Vulnerability-Lookup

CNVD-2022-23460

Vulnerability from cnvd - Published: 2022-03-29

Title

Tianocore Edk2缓冲区溢出漏洞

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 Edk2存在缓冲区溢出漏洞，该漏洞源于在计算BufferSize时，SmmEntryPoint中的现有CommBuffer检查未捕获下溢。目前没有详细漏洞细节提供。

Severity

高

Patch Name

Tianocore Edk2缓冲区溢出漏洞的补丁

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 Edk2存在缓冲区溢出漏洞，该漏洞源于在计算BufferSize时，SmmEntryPoint中的现有CommBuffer检查未捕获下溢。目前没有详细漏洞细节提供。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=3387

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-38578

Impacted products

Name
tianocore EDK2

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-38578"
    }
  },
  "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 Edk2\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5728\u8ba1\u7b97BufferSize\u65f6\uff0cSmmEntryPoint\u4e2d\u7684\u73b0\u6709CommBuffer\u68c0\u67e5\u672a\u6355\u83b7\u4e0b\u6ea2\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\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=3387",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-23460",
  "openTime": "2022-03-29",
  "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 Edk2\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5728\u8ba1\u7b97BufferSize\u65f6\uff0cSmmEntryPoint\u4e2d\u7684\u73b0\u6709CommBuffer\u68c0\u67e5\u672a\u6355\u83b7\u4e0b\u6ea2\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\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 Edk2\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "tianocore EDK2"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-38578",
  "serverity": "\u9ad8",
  "submitTime": "2022-03-04",
  "title": "Tianocore Edk2\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2021-38578 (GCVE-0-2021-38578)

Vulnerability from cvelistv5 – Published: 2022-03-03 21:53 – Updated: 2025-11-03 19:26

Summary

Existing CommBuffer checks in SmmEntryPoint will not catch underflow when computing BufferSize.

Severity

7.4 (High)


                        
                          CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:L

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-04-23 13:13 UTC

CWE

CWE-124 - A case of CWE-124 is occurring in PiSmmCore.

Assigner

TianoCore mitre root

References

3 references

URL	Tags
https://bugzilla.tianocore.org/show_bug.cgi?id=3387	x_refsource_MISC
https://www.insyde.com/security-pledge/SA-2023024
https://lists.debian.org/debian-lts-announce/2025…

Impacted products

1 product

Vendor	Product	Version
TianoCore	EDK II	Affected: edk2-stable202208

Show details on NVD website

JSON

To clipboard

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  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2025-11-03T19:26:15.934Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        "references": [
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            "tags": [
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              "x_transferred"
            ],
            "url": "https://bugzilla.tianocore.org/show_bug.cgi?id=3387"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.insyde.com/security-pledge/SA-2023024"
          },
          {
            "url": "https://lists.debian.org/debian-lts-announce/2025/06/msg00007.html"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2021-38578",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-04-23T13:13:33.412696Z",
                "version": "2.0.3"
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        ],
        "providerMetadata": {
          "dateUpdated": "2025-04-23T18:59:05.792Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "EDK II",
          "vendor": "TianoCore",
          "versions": [
            {
              "status": "affected",
              "version": "edk2-stable202208"
            }
          ]
        }
      ],
      "descriptions": [
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              "base64": false,
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            }
          ],
          "value": "Existing CommBuffer checks in SmmEntryPoint will not catch underflow when computing BufferSize."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "LOW",
            "baseScore": 7.4,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "CHANGED",
            "userInteraction": "NONE",
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            "version": "3.1"
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          "scenarios": [
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              "lang": "en",
              "value": "GENERAL"
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      "problemTypes": [
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      "providerMetadata": {
        "dateUpdated": "2024-08-06T00:55:57.322Z",
        "orgId": "65518388-201a-4f93-8712-366d21fe8d2c",
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      "references": [
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          "tags": [
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        },
        {
          "url": "https://www.insyde.com/security-pledge/SA-2023024"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "x_generator": {
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  },
  "cveMetadata": {
    "assignerOrgId": "65518388-201a-4f93-8712-366d21fe8d2c",
    "assignerShortName": "TianoCore",
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    "datePublished": "2022-03-03T21:53:37.000Z",
    "dateReserved": "2021-08-11T00:00:00.000Z",
    "dateUpdated": "2025-11-03T19:26:15.934Z",
    "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.

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CNVD-2022-23460

CVE-2021-38578 (GCVE-0-2021-38578)

Tags

Sightings

Nomenclature

Related by attack behaviour