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CVE-2020-23912

Estado: ModificadaMedia (5.5)—

An issue was discovered in Bento4 through v1.6.0-637. A NULL pointer dereference exists in the function AP4_StszAtom::GetSampleSize() located in Ap4StszAtom.cpp. It allows an attacker to cause Denial of Service.

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)

Axiosys — Bento4

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2020-23912",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "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": 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
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-04-21T18:15:08.207",
  "references": [
    {
      "url": "https://github.com/axiomatic-systems/Bento4/issues/540",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/axiomatic-systems/Bento4/issues/540",
      "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-476"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in Bento4 through v1.6.0-637. A NULL pointer dereference exists in the function AP4_StszAtom::GetSampleSize() located in Ap4StszAtom.cpp. It allows an attacker to cause Denial of Service."
    },
    {
      "lang": "es",
      "value": "Se detectó un problema en Bento4 versiones hasta v1.6.0-637. Se presenta una desreferencia del puntero NULL en la función AP4_StszAtom::GetSampleSize() ubicada en el archivo Ap4StszAtom.cpp. Permite a un atacante causar una Denegación de Servicio"
    }
  ],
  "lastModified": "2026-06-17T03:05:05.163",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:axiosys:bento4:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "9684D8EA-E280-40A0-BB75-E7AFB950B234",
              "versionEndIncluding": "1.6.0-637"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}