nvd-json-data-feeds/CVE-2021/CVE-2021-280xx/CVE-2021-28040.json

{
  "id": "CVE-2021-28040",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2021-03-05T18:15:13.270",
  "lastModified": "2024-11-21T05:59:01.787",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in OSSEC 3.6.0. An uncontrolled recursion vulnerability in os_xml.c occurs when a large number of opening and closing XML tags is used. Because recursion is used in _ReadElem without restriction, an attacker can trigger a segmentation fault once unmapped memory is reached."
    },
    {
      "lang": "es",
      "value": "Se detect\u00f3 un problema en OSSEC versi\u00f3n 3.6.0. Se presenta una vulnerabilidad de recursividad no controlada en el archivo os_xml.c cuando es usada una gran cantidad de etiquetas XML de apertura y cierre. Debido a que una recursividad es usada en _ReadElem sin restricci\u00f3n, un atacante puede desencadenar un fallo de segmentaci\u00f3n una vez que es alcanzada la memoria no asignada"
    }
  ],
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          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH"
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        "exploitabilityScore": 3.9,
        "impactScore": 3.6
      }
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          "authentication": "NONE",
          "confidentialityImpact": "NONE",
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        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 10.0,
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        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
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  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
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        {
          "lang": "en",
          "value": "CWE-674"
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  "references": [
    {
      "url": "https://github.com/ossec/ossec-hids/issues/1953",
      "source": "cve@mitre.org",
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}