CNVD-2021-08835

Vulnerability from cnvd - Published: 2021-02-02
VLAI Severity ?
Title
Microsoft Windows Hyper-V拒绝服务漏洞（CNVD-2021-08835）
Description
Microsoft Windows Hyper-V是美国微软（Microsoft）公司的一款可提供硬件虚拟化的工具。该软件允许创建虚拟硬盘驱动器、虚拟交换机以及许多其他虚拟设备。 Microsoft Windows Hyper-V存在拒绝服务漏洞。该漏洞源于主机服务器上的Microsoft Hyper-V不能正确验证客户端操作系统上的用户的特定恶意数据。攻击者可通过运行特制应用程序利用该漏洞导致拒绝服务。
Severity
中
Patch Name
Microsoft Windows Hyper-V拒绝服务漏洞（CNVD-2021-08835）的补丁
Patch Description
Microsoft Windows Hyper-V是美国微软（Microsoft）公司的一款可提供硬件虚拟化的工具。该软件允许创建虚拟硬盘驱动器、虚拟交换机以及许多其他虚拟设备。 Microsoft Windows Hyper-V存在拒绝服务漏洞。该漏洞源于主机服务器上的Microsoft Hyper-V不能正确验证客户端操作系统上的用户的特定恶意数据。攻击者可通过运行特制应用程序利用该漏洞导致拒绝服务。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

厂商已发布了漏洞修复程序，请及时关注更新： https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1243

Reference
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1243
Impacted products
Name
['Microsoft Windows 10 1607', 'Microsoft Windows Server 2016', 'Microsoft Windows Server 2019', 'Microsoft Microsoft Windows Server 1903', 'Microsoft Windows 10 1709', 'Microsoft Windows 10 1803', 'Microsoft Windows 10 1809', 'Microsoft Windows 10 1903', 'Microsoft Windows Server 1909', 'Microsoft Windows 10 1909', 'Microsoft Windows Server 2004', 'Microsoft Windows 10 2004']
Show details on source website
To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-1243",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-1243"
    }
  },
  "description": "Microsoft Windows Hyper-V\u662f\u7f8e\u56fd\u5fae\u8f6f\uff08Microsoft\uff09\u516c\u53f8\u7684\u4e00\u6b3e\u53ef\u63d0\u4f9b\u786c\u4ef6\u865a\u62df\u5316\u7684\u5de5\u5177\u3002\u8be5\u8f6f\u4ef6\u5141\u8bb8\u521b\u5efa\u865a\u62df\u786c\u76d8\u9a71\u52a8\u5668\u3001\u865a\u62df\u4ea4\u6362\u673a\u4ee5\u53ca\u8bb8\u591a\u5176\u4ed6\u865a\u62df\u8bbe\u5907\u3002\n\nMicrosoft Windows Hyper-V\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u4e3b\u673a\u670d\u52a1\u5668\u4e0a\u7684Microsoft Hyper-V\u4e0d\u80fd\u6b63\u786e\u9a8c\u8bc1\u5ba2\u6237\u7aef\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u7684\u7528\u6237\u7684\u7279\u5b9a\u6076\u610f\u6570\u636e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u8fd0\u884c\u7279\u5236\u5e94\u7528\u7a0b\u5e8f\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\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://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1243",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-08835",
  "openTime": "2021-02-02",
  "patchDescription": "Microsoft Windows Hyper-V\u662f\u7f8e\u56fd\u5fae\u8f6f\uff08Microsoft\uff09\u516c\u53f8\u7684\u4e00\u6b3e\u53ef\u63d0\u4f9b\u786c\u4ef6\u865a\u62df\u5316\u7684\u5de5\u5177\u3002\u8be5\u8f6f\u4ef6\u5141\u8bb8\u521b\u5efa\u865a\u62df\u786c\u76d8\u9a71\u52a8\u5668\u3001\u865a\u62df\u4ea4\u6362\u673a\u4ee5\u53ca\u8bb8\u591a\u5176\u4ed6\u865a\u62df\u8bbe\u5907\u3002\r\n\r\nMicrosoft Windows Hyper-V\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u4e3b\u673a\u670d\u52a1\u5668\u4e0a\u7684Microsoft Hyper-V\u4e0d\u80fd\u6b63\u786e\u9a8c\u8bc1\u5ba2\u6237\u7aef\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u7684\u7528\u6237\u7684\u7279\u5b9a\u6076\u610f\u6570\u636e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u8fd0\u884c\u7279\u5236\u5e94\u7528\u7a0b\u5e8f\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\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 Hyper-V\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2021-08835\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Microsoft Windows 10 1607",
      "Microsoft Windows Server 2016",
      "Microsoft Windows Server 2019",
      "Microsoft Microsoft Windows Server 1903",
      "Microsoft Windows 10 1709",
      "Microsoft Windows 10 1803",
      "Microsoft Windows 10 1809",
      "Microsoft Windows 10 1903",
      "Microsoft Windows Server 1909",
      "Microsoft Windows 10 1909",
      "Microsoft Windows Server 2004",
      "Microsoft Windows 10 2004"
    ]
  },
  "referenceLink": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1243",
  "serverity": "\u4e2d",
  "submitTime": "2020-10-16",
  "title": "Microsoft Windows Hyper-V\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2021-08835\uff09"
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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