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CVE-2021-3569

Estado: ModificadaMedia (5.5)—

A stack corruption bug was found in libtpms in versions before 0.7.2 and before 0.8.0 while decrypting data using RSA. This flaw could result in a SIGBUS (bad memory access) and termination of swtpm. The highest threat from this vulnerability is to system availability.

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 (2)

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2021-3569",
  "cveTags": [],
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        "type": "Primary",
        "source": "nvd@nist.gov",
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          "baseScore": 2.1,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
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        "obtainAllPrivilege": false,
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  "affected": [
    {
      "source": "secalert@redhat.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "libtpms",
          "versions": [
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              "status": "affected",
              "version": "libtpms 0.7.2, libtpms 0.8.0"
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  "published": "2021-06-03T12:15:07.827",
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        "Third Party Advisory"
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      "value": "A stack corruption bug was found in libtpms in versions before 0.7.2 and before 0.8.0 while decrypting data using RSA. This flaw could result in a SIGBUS (bad memory access) and termination of swtpm. The highest threat from this vulnerability is to system availability."
    },
    {
      "lang": "es",
      "value": "Se ha encontrado un bug de corrupción de pila en libtpms en versiones anteriores a 0.7.2 y versiones anteriores a 0.8.0 al descifrar datos usando RSA. Este fallo podría resultar en un SIGBUS (acceso de memoria incorrecto) y la terminación de swtpm. La mayor amenaza de esta vulnerabilidad es la disponibilidad del sistema"
    }
  ],
  "lastModified": "2026-06-17T04:05:21.577",
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