{
  "id": "CVE-2024-24791",
  "sourceIdentifier": "security@golang.org",
  "published": "2024-07-02T22:15:04.833",
  "lastModified": "2024-07-08T14:17:39.083",
  "vulnStatus": "Awaiting Analysis",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The net/http HTTP/1.1 client mishandled the case where a server responds to a request with an \"Expect: 100-continue\" header with a non-informational (200 or higher) status. This mishandling could leave a client connection in an invalid state, where the next request sent on the connection will fail. An attacker sending a request to a net/http/httputil.ReverseProxy proxy can exploit this mishandling to cause a denial of service by sending \"Expect: 100-continue\" requests which elicit a non-informational response from the backend. Each such request leaves the proxy with an invalid connection, and causes one subsequent request using that connection to fail."
    },
    {
      "lang": "es",
      "value": "El cliente net/http HTTP/1.1 manej\u00f3 mal el caso en el que un servidor responde a una solicitud con un encabezado \"Expect: 100-continue\" con un estado no informativo (200 o superior). Este mal manejo podr\u00eda dejar una conexi\u00f3n de cliente en un estado no v\u00e1lido, donde la siguiente solicitud enviada a la conexi\u00f3n fallar\u00e1. Un atacante que env\u00eda una solicitud a un proxy net/http/httputil.ReverseProxy puede aprovechar este mal manejo para provocar una denegaci\u00f3n de servicio enviando solicitudes \"Esperar: 100-continuar\" que provocan una respuesta no informativa del backend. Cada una de estas solicitudes deja al proxy con una conexi\u00f3n no v\u00e1lida y provoca que falle una solicitud posterior que utiliza esa conexi\u00f3n."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6
      }
    ]
  },
  "references": [
    {
      "url": "https://go.dev/cl/591255",
      "source": "security@golang.org"
    },
    {
      "url": "https://go.dev/issue/67555",
      "source": "security@golang.org"
    },
    {
      "url": "https://groups.google.com/g/golang-dev/c/t0rK-qHBqzY/m/6MMoAZkMAgAJ",
      "source": "security@golang.org"
    },
    {
      "url": "https://pkg.go.dev/vuln/GO-2024-2963",
      "source": "security@golang.org"
    }
  ]
}