cnvd - cnvd-2021-92452

cnvd-2021-92452

Vulnerability from cnvd

Title: Dell BIOS输入验证错误漏洞（CNVD-2021-92452）

Description:

Dell Bios是美国戴尔（Dell）公司的一个计算机主板上小型内存芯片上的嵌入式软件。

Dell BIOS存在输入验证错误漏洞，该漏洞源于戴尔BIOS包含一个错误的输入验证漏洞。攻击者可利用该漏洞使用SMI在SMRAM中获得任意代码执行。

Severity: 高

Patch Name: Dell BIOS输入验证错误漏洞（CNVD-2021-92452）的补丁

Patch Description:

Dell Bios是美国戴尔（Dell）公司的一个计算机主板上小型内存芯片上的嵌入式软件。

Dell BIOS存在输入验证错误漏洞，该漏洞源于戴尔BIOS包含一个错误的输入验证漏洞。攻击者可利用该漏洞使用SMI在SMRAM中获得任意代码执行。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:

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://www.dell.com/support/kbdoc/en-us/000192967

Reference: https://nvd.nist.gov/vuln/detail/CVE-2021-36324

Impacted products

Name
Dell BIOS

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-36324"
    }
  },
  "description": "Dell Bios\u662f\u7f8e\u56fd\u6234\u5c14\uff08Dell\uff09\u516c\u53f8\u7684\u4e00\u4e2a\u8ba1\u7b97\u673a\u4e3b\u677f\u4e0a\u5c0f\u578b\u5185\u5b58\u82af\u7247\u4e0a\u7684\u5d4c\u5165\u5f0f\u8f6f\u4ef6\u3002\n\nDell BIOS\u5b58\u5728\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u6234\u5c14BIOS\u5305\u542b\u4e00\u4e2a\u9519\u8bef\u7684\u8f93\u5165\u9a8c\u8bc1\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u4f7f\u7528SMI\u5728SMRAM\u4e2d\u83b7\u5f97\u4efb\u610f\u4ee3\u7801\u6267\u884c\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://www.dell.com/support/kbdoc/en-us/000192967",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-92452",
  "openTime": "2021-11-30",
  "patchDescription": "Dell Bios\u662f\u7f8e\u56fd\u6234\u5c14\uff08Dell\uff09\u516c\u53f8\u7684\u4e00\u4e2a\u8ba1\u7b97\u673a\u4e3b\u677f\u4e0a\u5c0f\u578b\u5185\u5b58\u82af\u7247\u4e0a\u7684\u5d4c\u5165\u5f0f\u8f6f\u4ef6\u3002\r\n\r\nDell BIOS\u5b58\u5728\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u6234\u5c14BIOS\u5305\u542b\u4e00\u4e2a\u9519\u8bef\u7684\u8f93\u5165\u9a8c\u8bc1\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u4f7f\u7528SMI\u5728SMRAM\u4e2d\u83b7\u5f97\u4efb\u610f\u4ee3\u7801\u6267\u884c\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": "Dell BIOS\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e\uff08CNVD-2021-92452\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Dell BIOS"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-36324",
  "serverity": "\u9ad8",
  "submitTime": "2021-11-16",
  "title": "Dell BIOS\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e\uff08CNVD-2021-92452\uff09"
}

CVE-2021-36324 (GCVE-0-2021-36324)

Vulnerability from cvelistv5

Published

2021-11-12 22:15

Modified

2024-09-16 18:13

Severity ?

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

CWE

CWE-20 - Improper Input Validation

Summary

Dell BIOS contains an improper input validation vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI to gain arbitrary code execution in SMRAM.

References

▼	URL	Tags
	https://www.dell.com/support/kbdoc/en-us/000192967	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	Dell	CPG BIOS	Version: unspecified < 1.13.0

Show details on NVD website

JSON

To clipboard

{
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            ],
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        ],
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            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
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            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H",
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          "url": "https://www.dell.com/support/kbdoc/en-us/000192967"
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      "x_legacyV4Record": {
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        "affects": {
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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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