{
  "id": "CVE-2021-40426",
  "sourceIdentifier": "talos-cna@cisco.com",
  "published": "2022-04-14T20:15:09.110",
  "lastModified": "2024-11-21T06:24:06.650",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A heap-based buffer overflow vulnerability exists in the sphere.c start_read() functionality of Sound Exchange libsox 14.4.2 and master commit 42b3557e. A specially-crafted file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability."
    },
    {
      "lang": "es",
      "value": "Se presenta una vulnerabilidad de desbordamiento de b\u00fafer en la regi\u00f3n heap de la memoria en la funcionalidad sphere.c start_read() de Sound Exchange libsox versi\u00f3n 14.4.2 y el commit maestro 42b3557e. Un archivo especialmente dise\u00f1ado puede conllevar a un desbordamiento del b\u00fafer de la pila. Un atacante puede proporcionar un archivo malicioso para desencadenar esta vulnerabilidad"
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "baseScore": 8.8,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "REQUIRED",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.9
      }
    ],
    "cvssMetricV30": [
      {
        "source": "talos-cna@cisco.com",
        "type": "Secondary",
        "cvssData": {
          "version": "3.0",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
          "baseScore": 10.0,
          "baseSeverity": "CRITICAL",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "CHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 6.0
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "baseScore": 6.8,
          "accessVector": "NETWORK",
          "accessComplexity": "MEDIUM",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "PARTIAL"
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 8.6,
        "impactScore": 6.4,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ]
  },
  "weaknesses": [
    {
      "source": "talos-cna@cisco.com",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-122"
        }
      ]
    },
    {
      "source": "nvd@nist.gov",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:libsox_project:libsox:14.4.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "A94FABE9-F1EA-40D0-B016-9C03C0DBFBA1"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "http://www.openwall.com/lists/oss-security/2023/02/03/3",
      "source": "talos-cna@cisco.com"
    },
    {
      "url": "https://lists.debian.org/debian-lts-announce/2023/02/msg00009.html",
      "source": "talos-cna@cisco.com"
    },
    {
      "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2021-1434",
      "source": "talos-cna@cisco.com",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://www.debian.org/security/2023/dsa-5356",
      "source": "talos-cna@cisco.com"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2023/02/03/3",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://lists.debian.org/debian-lts-announce/2023/02/msg00009.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2021-1434",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://www.debian.org/security/2023/dsa-5356",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ]
}