{
  "schema_version": "1.3.1",
  "id": "GO-2020-0020",
  "modified": "0001-01-01T00:00:00Z",
  "published": "2021-04-14T20:04:52Z",
  "aliases": [
    "CVE-2017-20146",
    "GHSA-jcr6-mmjj-pchw"
  ],
  "summary": "Improper access control in github.com/gorilla/handlers",
  "details": "Usage of the CORS handler may apply improper CORS headers, allowing the requester to explicitly control the value of the Access-Control-Allow-Origin header, which bypasses the expected behavior of the Same Origin Policy.",
  "affected": [
    {
      "package": {
        "name": "github.com/gorilla/handlers",
        "ecosystem": "Go"
      },
      "ranges": [
        {
          "type": "SEMVER",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.3.0"
            }
          ]
        }
      ],
      "ecosystem_specific": {
        "imports": [
          {
            "path": "github.com/gorilla/handlers",
            "symbols": [
              "cors.ServeHTTP"
            ]
          }
        ]
      }
    }
  ],
  "references": [
    {
      "type": "FIX",
      "url": "https://github.com/gorilla/handlers/pull/116"
    },
    {
      "type": "FIX",
      "url": "https://github.com/gorilla/handlers/commit/90663712d74cb411cbef281bc1e08c19d1a76145"
    }
  ],
  "credits": [
    {
      "name": "Evan J Johnson"
    }
  ],
  "database_specific": {
    "url": "https://pkg.go.dev/vuln/GO-2020-0020"
  }
}