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CVE-2023-47163

Estado: ModificadaAlta (7.5)—

Remarshal anterior a v0.17.1 expande los nodos de alias YAML de forma ilimitada, por lo que Remarshal es vulnerable a Billion Laughs Attack. El procesamiento de archivos YAML que no son de confianza puede provocar una condición de denegación de servicio (DoS).

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)

Remarshal Project — Remarshal

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2023-47163",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-47163",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-01-08T21:34:46.749029Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "vultures@jpcert.or.jp",
      "affectedData": [
        {
          "vendor": "Remarshal-project",
          "product": "Remarshal",
          "versions": [
            {
              "status": "affected",
              "version": "prior to v0.17.1"
            }
          ]
        }
      ]
    }
  ],
  "published": "2023-11-13T03:15:09.743",
  "references": [
    {
      "url": "https://github.com/remarshal-project/remarshal/commit/fd6ac799a02f533c3fc243b49cdd6d21aa7ee494",
      "tags": [
        "Patch"
      ],
      "source": "vultures@jpcert.or.jp"
    },
    {
      "url": "https://github.com/remarshal-project/remarshal/releases/tag/v0.17.1",
      "tags": [
        "Release Notes"
      ],
      "source": "vultures@jpcert.or.jp"
    },
    {
      "url": "https://jvn.jp/en/jp/JVN86156389/",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "vultures@jpcert.or.jp"
    },
    {
      "url": "https://github.com/remarshal-project/remarshal/commit/fd6ac799a02f533c3fc243b49cdd6d21aa7ee494",
      "tags": [
        "Patch"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/remarshal-project/remarshal/releases/tag/v0.17.1",
      "tags": [
        "Release Notes"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://jvn.jp/en/jp/JVN86156389/",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-674"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Remarshal prior to v0.17.1 expands YAML alias nodes unlimitedly, hence Remarshal is vulnerable to Billion Laughs Attack. Processing untrusted YAML files may cause a denial-of-service (DoS) condition."
    },
    {
      "lang": "es",
      "value": "Remarshal anterior a v0.17.1 expande los nodos de alias YAML de forma ilimitada, por lo que Remarshal es vulnerable a Billion Laughs Attack. El procesamiento de archivos YAML que no son de confianza puede provocar una condición de denegación de servicio (DoS)."
    }
  ],
  "lastModified": "2026-06-17T06:32:15.880",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:remarshal_project:remarshal:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A664F861-2169-4499-94F0-F80C46FCD477",
              "versionEndExcluding": "0.17.1"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "vultures@jpcert.or.jp"
}