CNVD-2021-10529

Vulnerability from cnvd - Published: 2021-02-11
VLAI
Title
Microsoft Windows TCP/IP拒绝服务漏洞
Description
Microsoft Windows操作系统是美国微软公司研发的一套操作系统。 Microsoft Windows TCP/IP存在拒绝服务漏洞，攻击者可以通过发送多个精心制作的IPv6数据包（多个IP包头、无效包头、多个分片头等）触发漏洞，该漏洞利用成功可能导致目标主机发生蓝屏。
Severity
高
Patch Name
Microsoft Windows TCP/IP拒绝服务漏洞的补丁
Patch Description
Microsoft Windows操作系统是美国微软公司研发的一套操作系统。 Microsoft Windows TCP/IP存在拒绝服务漏洞，攻击者可以通过发送多个精心制作的IPv6数据包（多个IP包头、无效包头、多个分片头等）触发漏洞，该漏洞利用成功可能导致目标主机发生蓝屏。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

微软公司已发布了修复上述两个漏洞的安全补丁，CNVD建议用户开启Windows自动更新程序进行自动修复，或者从微软官方下载补丁进行手动修复： https://msrc.microsoft.com/update-guide/zh-cn/vulnerability/CVE-2021-24086

Reference
https://msrc.microsoft.com/update-guide/zh-cn/vulnerability/CVE-2021-24086
Impacted products
Name
['Microsoft Windows10 20H2', 'Microsoft Windows 7 SP1', 'Microsoft Windows Server 20H2', 'Microsoft Windows Server2008']
Show details on source website
To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-24086"
    }
  },
  "description": "Microsoft Windows\u64cd\u4f5c\u7cfb\u7edf\u662f\u7f8e\u56fd\u5fae\u8f6f\u516c\u53f8\u7814\u53d1\u7684\u4e00\u5957\u64cd\u4f5c\u7cfb\u7edf\u3002\n\nMicrosoft Windows TCP/IP\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u4ee5\u901a\u8fc7\u53d1\u9001\u591a\u4e2a\u7cbe\u5fc3\u5236\u4f5c\u7684IPv6\u6570\u636e\u5305\uff08\u591a\u4e2aIP\u5305\u5934\u3001\u65e0\u6548\u5305\u5934\u3001\u591a\u4e2a\u5206\u7247\u5934\u7b49\uff09\u89e6\u53d1\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u5229\u7528\u6210\u529f\u53ef\u80fd\u5bfc\u81f4\u76ee\u6807\u4e3b\u673a\u53d1\u751f\u84dd\u5c4f\u3002",
  "formalWay": "\u5fae\u8f6f\u516c\u53f8\u5df2\u53d1\u5e03\u4e86\u4fee\u590d\u4e0a\u8ff0\u4e24\u4e2a\u6f0f\u6d1e\u7684\u5b89\u5168\u8865\u4e01\uff0cCNVD\u5efa\u8bae\u7528\u6237\u5f00\u542fWindows\u81ea\u52a8\u66f4\u65b0\u7a0b\u5e8f\u8fdb\u884c\u81ea\u52a8\u4fee\u590d\uff0c\u6216\u8005\u4ece\u5fae\u8f6f\u5b98\u65b9\u4e0b\u8f7d\u8865\u4e01\u8fdb\u884c\u624b\u52a8\u4fee\u590d\uff1a\r\nhttps://msrc.microsoft.com/update-guide/zh-cn/vulnerability/CVE-2021-24086",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-10529",
  "openTime": "2021-02-11",
  "patchDescription": "Microsoft Windows\u64cd\u4f5c\u7cfb\u7edf\u662f\u7f8e\u56fd\u5fae\u8f6f\u516c\u53f8\u7814\u53d1\u7684\u4e00\u5957\u64cd\u4f5c\u7cfb\u7edf\u3002\r\n\r\nMicrosoft Windows TCP/IP\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u4ee5\u901a\u8fc7\u53d1\u9001\u591a\u4e2a\u7cbe\u5fc3\u5236\u4f5c\u7684IPv6\u6570\u636e\u5305\uff08\u591a\u4e2aIP\u5305\u5934\u3001\u65e0\u6548\u5305\u5934\u3001\u591a\u4e2a\u5206\u7247\u5934\u7b49\uff09\u89e6\u53d1\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u5229\u7528\u6210\u529f\u53ef\u80fd\u5bfc\u81f4\u76ee\u6807\u4e3b\u673a\u53d1\u751f\u84dd\u5c4f\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 Windows TCP/IP\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Microsoft Windows10 20H2",
      "Microsoft Windows 7 SP1",
      "Microsoft Windows Server 20H2",
      "Microsoft Windows Server2008"
    ]
  },
  "referenceLink": "https://msrc.microsoft.com/update-guide/zh-cn/vulnerability/CVE-2021-24086",
  "serverity": "\u9ad8",
  "submitTime": "2021-02-11",
  "title": "Microsoft Windows TCP/IP\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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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.


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.