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CVE-2023-34436

Estado: ModificadaAlta (7.8)—

An out-of-bounds write vulnerability exists in the LXT2 num_time_table_entries functionality of GTKWave 3.3.115. A specially crafted .lxt2 file can lead to arbitrary code execution. A victim would need to open a malicious file 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)

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2023-34436",
  "cveTags": [],
  "metrics": {
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          "id": "CVE-2023-34436",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-01-08T19:12:57.428097Z"
        }
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    ],
    "cvssMetricV31": [
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        "type": "Secondary",
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        "cvssData": {
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "talos-cna@cisco.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
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    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
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          "value": "CWE-787"
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  "descriptions": [
    {
      "lang": "en",
      "value": "An out-of-bounds write vulnerability exists in the LXT2 num_time_table_entries functionality of GTKWave 3.3.115. A specially crafted .lxt2 file can lead to arbitrary code execution. A victim would need to open a malicious file to trigger this vulnerability."
    },
    {
      "lang": "es",
      "value": "Existe una vulnerabilidad de escritura fuera de los límites en la funcionalidad LXT2 num_time_table_entries de GTKWave 3.3.115. Un archivo .lxt2 especialmente manipulado puede provocar la ejecución de código arbitrario. Una víctima necesitaría abrir un archivo malicioso para activar esta vulnerabilidad."
    }
  ],
  "lastModified": "2026-06-17T06:03:38.800",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "criteria": "cpe:2.3:a:tonybybell:gtkwave:3.3.115:*:*:*:*:*:*:*",
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  "sourceIdentifier": "talos-cna@cisco.com"
}