Vulnerability-Lookup

CNVD-2021-25976

Vulnerability from cnvd - Published: 2021-04-08

Title

Microsoft SMBv3信息泄露漏洞

Description

Microsoft SMBv3是美国微软（Microsoft）公司的一个为设备提供SMB功能的支持固件。 Microsoft SMBv3（3.1.1版本）协议中处理某些请求的方式存在信息泄漏漏洞。攻击者可通过诱使用户连接到所配置的恶意SMBv3服务器利用该漏洞获取信息，从而进一步入侵用户系统。

Severity

中

Patch Name

Microsoft SMBv3信息泄露漏洞的补丁

Patch Description

Microsoft SMBv3是美国微软（Microsoft）公司的一个为设备提供SMB功能的支持固件。 Microsoft SMBv3（3.1.1版本）协议中处理某些请求的方式存在信息泄漏漏洞。攻击者可通过诱使用户连接到所配置的恶意SMBv3服务器利用该漏洞获取信息，从而进一步入侵用户系统。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://portal.msrc.microsoft.com/zh-CN/security-guidance/advisory/CVE-2020-1206

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-1206

Impacted products

Name
['Microsoft Windows Server 1903', 'Microsoft Windows 10 1903', 'Microsoft Microsoft Windows Server 1909', 'Microsoft Windows 10 1909', 'Microsoft Windows Server 2004', 'Microsoft Windows 10 2004']

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-1206"
    }
  },
  "description": "Microsoft SMBv3\u662f\u7f8e\u56fd\u5fae\u8f6f\uff08Microsoft\uff09\u516c\u53f8\u7684\u4e00\u4e2a\u4e3a\u8bbe\u5907\u63d0\u4f9bSMB\u529f\u80fd\u7684\u652f\u6301\u56fa\u4ef6\u3002\n\nMicrosoft SMBv3\uff083.1.1\u7248\u672c\uff09\u534f\u8bae\u4e2d\u5904\u7406\u67d0\u4e9b\u8bf7\u6c42\u7684\u65b9\u5f0f\u5b58\u5728\u4fe1\u606f\u6cc4\u6f0f\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u8bf1\u4f7f\u7528\u6237\u8fde\u63a5\u5230\u6240\u914d\u7f6e\u7684\u6076\u610fSMBv3\u670d\u52a1\u5668\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u53d6\u4fe1\u606f\uff0c\u4ece\u800c\u8fdb\u4e00\u6b65\u5165\u4fb5\u7528\u6237\u7cfb\u7edf\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://portal.msrc.microsoft.com/zh-CN/security-guidance/advisory/CVE-2020-1206",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-25976",
  "openTime": "2021-04-08",
  "patchDescription": "Microsoft SMBv3\u662f\u7f8e\u56fd\u5fae\u8f6f\uff08Microsoft\uff09\u516c\u53f8\u7684\u4e00\u4e2a\u4e3a\u8bbe\u5907\u63d0\u4f9bSMB\u529f\u80fd\u7684\u652f\u6301\u56fa\u4ef6\u3002\r\n\r\nMicrosoft SMBv3\uff083.1.1\u7248\u672c\uff09\u534f\u8bae\u4e2d\u5904\u7406\u67d0\u4e9b\u8bf7\u6c42\u7684\u65b9\u5f0f\u5b58\u5728\u4fe1\u606f\u6cc4\u6f0f\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u8bf1\u4f7f\u7528\u6237\u8fde\u63a5\u5230\u6240\u914d\u7f6e\u7684\u6076\u610fSMBv3\u670d\u52a1\u5668\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u53d6\u4fe1\u606f\uff0c\u4ece\u800c\u8fdb\u4e00\u6b65\u5165\u4fb5\u7528\u6237\u7cfb\u7edf\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": "Microsoft SMBv3\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Microsoft Windows Server 1903",
      "Microsoft Windows 10 1903",
      "Microsoft Microsoft Windows Server 1909",
      "Microsoft Windows 10 1909",
      "Microsoft Windows Server 2004",
      "Microsoft Windows 10 2004"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-1206",
  "serverity": "\u4e2d",
  "submitTime": "2020-06-10",
  "title": "Microsoft SMBv3\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e"
}

CVE-2020-1206 (GCVE-0-2020-1206)

Vulnerability from cvelistv5 – Published: 2020-06-09 19:43 – Updated: 2024-08-04 06:31

Summary

An information disclosure vulnerability exists in the way that the Microsoft Server Message Block 3.1.1 (SMBv3) protocol handles certain requests, aka 'Windows SMBv3 Client/Server Information Disclosure Vulnerability'.

Severity

No CVSS data available.

CWE

Information Disclosure

Assigner

microsoft mitre root

References

2 references

URL	Tags
https://portal.msrc.microsoft.com/en-US/security-…	x_refsource_MISC
http://packetstormsecurity.com/files/158053/SMBle…	x_refsource_MISC

Impacted products

12 products

Vendor	Product	Version
Microsoft	Windows 10 Version 1909 for 32-bit Systems	Affected: unspecified
Microsoft	Windows 10 Version 1909 for x64-based Systems	Affected: unspecified
Microsoft	Windows 10 Version 1909 for ARM64-based Systems	Affected: unspecified
Microsoft	Windows Server, version 1909 (Server Core installation)	Affected: unspecified
Microsoft	Windows 10 Version 1903 for 32-bit Systems	Affected: unspecified
Microsoft	Windows 10 Version 1903 for x64-based Systems	Affected: unspecified
Microsoft	Windows 10 Version 1903 for ARM64-based Systems	Affected: unspecified
Microsoft	Windows Server, version 1903 (Server Core installation)	Affected: unspecified
Microsoft	Windows 10 Version 2004 for ARM64-based Systems	Affected: unspecified
Microsoft	Windows 10 Version 2004 for x64-based Systems	Affected: unspecified
Microsoft	Windows 10 Version 2004 for 32-bit Systems	Affected: unspecified
Microsoft	Windows Server, version 2004 (Server Core installation)	Affected: unspecified

Show details on NVD website

JSON

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{
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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.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

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CNVD-2021-25976

CVE-2020-1206 (GCVE-0-2020-1206)

Tags

Sightings

Nomenclature

Related by attack behaviour