CNVD-2021-27705

Vulnerability from cnvd - Published: 2021-04-13
VLAI Severity ?
Title
Microsoft Windows Background Intelligent Transfer Service权限提升漏洞
Description
Microsoft Windows是美国微软（Microsoft）公司的一套个人设备使用的操作系统。 Microsoft Windows Background Intelligent Transfer Service(BITS)中的IIS模块存在权限提升漏洞，该漏洞源于程序未正确处理上传内容，攻击者可借助特制请求利用该漏洞上传限制文件类型到IIS托管的文件夹。
Severity
中
Patch Name
Microsoft Windows Background Intelligent Transfer Service权限提升漏洞的补丁
Patch Description
Microsoft Windows是美国微软（Microsoft）公司的一套个人设备使用的操作系统。 Microsoft Windows Background Intelligent Transfer Service(BITS)中的IIS模块存在权限提升漏洞，该漏洞源于程序未正确处理上传内容，攻击者可借助特制请求利用该漏洞上传限制文件类型到IIS托管的文件夹。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/zh-CN/vulnerability/CVE-2020-1255

Reference
https://nvd.nist.gov/vuln/detail/CVE-2020-1255
Impacted products
Name
['Microsoft Windows Server 2008 R2 SP1', 'Microsoft Windows Server 2008 SP2', 'Microsoft Windows 7 SP1', 'Microsoft Windows Windows Server 2012', 'Microsoft Windows 8.1', 'Microsoft Windows RT 8.1 SP0', 'Microsoft Windows Server 2012 R2', 'Microsoft Windows 10', 'Microsoft Windows 10 1607', 'Microsoft Windows Server 2016', 'Microsoft Windows Server 2019', 'Microsoft Microsoft Windows Server 1803', 'Microsoft Microsoft Windows Server 1903', 'Microsoft Windows 10 1709', 'Microsoft Windows 10 1803', 'Microsoft Windows 10 1809', '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-2020-1255"
    }
  },
  "description": "Microsoft Windows\u662f\u7f8e\u56fd\u5fae\u8f6f\uff08Microsoft\uff09\u516c\u53f8\u7684\u4e00\u5957\u4e2a\u4eba\u8bbe\u5907\u4f7f\u7528\u7684\u64cd\u4f5c\u7cfb\u7edf\u3002 \n\nMicrosoft Windows Background Intelligent Transfer Service(BITS)\u4e2d\u7684IIS\u6a21\u5757\u5b58\u5728\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u6b63\u786e\u5904\u7406\u4e0a\u4f20\u5185\u5bb9\uff0c\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u8bf7\u6c42\u5229\u7528\u8be5\u6f0f\u6d1e\u4e0a\u4f20\u9650\u5236\u6587\u4ef6\u7c7b\u578b\u5230IIS\u6258\u7ba1\u7684\u6587\u4ef6\u5939\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/zh-CN/vulnerability/CVE-2020-1255",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-27705",
  "openTime": "2021-04-13",
  "patchDescription": "Microsoft Windows\u662f\u7f8e\u56fd\u5fae\u8f6f\uff08Microsoft\uff09\u516c\u53f8\u7684\u4e00\u5957\u4e2a\u4eba\u8bbe\u5907\u4f7f\u7528\u7684\u64cd\u4f5c\u7cfb\u7edf\u3002 \r\n\r\nMicrosoft Windows Background Intelligent Transfer Service(BITS)\u4e2d\u7684IIS\u6a21\u5757\u5b58\u5728\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u6b63\u786e\u5904\u7406\u4e0a\u4f20\u5185\u5bb9\uff0c\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u8bf7\u6c42\u5229\u7528\u8be5\u6f0f\u6d1e\u4e0a\u4f20\u9650\u5236\u6587\u4ef6\u7c7b\u578b\u5230IIS\u6258\u7ba1\u7684\u6587\u4ef6\u5939\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 Background Intelligent Transfer Service\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Microsoft Windows Server 2008 R2 SP1",
      "Microsoft Windows Server 2008 SP2",
      "Microsoft Windows 7 SP1",
      "Microsoft Windows Windows Server 2012",
      "Microsoft Windows 8.1",
      "Microsoft Windows RT 8.1 SP0",
      "Microsoft Windows Server 2012 R2",
      "Microsoft Windows 10",
      "Microsoft Windows 10 1607",
      "Microsoft Windows Server 2016",
      "Microsoft Windows Server 2019",
      "Microsoft Microsoft Windows Server 1803",
      "Microsoft Microsoft Windows Server 1903",
      "Microsoft Windows 10 1709",
      "Microsoft Windows 10 1803",
      "Microsoft Windows 10 1809",
      "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-2020-1255",
  "serverity": "\u4e2d",
  "submitTime": "2020-06-10",
  "title": "Microsoft Windows Background Intelligent Transfer Service\u6743\u9650\u63d0\u5347\u6f0f\u6d1e"
}


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Sightings

Author Source Type Date

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.