{
  "id": "CVE-2022-40276",
  "sourceIdentifier": "help@fluidattacks.com",
  "published": "2022-11-03T20:15:31.290",
  "lastModified": "2022-11-05T01:26:12.143",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "Zettlr version 2.3.0 allows an external attacker to remotely obtain arbitrary local files on any client that attempts to view a malicious markdown file through Zettlr. This is possible because the application does not have a CSP policy (or at least not strict enough) and/or does not properly validate the contents of markdown files before rendering them."
    },
    {
      "lang": "es",
      "value": "La versi\u00f3n 2.3.0 de Zettlr permite a un atacante externo obtener de forma remota archivos locales arbitrarios en cualquier cliente que intente ver un archivo de rebajas malicioso a trav\u00e9s de Zettlr. Esto es posible porque la aplicaci\u00f3n no tiene una pol\u00edtica CSP (o al menos no es lo suficientemente estricta) y/o no valida adecuadamente el contenido de los archivos Markdown antes de renderizarlos."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "REQUIRED",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:zettlr:zettlr:2.3.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "916F2F06-64C8-426E-854F-E6035C9C80CF"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://fluidattacks.com/advisories/avicii/",
      "source": "help@fluidattacks.com",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://github.com/Zettlr/Zettlr",
      "source": "help@fluidattacks.com",
      "tags": [
        "Product",
        "Third Party Advisory"
      ]
    }
  ]
}