FKIE_CVE-2021-34387

Vulnerability from fkie_nvd - Published: 2021-06-21 22:15 - Updated: 2024-11-21 06:10
Severity ?
6.3 (Medium) - CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H
6.7 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Summary
The ARM TrustZone Technology on which Trusty is based on contains a vulnerability in access permission settings where the portion of the DRAM reserved for TrustZone is identity-mapped by TLK with read, write, and execute permissions, which gives write access to kernel code and data that is otherwise mapped read only.
References
psirt@nvidia.comhttps://nvidia.custhelp.com/app/answers/detail/a_id/5205Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://nvidia.custhelp.com/app/answers/detail/a_id/5205Vendor Advisory
Impacted products
Vendor Product Version
nvidia jetson_linux *
nvidia jetson_tx1 -
To clipboard 

{
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              "criteria": "cpe:2.3:o:nvidia:jetson_linux:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "E8941F71-0292-414E-AEA5-DD55EA3C2009",
              "versionEndExcluding": "32.5.1",
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            }
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The ARM TrustZone Technology on which Trusty is based on contains a vulnerability in access permission settings where the portion of the DRAM reserved for TrustZone is identity-mapped by TLK with read, write, and execute permissions, which gives write access to kernel code and data that is otherwise mapped read only."
    },
    {
      "lang": "es",
      "value": "La ARM TrustZone Technology en la que se basa Trusty contiene una vulnerabilidad en la configuraci\u00f3n de los permisos de acceso en la que la porci\u00f3n de la DRAM reservada para TrustZone es mapeada por TLK con permisos de lectura, escritura y ejecuci\u00f3n, lo que da acceso de escritura al c\u00f3digo y a los datos del kernel que, de otro modo, son mapeados s\u00f3lo de lectura"
    }
  ],
  "id": "CVE-2021-34387",
  "lastModified": "2024-11-21T06:10:17.500",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 7.2,
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "COMPLETE",
          "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
          "version": "2.0"
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        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
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        "type": "Primary",
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          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H",
          "version": "3.1"
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        "impactScore": 5.9,
        "source": "psirt@nvidia.com",
        "type": "Secondary"
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          "confidentialityImpact": "HIGH",
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          "scope": "UNCHANGED",
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  "published": "2021-06-21T22:15:07.673",
  "references": [
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      "tags": [
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    },
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "description": [
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          "lang": "en",
          "value": "CWE-276"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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