Vulnerability-Lookup

CNVD-2022-11500

Vulnerability from cnvd - Published: 2022-02-18

Title

Tianocore EDK II存在未明漏洞

Description

Tianocore Edk2是Tianocore社区的一个遵循UEFI和PI规范的跨平台固件开发环境。 Tianocore EDK II存在安全漏洞，攻击者可利用该漏洞以多种方式永久地阻止TPM，以及非永久地DoS系统。

Severity

高

Patch Name

Tianocore EDK II存在未明漏洞的补丁

Patch Description

Tianocore Edk2是Tianocore社区的一个遵循UEFI和PI规范的跨平台固件开发环境。 Tianocore EDK II存在安全漏洞，攻击者可利用该漏洞以多种方式永久地阻止TPM，以及非永久地DoS系统。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://bugzilla.tianocore.org/show_bug.cgi?id=3499

Reference

https://bugzilla.tianocore.org/show_bug.cgi?id=3499

Impacted products

Name
tianocore EDK II

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-38576"
    }
  },
  "description": "Tianocore Edk2\u662fTianocore\u793e\u533a\u7684\u4e00\u4e2a\u9075\u5faaUEFI\u548cPI\u89c4\u8303\u7684\u8de8\u5e73\u53f0\u56fa\u4ef6\u5f00\u53d1\u73af\u5883\u3002\n\nTianocore EDK II\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u4ee5\u591a\u79cd\u65b9\u5f0f\u6c38\u4e45\u5730\u963b\u6b62TPM\uff0c\u4ee5\u53ca\u975e\u6c38\u4e45\u5730DoS\u7cfb\u7edf\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://bugzilla.tianocore.org/show_bug.cgi?id=3499",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-11500",
  "openTime": "2022-02-18",
  "patchDescription": "Tianocore Edk2\u662fTianocore\u793e\u533a\u7684\u4e00\u4e2a\u9075\u5faaUEFI\u548cPI\u89c4\u8303\u7684\u8de8\u5e73\u53f0\u56fa\u4ef6\u5f00\u53d1\u73af\u5883\u3002\r\n\r\nTianocore EDK II\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u4ee5\u591a\u79cd\u65b9\u5f0f\u6c38\u4e45\u5730\u963b\u6b62TPM\uff0c\u4ee5\u53ca\u975e\u6c38\u4e45\u5730DoS\u7cfb\u7edf\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Tianocore EDK II\u5b58\u5728\u672a\u660e\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "tianocore EDK II"
  },
  "referenceLink": "https://bugzilla.tianocore.org/show_bug.cgi?id=3499",
  "serverity": "\u9ad8",
  "submitTime": "2022-01-05",
  "title": "Tianocore EDK II\u5b58\u5728\u672a\u660e\u6f0f\u6d1e"
}

CVE-2021-38576 (GCVE-0-2021-38576)

Vulnerability from cvelistv5 – Published: 2022-01-03 21:07 – Updated: 2025-11-03 19:26

Summary

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.

Severity

No CVSS data available.

CWE

Security Feature Bypass

Assigner

TianoCore mitre root

References

2 references

URL	Tags
https://bugzilla.tianocore.org/show_bug.cgi?id=3499	x_refsource_MISC
https://lists.debian.org/debian-lts-announce/2025…

Impacted products

1 product

Vendor	Product	Version
n/a	EDK II	Affected: edk2-stable202105, edk2-stable202102, edk2-stable202011, edk2-stable202008, edk2-stable202005, edk2-stable202002, edk2-stable201911, edk2-stable201908, edk2-stable201905, edk2-stable201903, edk2-stable201811, edk2-stable201808

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2025-11-03T19:26:14.574Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://bugzilla.tianocore.org/show_bug.cgi?id=3499"
          },
          {
            "url": "https://lists.debian.org/debian-lts-announce/2025/06/msg00007.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "EDK II",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "edk2-stable202105, edk2-stable202102, edk2-stable202011, edk2-stable202008, edk2-stable202005, edk2-stable202002, edk2-stable201911, edk2-stable201908, edk2-stable201905, edk2-stable201903, edk2-stable201811, edk2-stable201808"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "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."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Security Feature Bypass",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-01-03T21:07:45.000Z",
        "orgId": "65518388-201a-4f93-8712-366d21fe8d2c",
        "shortName": "TianoCore"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://bugzilla.tianocore.org/show_bug.cgi?id=3499"
        }
      ],
      "x_legacyV4Record": {
        "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"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "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": {
          "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"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "65518388-201a-4f93-8712-366d21fe8d2c",
    "assignerShortName": "TianoCore",
    "cveId": "CVE-2021-38576",
    "datePublished": "2022-01-03T21:07:45.000Z",
    "dateReserved": "2021-08-11T00:00:00.000Z",
    "dateUpdated": "2025-11-03T19:26:14.574Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CNVD-2022-11500

CVE-2021-38576 (GCVE-0-2021-38576)

Tags

Sightings

Nomenclature

Related by attack behaviour