Vulnerability-Lookup

CNVD-2020-31257

Vulnerability from cnvd - Published: 2020-06-01

Title

Dell OS recovery未授权访问漏洞

Description

Dell OS recovery是美国戴尔（Dell）公司的一款系统恢复软件。 Dell OS recovery存在未授权访问漏洞，攻击者可利用该漏洞造成文件夹未授权访问。

Severity

高

Patch Name

Dell OS recovery未授权访问漏洞的补丁

Patch Description

Dell OS recovery是美国戴尔（Dell）公司的一款系统恢复软件。 Dell OS recovery存在未授权访问漏洞，攻击者可利用该漏洞造成文件夹未授权访问。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/article/SLN321036

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-5343

Impacted products

Name
Dell OS recovery <2019-12-20

Show details on source website

JSON

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    "cve": {
      "cveNumber": "CVE-2020-5343"
    }
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  "description": "Dell OS recovery\u662f\u7f8e\u56fd\u6234\u5c14\uff08Dell\uff09\u516c\u53f8\u7684\u4e00\u6b3e\u7cfb\u7edf\u6062\u590d\u8f6f\u4ef6\u3002\n\nDell OS recovery\u5b58\u5728\u672a\u6388\u6743\u8bbf\u95ee\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u6587\u4ef6\u5939\u672a\u6388\u6743\u8bbf\u95ee\u3002",
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  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-31257",
  "openTime": "2020-06-01",
  "patchDescription": "Dell OS recovery\u662f\u7f8e\u56fd\u6234\u5c14\uff08Dell\uff09\u516c\u53f8\u7684\u4e00\u6b3e\u7cfb\u7edf\u6062\u590d\u8f6f\u4ef6\u3002\r\n\r\nDell OS recovery\u5b58\u5728\u672a\u6388\u6743\u8bbf\u95ee\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u6587\u4ef6\u5939\u672a\u6388\u6743\u8bbf\u95ee\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 OS recovery\u672a\u6388\u6743\u8bbf\u95ee\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Dell OS recovery \u003c2019-12-20"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-5343",
  "serverity": "\u9ad8",
  "submitTime": "2020-05-06",
  "title": "Dell OS recovery\u672a\u6388\u6743\u8bbf\u95ee\u6f0f\u6d1e"
}

CVE-2020-5343 (GCVE-0-2020-5343)

Vulnerability from cvelistv5 – Published: 2020-05-04 18:50 – Updated: 2024-09-17 00:10

Summary

Dell Client platforms restored using a Dell OS recovery image downloaded before December 20, 2019, may contain an insecure inherited permissions vulnerability. A local authenticated malicious user with low privileges could exploit this vulnerability to gain unauthorized access on the root folder.

Severity

7.3 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

CWE

CWE-277 - Insecure Inherited Permissions

Assigner

dell mitre root Scorecard

References

1 reference

URL	Tags
https://www.dell.com/support/article/SLN321036	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
Dell	CPG SW	Affected: unspecified , < Dell Client platforms restored using a Dell OS recovery image downloaded before December 20, 2019 (custom)

Date Public

2020-04-30 00:00

Show details on NVD website

JSON

To clipboard

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          "dateUpdated": "2024-08-04T08:30:23.291Z",
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            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.3,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H",
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          "url": "https://www.dell.com/support/article/SLN321036"
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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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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CNVD-2020-31257

CVE-2020-5343 (GCVE-0-2020-5343)

Tags

Sightings

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