cnvd - cnvd-2022-23460

cnvd-2022-23460

Vulnerability from cnvd

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

Modified

2025-04-23 18:59

Severity ?

7.4 (High) - CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:L

CWE

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

Summary

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

References

▼	URL	Tags
	https://bugzilla.tianocore.org/show_bug.cgi?id=3387	x_refsource_MISC
	https://www.insyde.com/security-pledge/SA-2023024

Impacted products

	Vendor	Product	Version
	TianoCore	EDK II	Version: edk2-stable202208

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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