fkie_cve-2020-24455
Vulnerability from fkie_nvd
Published
2021-02-26 03:15
Modified
2024-11-21 05:14
Summary
Missing initialization of a variable in the TPM2 source may allow a privileged user to potentially enable an escalation of privilege via local access. This affects tpm2-tss before 3.0.1 and before 2.4.3.



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              "criteria": "cpe:2.3:a:tpm2_software_stack_project:tpm2_software_stack:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "D8AAC7D7-B4CB-44F3-80E4-BF25738A1BE7",
              "versionEndExcluding": "2.4.3",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:tpm2_software_stack_project:tpm2_software_stack:*:*:*:*:*:*:*:*",
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              "versionEndExcluding": "3.0.1",
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          "negate": false,
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Missing initialization of a variable in the TPM2 source may allow a privileged user to potentially enable an escalation of privilege via local access. This affects tpm2-tss before 3.0.1 and before 2.4.3."
    },
    {
      "lang": "es",
      "value": "Una falta de inicializaci\u00f3n de una variable en la fuente de TPM2 puede permitir a un usuario privilegiado habilitar potencialmente una escalada de privilegios por medio del acceso local.\u0026#xa0;Esto afecta a tpm2-tss versiones anteriores a 3.0.1 y versiones anteriores a 2.4.3"
    }
  ],
  "id": "CVE-2020-24455",
  "lastModified": "2024-11-21T05:14:51.427",
  "metrics": {
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        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.6,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
          "version": "2.0"
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        "exploitabilityScore": 3.9,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
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          "attackVector": "LOCAL",
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          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
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        "impactScore": 5.9,
        "source": "nvd@nist.gov",
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  "published": "2021-02-26T03:15:12.213",
  "references": [
    {
      "source": "secure@intel.com",
      "tags": [
        "Issue Tracking",
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1902167"
    },
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      "tags": [
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      ],
      "url": "https://github.com/tpm2-software/tpm2-tss/releases/tag/2.4.3"
    },
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      "url": "https://github.com/tpm2-software/tpm2-tss/releases/tag/3.0.1"
    },
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      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7KPOENCMJU4DMT3BDNUBRK25B3DJ47UO/"
    },
    {
      "source": "secure@intel.com",
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      "url": "https://github.com/tpm2-software/tpm2-tss/releases/tag/2.4.3"
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      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7KPOENCMJU4DMT3BDNUBRK25B3DJ47UO/"
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      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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    }
  ],
  "sourceIdentifier": "secure@intel.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-909"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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