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CVE-2017-2909

Estado: ModificadaAlta (7.5)—

An infinite loop programming error exists in the DNS server functionality of Cesanta Mongoose 6.8 library. A specially crafted DNS request can cause an infinite loop resulting in high CPU usage and Denial Of Service. An attacker can send a packet over the network to trigger this vulnerability.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Cesanta — Mongoose

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2017-2909",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "NONE"
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        "acInsufInfo": false,
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    "cvssMetricV31": [
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  "affected": [
    {
      "source": "talos-cna@cisco.com",
      "affectedData": [
        {
          "vendor": "Cesanta",
          "product": "Mongoose",
          "versions": [
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              "status": "affected",
              "version": "6.8"
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  "published": "2017-11-07T16:29:00.903",
  "references": [
    {
      "url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0416",
      "tags": [
        "Technical Description",
        "Third Party Advisory"
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      "source": "talos-cna@cisco.com"
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      "url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0416",
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        "Third Party Advisory"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "description": [
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          "value": "CWE-835"
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    },
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      "lang": "es",
      "value": "Existe un error de programación de bucle infinito en la funcionalidad del servidor DNS en la biblioteca Cesanta Mongoose 6.8. Una petición DNS especialmente manipulada puede provocar un bucle infinito, resultando en un gran uso de CPU y una denegación de servicio. Un atacante puede enviar un paquete a través de la red para provocar esta vulnerabilidad."
    }
  ],
  "lastModified": "2026-06-17T01:17:06.927",
  "configurations": [
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          "negate": false,
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}