Version 0.8.4 fixes the issue.",
    "evidence": "osv:CVE-2025-47775",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2025-47775",
      "aliases": [
        "CVE-2025-47775",
        "GHSA-m32f-fjw2-37v3"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/bullfrogsec/bullfrog",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1831f79cce8ad602eef14d2163873f27081ebfb3"
                },
                {
                  "fixed": "ae7744ae4b3a6f8ffc2e49f501e30bf1a43d4671"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:bullfrogsec:bullfrog:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "0.8.4"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "ae7744ae4b3a6f8ffc2e49f501e30bf1a43d4671"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  },
                  {
                    "range": [
                      {
                        "fixed": "1831f79cce8ad602eef14d2163873f27081ebfb3"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "v0.8.4"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v0.8.3",
            "v0.8.2",
            "v0.8.1",
            "v0.8.0",
            "v0.7.0",
            "v0.7",
            "v0.6.2",
            "v0.6",
            "v0.6.1",
            "v0.6.0",
            "v0.5.5",
            "v0.5",
            "v0.5.4",
            "v0.5.3",
            "v0.5.2",
            "v0.5.1",
            "v0.5.0",
            "v0.4.1",
            "v0.4",
            "v0.3"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-47775.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:52.998315090Z",
      "provider": "osv",
      "references": [
        "https://github.com/bullfrogsec/bullfrog/releases/tag/v0.8.4",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/47xxx/CVE-2025-47775.json",
        "https://github.com/bullfrogsec/bullfrog/security/advisories/GHSA-m32f-fjw2-37v3",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-47775",
        "https://github.com/bullfrogsec/bullfrog/commit/ae7744ae4b3a6f8ffc2e49f501e30bf1a43d4671"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-201"
        ],
        "cna_assigner": "GitHub_M",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/47xxx/CVE-2025-47775.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-47775",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 521627,
  "published_at": "2025-05-14T15:18:37.058+00:00"
}