gsd-2021-38576
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
A BIOS bug in firmware for a particular PC model leaves the Platform authorization value empty. This can be used to permanently brick the TPM in multiple ways, as well as to non-permanently DoS the system.
Aliases
Aliases
CVE-2021-38576


To clipboard 

{
  "GSD": {
    "alias": "CVE-2021-38576",
    "description": "A BIOS bug in firmware for a particular PC model leaves the Platform authorization value empty. This can be used to permanently brick the TPM in multiple ways, as well as to non-permanently DoS the system.",
    "id": "GSD-2021-38576"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-38576"
      ],
      "details": "A BIOS bug in firmware for a particular PC model leaves the Platform authorization value empty. This can be used to permanently brick the TPM in multiple ways, as well as to non-permanently DoS the system.",
      "id": "GSD-2021-38576",
      "modified": "2023-12-13T01:23:17.592817Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "infosec@edk2.groups.io",
        "ID": "CVE-2021-38576",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "EDK II",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "edk2-stable202105, edk2-stable202102, edk2-stable202011, edk2-stable202008, edk2-stable202005, edk2-stable202002, edk2-stable201911, edk2-stable201908, edk2-stable201905, edk2-stable201903, edk2-stable201811, edk2-stable201808"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "n/a"
            }
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        }
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      "description": {
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          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "Security Feature Bypass"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://bugzilla.tianocore.org/show_bug.cgi?id=3499",
            "refsource": "MISC",
            "url": "https://bugzilla.tianocore.org/show_bug.cgi?id=3499"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
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        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:tianocore:edk2:201808:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:tianocore:edk2:201811:*:*:*:*:*:*:*",
                "cpe_name": [],
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              {
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                "cpe_name": [],
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                "cpe23Uri": "cpe:2.3:a:tianocore:edk2:202002:*:*:*:*:*:*:*",
                "cpe_name": [],
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                "cpe_name": [],
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              {
                "cpe23Uri": "cpe:2.3:a:tianocore:edk2:202105:*:*:*:*:*:*:*",
                "cpe_name": [],
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            "operator": "OR"
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      },
      "cve": {
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          "ASSIGNER": "infosec@edk2.groups.io",
          "ID": "CVE-2021-38576"
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        "data_type": "CVE",
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        "description": {
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              "value": "A BIOS bug in firmware for a particular PC model leaves the Platform authorization value empty. This can be used to permanently brick the TPM in multiple ways, as well as to non-permanently DoS the system."
            }
          ]
        },
        "problemtype": {
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            {
              "name": "https://bugzilla.tianocore.org/show_bug.cgi?id=3499",
              "refsource": "MISC",
              "tags": [
                "Issue Tracking",
                "Permissions Required",
                "Third Party Advisory"
              ],
              "url": "https://bugzilla.tianocore.org/show_bug.cgi?id=3499"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "COMPLETE",
            "baseScore": 7.8,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 6.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "HIGH",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2022-01-13T16:21Z",
      "publishedDate": "2022-01-03T22:15Z"
    }
  }
}


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