cnvd - cnvd-2022-08196

CNVD-2022-08196

Vulnerability from cnvd - Published: 2022-02-01

Title

Dell BIOS缓冲区溢出漏洞

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存在安全漏洞，该漏洞源于软件存在错误的输入验证。本地经过身份验证的攻击者可能利用该漏洞通过使用SMI来获取SMRAM中的任意代码执行，从而潜在地利用这个漏洞。

Severity

中

Patch Name

Dell BIOS缓冲区溢出漏洞的补丁

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存在安全漏洞，该漏洞源于软件存在错误的输入验证。本地经过身份验证的攻击者可能利用该漏洞通过使用SMI来获取SMRAM中的任意代码执行，从而潜在地利用这个漏洞。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/000193321/dsa-2021-240

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-36343

Impacted products

Name
Dell BIOS

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-36343"
    }
  },
  "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\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u8f6f\u4ef6\u5b58\u5728\u9519\u8bef\u7684\u8f93\u5165\u9a8c\u8bc1\u3002\u672c\u5730\u7ecf\u8fc7\u8eab\u4efd\u9a8c\u8bc1\u7684\u653b\u51fb\u8005\u53ef\u80fd\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u4f7f\u7528SMI\u6765\u83b7\u53d6SMRAM\u4e2d\u7684\u4efb\u610f\u4ee3\u7801\u6267\u884c\uff0c\u4ece\u800c\u6f5c\u5728\u5730\u5229\u7528\u8fd9\u4e2a\u6f0f\u6d1e\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/000193321/dsa-2021-240",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-08196",
  "openTime": "2022-02-01",
  "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\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u8f6f\u4ef6\u5b58\u5728\u9519\u8bef\u7684\u8f93\u5165\u9a8c\u8bc1\u3002\u672c\u5730\u7ecf\u8fc7\u8eab\u4efd\u9a8c\u8bc1\u7684\u653b\u51fb\u8005\u53ef\u80fd\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u4f7f\u7528SMI\u6765\u83b7\u53d6SMRAM\u4e2d\u7684\u4efb\u610f\u4ee3\u7801\u6267\u884c\uff0c\u4ece\u800c\u6f5c\u5728\u5730\u5229\u7528\u8fd9\u4e2a\u6f0f\u6d1e\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\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Dell BIOS"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-36343",
  "serverity": "\u4e2d",
  "submitTime": "2022-01-26",
  "title": "Dell BIOS\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2021-36343 (GCVE-0-2021-36343)

Vulnerability from cvelistv5 – Published: 2022-01-24 20:10 – Updated: 2024-09-16 16:44

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.

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-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer

Assigner

dell

References

URL

Tags

https://www.dell.com/support/kbdoc/en-us/00019332…

x_refsource_MISC

Impacted products

	Vendor	Product	Version
	Dell	CPG BIOS	Affected: unspecified , < 1.14 (custom)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T00:54:51.454Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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              "x_transferred"
            ],
            "url": "https://www.dell.com/support/kbdoc/en-us/000193321/dsa-2021-240"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
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        {
          "product": "CPG BIOS",
          "vendor": "Dell",
          "versions": [
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              "lessThan": "1.14",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "datePublic": "2021-01-12T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "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."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "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",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
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          "descriptions": [
            {
              "cweId": "CWE-119",
              "description": "CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer",
              "lang": "en",
              "type": "CWE"
            }
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      ],
      "providerMetadata": {
        "dateUpdated": "2022-01-24T20:10:19",
        "orgId": "c550e75a-17ff-4988-97f0-544cde3820fe",
        "shortName": "dell"
      },
      "references": [
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          ],
          "url": "https://www.dell.com/support/kbdoc/en-us/000193321/dsa-2021-240"
        }
      ],
      "x_legacyV4Record": {
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          "ASSIGNER": "secure@dell.com",
          "DATE_PUBLIC": "2021-01-12",
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        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "CPG BIOS",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_value": "1.14"
                          }
                        ]
                      }
                    }
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                },
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              }
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    }
  },
  "cveMetadata": {
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    "datePublished": "2022-01-24T20:10:19.520370Z",
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}

Sightings

Author	Source	Type	Date

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.

Action not permitted

CNVD-2022-08196

CVE-2021-36343 (GCVE-0-2021-36343)

Tags

Sightings

Nomenclature