CNVD-2021-34479

Vulnerability from cnvd - Published: 2021-05-14
VLAI Severity ?
Title
Microsoft Windows和Windows Server权限提升漏洞（CNVD-2021-34479）
Description
Microsoft Windows和Microsoft Windows Server都是美国微软（Microsoft）公司的产品。Microsoft Windows是一套个人设备使用的操作系统。Microsoft Windows Server是一套服务器操作系统。 Microsoft Windows和Windows Server中的Win32k存在权限提升漏洞，攻击者可利用该漏洞提升权限。
Severity
中
Patch Name
Microsoft Windows和Windows Server权限提升漏洞（CNVD-2021-34479）的补丁
Patch Description
Microsoft Windows和Microsoft Windows Server都是美国微软（Microsoft）公司的产品。Microsoft Windows是一套个人设备使用的操作系统。Microsoft Windows Server是一套服务器操作系统。 Microsoft Windows和Windows Server中的Win32k存在权限提升漏洞，攻击者可利用该漏洞提升权限。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://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-27072

Reference
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-27072
Impacted products
Name
['Microsoft Windows Server 2012 R2', 'Microsoft Windows Windows Server 2012', 'Microsoft Windows RT 8.1 SP0', 'Microsoft Windows 8.1', 'Microsoft Windows Server 2016', 'Microsoft Microsoft Windows Server 1909', 'Microsoft Windows Server 2004', 'Microsoft Windows Server 20H2', 'Microsoft Windows Server 2019', 'Microsoft Windows 10', 'Microsoft Windows 10 1607', 'Microsoft Windows 10 1803', 'Microsoft Windows 10 1809', 'Microsoft Windows 10 1909', 'Microsoft Windows 10 2004', 'Microsoft Windows 10 20H2']
Show details on source website
To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-27072",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-27072"
    }
  },
  "description": "Microsoft Windows\u548cMicrosoft Windows Server\u90fd\u662f\u7f8e\u56fd\u5fae\u8f6f\uff08Microsoft\uff09\u516c\u53f8\u7684\u4ea7\u54c1\u3002Microsoft Windows\u662f\u4e00\u5957\u4e2a\u4eba\u8bbe\u5907\u4f7f\u7528\u7684\u64cd\u4f5c\u7cfb\u7edf\u3002Microsoft Windows Server\u662f\u4e00\u5957\u670d\u52a1\u5668\u64cd\u4f5c\u7cfb\u7edf\u3002\n\nMicrosoft Windows\u548cWindows Server\u4e2d\u7684Win32k\u5b58\u5728\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u63d0\u5347\u6743\u9650\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://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-27072",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-34479",
  "openTime": "2021-05-14",
  "patchDescription": "Microsoft Windows\u548cMicrosoft Windows Server\u90fd\u662f\u7f8e\u56fd\u5fae\u8f6f\uff08Microsoft\uff09\u516c\u53f8\u7684\u4ea7\u54c1\u3002Microsoft Windows\u662f\u4e00\u5957\u4e2a\u4eba\u8bbe\u5907\u4f7f\u7528\u7684\u64cd\u4f5c\u7cfb\u7edf\u3002Microsoft Windows Server\u662f\u4e00\u5957\u670d\u52a1\u5668\u64cd\u4f5c\u7cfb\u7edf\u3002\r\n\r\nMicrosoft Windows\u548cWindows Server\u4e2d\u7684Win32k\u5b58\u5728\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u63d0\u5347\u6743\u9650\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\u548cWindows Server\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\uff08CNVD-2021-34479\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Microsoft Windows Server 2012 R2",
      "Microsoft Windows Windows Server 2012",
      "Microsoft Windows RT 8.1 SP0",
      "Microsoft Windows 8.1",
      "Microsoft Windows Server 2016",
      "Microsoft Microsoft Windows Server 1909",
      "Microsoft Windows Server 2004",
      "Microsoft Windows Server 20H2",
      "Microsoft Windows Server 2019",
      "Microsoft Windows 10",
      "Microsoft Windows 10 1607",
      "Microsoft Windows 10 1803",
      "Microsoft Windows 10 1809",
      "Microsoft Windows 10 1909",
      "Microsoft Windows 10 2004",
      "Microsoft Windows 10 20H2"
    ]
  },
  "referenceLink": "https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-27072",
  "serverity": "\u4e2d",
  "submitTime": "2021-04-14",
  "title": "Microsoft Windows\u548cWindows Server\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\uff08CNVD-2021-34479\uff09"
}


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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.