cnvd - cnvd-2022-20796

CNVD-2022-20796

Vulnerability from cnvd - Published: 2022-03-18

Title

Dell BIOS输入验证漏洞

Description

Dell是一家生产、设计、销售家用以及办公室电脑的公司，同时还生产与销售服务器、数据储存设备、网络设备等产品。 Dell BIOS包含错误的输入验证漏洞。本地经过身份验证的攻击者可能会利用该漏洞通过使用SMI在SMM期间执行任意代码。

Severity

中

Patch Name

Dell BIOS输入验证漏洞的补丁

Patch Description

Dell是一家生产、设计、销售家用以及办公室电脑的公司，同时还生产与销售服务器、数据储存设备、网络设备等产品。 Dell BIOS包含错误的输入验证漏洞。本地经过身份验证的攻击者可能会利用该漏洞通过使用SMI在SMM期间执行任意代码。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

目前厂商已经发布了升级补丁以修复这个安全问题，请到厂商的主页下载： https://www.dell.com/support/kbdoc/en-us/000197057/dsa-2022-053

Reference

https://nvd.nist.gov/vuln/detail/CVE-2022-24420

Impacted products

Name
Dell BIOS

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2022-24420",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2022-24420"
    }
  },
  "description": "Dell\u662f\u4e00\u5bb6\u751f\u4ea7\u3001\u8bbe\u8ba1\u3001\u9500\u552e\u5bb6\u7528\u4ee5\u53ca\u529e\u516c\u5ba4\u7535\u8111\u7684\u516c\u53f8\uff0c\u540c\u65f6\u8fd8\u751f\u4ea7\u4e0e\u9500\u552e\u670d\u52a1\u5668\u3001\u6570\u636e\u50a8\u5b58\u8bbe\u5907\u3001\u7f51\u7edc\u8bbe\u5907\u7b49\u4ea7\u54c1\u3002\n\nDell BIOS\u5305\u542b\u9519\u8bef\u7684\u8f93\u5165\u9a8c\u8bc1\u6f0f\u6d1e\u3002\u672c\u5730\u7ecf\u8fc7\u8eab\u4efd\u9a8c\u8bc1\u7684\u653b\u51fb\u8005\u53ef\u80fd\u4f1a\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u4f7f\u7528SMI\u5728SMM\u671f\u95f4\u6267\u884c\u4efb\u610f\u4ee3\u7801\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u8fd9\u4e2a\u5b89\u5168\u95ee\u9898\uff0c\u8bf7\u5230\u5382\u5546\u7684\u4e3b\u9875\u4e0b\u8f7d\uff1a\r\nhttps://www.dell.com/support/kbdoc/en-us/000197057/dsa-2022-053",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-20796",
  "openTime": "2022-03-18",
  "patchDescription": "Dell\u662f\u4e00\u5bb6\u751f\u4ea7\u3001\u8bbe\u8ba1\u3001\u9500\u552e\u5bb6\u7528\u4ee5\u53ca\u529e\u516c\u5ba4\u7535\u8111\u7684\u516c\u53f8\uff0c\u540c\u65f6\u8fd8\u751f\u4ea7\u4e0e\u9500\u552e\u670d\u52a1\u5668\u3001\u6570\u636e\u50a8\u5b58\u8bbe\u5907\u3001\u7f51\u7edc\u8bbe\u5907\u7b49\u4ea7\u54c1\u3002\r\n\r\nDell BIOS\u5305\u542b\u9519\u8bef\u7684\u8f93\u5165\u9a8c\u8bc1\u6f0f\u6d1e\u3002\u672c\u5730\u7ecf\u8fc7\u8eab\u4efd\u9a8c\u8bc1\u7684\u653b\u51fb\u8005\u53ef\u80fd\u4f1a\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u4f7f\u7528SMI\u5728SMM\u671f\u95f4\u6267\u884c\u4efb\u610f\u4ee3\u7801\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\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Dell BIOS"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2022-24420",
  "serverity": "\u4e2d",
  "submitTime": "2022-03-14",
  "title": "Dell BIOS\u8f93\u5165\u9a8c\u8bc1\u6f0f\u6d1e"
}

CVE-2022-24420 (GCVE-0-2022-24420)

Vulnerability from cvelistv5 – Published: 2022-03-11 21:45 – Updated: 2024-09-17 00:30

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 during SMM.

Severity ?

8.2 (High)


                        
                          CVSS:3.1/AV:L/AC:L/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/00019705…

x_refsource_MISC

Impacted products

	Vendor	Product	Version
	Dell	CPG BIOS	Affected: unspecified , < 1.16 (custom)

Show details on NVD website

JSON

To clipboard

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          "dateUpdated": "2024-08-03T04:13:55.390Z",
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        ],
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            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 8.2,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.1"
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        },
        "affects": {
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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-2022-20796

CVE-2022-24420 (GCVE-0-2022-24420)

Tags

Sightings

Nomenclature