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CVE-2022-39837

Estado: ModificadaMedia (5.5)—

An issue was discovered in Connected Vehicle Systems Alliance (COVESA) dlt-daemon through 2.18.8. Due to a faulty DLT file parser, a crafted DLT file that crashes the process can be created. This is due to missing validation checks. There is a NULL pointer dereference,

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)

Genivi — Diagnostic LOG AND Trace

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2022-39837",
  "cveTags": [],
  "metrics": {
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2022-39837",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-05-07T14:19:31.733106Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.5,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.8
      },
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        "type": "Secondary",
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          "integrityImpact": "NONE",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
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        "exploitabilityScore": 1.8
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  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
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          "vendor": "n/a",
          "product": "n/a",
          "versions": [
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              "version": "n/a"
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  "published": "2022-10-25T17:15:56.720",
  "references": [
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      "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00021.html",
      "source": "cve@mitre.org"
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        "Mailing List",
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        "Third Party Advisory"
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      "source": "cve@mitre.org"
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      "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00021.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
      "url": "https://sec-consult.com/vulnerability-lab/advisory/multiple-memory-corruption-vulnerabilities-in-covesa-dlt-daemon/",
      "tags": [
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      "tags": [
        "Exploit",
        "Mailing List",
        "Patch",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ]
    },
    {
      "type": "Secondary",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "description": [
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in Connected Vehicle Systems Alliance (COVESA) dlt-daemon through 2.18.8. Due to a faulty DLT file parser, a crafted DLT file that crashes the process can be created. This is due to missing validation checks. There is a NULL pointer dereference,"
    },
    {
      "lang": "es",
      "value": "Se ha detectado un problema en Connected Vehicle Systems Alliance (COVESA) dlt-daemon versiones hasta 2.18.8. Debido a un analizador de archivos DLT defectuoso, puede crearse un archivo DLT diseñado que bloquea el proceso. Esto es debido a una falta de chequeo de comprobación. Se presenta una desreferencia de puntero NULL"
    }
  ],
  "lastModified": "2026-06-17T04:58:24.420",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "criteria": "cpe:2.3:a:genivi:diagnostic_log_and_trace:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "55057821-6BB2-489B-8112-FF8FA83C1511",
              "versionEndIncluding": "2.18.8"
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          "operator": "OR"
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  ],
  "sourceIdentifier": "cve@mitre.org"
}