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CVE-2021-31254

Estado: ModificadaAlta (7.8)—

Un desbordamiento de búfer en la función tenc_box_read en MP4Box en GPAC versión 1.0.1, permite a atacantes causar una denegación de servicio o ejecutar código arbitrario por medio de un archivo diseñado, relacionado tamaños IV no válidos

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)

Gpac — Gpac

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-31254",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.8,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-04-19T19:15:18.077",
  "references": [
    {
      "url": "https://github.com/gpac/gpac/commit/8986422c21fbd9a7bf6561cae65aae42077447e8",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
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      "url": "https://github.com/gpac/gpac/issues/1703",
      "tags": [
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        "Third Party Advisory"
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    },
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      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/gpac/gpac/issues/1703",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Buffer overflow in the tenc_box_read function in MP4Box in GPAC 1.0.1 allows attackers to cause a denial of service or execute arbitrary code via a crafted file, related invalid IV sizes."
    },
    {
      "lang": "es",
      "value": "Un desbordamiento de búfer en la función tenc_box_read en MP4Box en GPAC versión 1.0.1, permite a atacantes causar una denegación de servicio o ejecutar código arbitrario por medio de un archivo diseñado, relacionado tamaños IV no válidos"
    }
  ],
  "lastModified": "2026-06-17T03:51:30.660",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:gpac:gpac:1.0.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "82DD2D40-0A05-48FD-940D-32B4D8B51AB3"
            }
          ],
          "operator": "OR"
        }
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  "sourceIdentifier": "cve@mitre.org"
}