{
  "schema_version": "1.3.1",
  "id": "GO-2023-1878",
  "modified": "0001-01-01T00:00:00Z",
  "published": "0001-01-01T00:00:00Z",
  "aliases": [
    "CVE-2023-29406"
  ],
  "summary": "Insufficient sanitization of Host header in net/http",
  "details": "The HTTP/1 client does not fully validate the contents of the Host header. A maliciously crafted Host header can inject additional headers or entire requests.\n\nWith fix, the HTTP/1 client now refuses to send requests containing an invalid Request.Host or Request.URL.Host value.",
  "affected": [
    {
      "package": {
        "name": "stdlib",
        "ecosystem": "Go"
      },
      "ranges": [
        {
          "type": "SEMVER",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.19.11"
            },
            {
              "introduced": "1.20.0-0"
            },
            {
              "fixed": "1.20.6"
            }
          ]
        }
      ],
      "ecosystem_specific": {
        "imports": [
          {
            "path": "net/http",
            "symbols": [
              "Client.CloseIdleConnections",
              "Client.Do",
              "Client.Get",
              "Client.Head",
              "Client.Post",
              "Client.PostForm",
              "Get",
              "Head",
              "Post",
              "PostForm",
              "Request.Write",
              "Request.WriteProxy",
              "Request.write",
              "Transport.CancelRequest",
              "Transport.CloseIdleConnections",
              "Transport.RoundTrip"
            ]
          }
        ]
      }
    }
  ],
  "references": [
    {
      "type": "REPORT",
      "url": "https://go.dev/issue/60374"
    },
    {
      "type": "FIX",
      "url": "https://go.dev/cl/506996"
    },
    {
      "type": "WEB",
      "url": "https://groups.google.com/g/golang-announce/c/2q13H6LEEx0"
    }
  ],
  "credits": [
    {
      "name": "Bartek Nowotarski"
    }
  ],
  "database_specific": {
    "url": "https://pkg.go.dev/vuln/GO-2023-1878"
  }
}