Vulnerability-Lookup

CNVD-2020-63984

Vulnerability from cnvd - Published: 2020-11-18

Title

Dell Inspiron缓冲区溢出漏洞

Description

Dell Inspiron 15 7579 2-in-1（戴尔灵越）是美国戴尔（Dell）公司的一款笔记本电脑。 Dell Inspiron 15 7579 2-in-1 BIOS 1.31.0之前版本存在安全漏洞，该漏洞源于包含一个不适当的SMM通信缓冲区验证漏洞。本地经过身份验证的攻击者可以利用该漏洞通过使用SMI来获得SMRAM中任意代码的执行。

Severity

中

Patch Name

Dell Inspiron缓冲区溢出漏洞的补丁

Patch Description

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://www.dell.com/support/article/zh-tw/sln322869/dsa-2020-215-dell-inspiron-15-7579-2-in-1-improper-smm-communication-buffer-boundary-verification-vulnerability?lang=en

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-5388

Impacted products

Name
Dell Dell Inspiron 15 7579 2-in-1 <BIOS 1.31.0

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-5388",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-5388"
    }
  },
  "description": "Dell Inspiron 15 7579 2-in-1\uff08\u6234\u5c14\u7075\u8d8a\uff09\u662f\u7f8e\u56fd\u6234\u5c14\uff08Dell\uff09\u516c\u53f8\u7684\u4e00\u6b3e\u7b14\u8bb0\u672c\u7535\u8111\u3002\n\nDell Inspiron 15 7579 2-in-1 BIOS 1.31.0\u4e4b\u524d\u7248\u672c\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5305\u542b\u4e00\u4e2a\u4e0d\u9002\u5f53\u7684SMM\u901a\u4fe1\u7f13\u51b2\u533a\u9a8c\u8bc1\u6f0f\u6d1e\u3002\u672c\u5730\u7ecf\u8fc7\u8eab\u4efd\u9a8c\u8bc1\u7684\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u4f7f\u7528SMI\u6765\u83b7\u5f97SMRAM\u4e2d\u4efb\u610f\u4ee3\u7801\u7684\u6267\u884c\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://www.dell.com/support/article/zh-tw/sln322869/dsa-2020-215-dell-inspiron-15-7579-2-in-1-improper-smm-communication-buffer-boundary-verification-vulnerability?lang=en",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-63984",
  "openTime": "2020-11-18",
  "patchDescription": "Dell Inspiron 15 7579 2-in-1\uff08\u6234\u5c14\u7075\u8d8a\uff09\u662f\u7f8e\u56fd\u6234\u5c14\uff08Dell\uff09\u516c\u53f8\u7684\u4e00\u6b3e\u7b14\u8bb0\u672c\u7535\u8111\u3002\r\n\r\nDell Inspiron 15 7579 2-in-1 BIOS 1.31.0\u4e4b\u524d\u7248\u672c\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5305\u542b\u4e00\u4e2a\u4e0d\u9002\u5f53\u7684SMM\u901a\u4fe1\u7f13\u51b2\u533a\u9a8c\u8bc1\u6f0f\u6d1e\u3002\u672c\u5730\u7ecf\u8fc7\u8eab\u4efd\u9a8c\u8bc1\u7684\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u4f7f\u7528SMI\u6765\u83b7\u5f97SMRAM\u4e2d\u4efb\u610f\u4ee3\u7801\u7684\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 Inspiron\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Dell Dell Inspiron 15 7579 2-in-1 \u003cBIOS 1.31.0"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-5388",
  "serverity": "\u4e2d",
  "submitTime": "2020-11-12",
  "title": "Dell Inspiron\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2020-5388 (GCVE-0-2020-5388)

Vulnerability from cvelistv5 – Published: 2020-11-10 14:50 – Updated: 2024-09-16 22:31

Summary

Dell Inspiron 15 7579 2-in-1 BIOS versions prior to 1.31.0 contain an Improper SMM communication buffer verification vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI to gain arbitrary code execution in SMRAM.

Severity

6.9 (Medium)


                        
                          CVSS:3.1/AV:P/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 CNA under the mitre root

CNA scorecard C 70/100 over 527 records in the last 180 days details

References

1 reference

URL	Tags
https://www.dell.com/support/article/en-us/sln322…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
Dell	CPG BIOS	Affected: unspecified , < 1.31.0 (custom)

Date Public

2020-11-04 00:00

Show details on NVD website

JSON

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          "dateUpdated": "2024-08-04T08:30:23.928Z",
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            "url": "https://www.dell.com/support/article/en-us/sln322869/dsa-2020-215-dell-inspiron-15-7579-2-in-1-improper-smm-communication-buffer-boundary-verification-vulnerability"
          }
        ],
        "title": "CVE Program Container"
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    ],
    "cna": {
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      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "PHYSICAL",
            "availabilityImpact": "HIGH",
            "baseScore": 6.9,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.1"
          }
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      ],
      "problemTypes": [
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        }
      ],
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        "CVE_data_meta": {
          "ASSIGNER": "secure@dell.com",
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        "affects": {
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            "vendor_data": [
              {
                "product": {
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                    {
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                      "version": {
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                          {
                            "version_affected": "\u003c",
                            "version_value": "1.31.0"
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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.

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