cnvd-2022-20700
Vulnerability from cnvd
Title
Nextcloud Server信息泄露漏洞（CNVD-2022-20700）
Description
Nextcloud是一个开源的、功能强大的云存储网盘项目。 Nextcloud Server存在信息泄露漏洞。攻击者可利用该漏洞绕过Nextcloud中的双重身份验证，知晓密码或具备访问WebAuthN可信设备权限的攻击者可对帐户进行访问。
Severity
低
Patch Name
Nextcloud Server信息泄露漏洞（CNVD-2022-20700）的补丁
Patch Description
Nextcloud是一个开源的、功能强大的云存储网盘项目。 Nextcloud Server存在信息泄露漏洞。攻击者可利用该漏洞绕过Nextcloud中的双重身份验证，知晓密码或具备访问WebAuthN可信设备权限的攻击者可对帐户进行访问。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://github.com/nextcloud/security-advisories/security/advisories/GHSA-mcpf-v65v-359h

Reference
https://nvd.nist.gov/vuln/detail/CVE-2021-32801
Impacted products
Name
['Nextcloud Nextcloud <20.0.12', 'Nextcloud Nextcloud >=21.0.0，<21.0.4', 'Nextcloud Nextcloud >=22.0.0，<22.1.0']
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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-32801",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-32801"
    }
  },
  "description": "Nextcloud\u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u3001\u529f\u80fd\u5f3a\u5927\u7684\u4e91\u5b58\u50a8\u7f51\u76d8\u9879\u76ee\u3002\n\nNextcloud Server\u5b58\u5728\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7Nextcloud\u4e2d\u7684\u53cc\u91cd\u8eab\u4efd\u9a8c\u8bc1\uff0c\u77e5\u6653\u5bc6\u7801\u6216\u5177\u5907\u8bbf\u95eeWebAuthN\u53ef\u4fe1\u8bbe\u5907\u6743\u9650\u7684\u653b\u51fb\u8005\u53ef\u5bf9\u5e10\u6237\u8fdb\u884c\u8bbf\u95ee\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://github.com/nextcloud/security-advisories/security/advisories/GHSA-mcpf-v65v-359h",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-20700",
  "openTime": "2022-03-18",
  "patchDescription": "Nextcloud\u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u3001\u529f\u80fd\u5f3a\u5927\u7684\u4e91\u5b58\u50a8\u7f51\u76d8\u9879\u76ee\u3002\r\n\r\nNextcloud Server\u5b58\u5728\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7Nextcloud\u4e2d\u7684\u53cc\u91cd\u8eab\u4efd\u9a8c\u8bc1\uff0c\u77e5\u6653\u5bc6\u7801\u6216\u5177\u5907\u8bbf\u95eeWebAuthN\u53ef\u4fe1\u8bbe\u5907\u6743\u9650\u7684\u653b\u51fb\u8005\u53ef\u5bf9\u5e10\u6237\u8fdb\u884c\u8bbf\u95ee\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": "Nextcloud Server\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\uff08CNVD-2022-20700\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Nextcloud Nextcloud \u003c20.0.12",
      "Nextcloud Nextcloud \u003e=21.0.0\uff0c\u003c21.0.4",
      "Nextcloud Nextcloud \u003e=22.0.0\uff0c\u003c22.1.0"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-32801",
  "serverity": "\u4f4e",
  "submitTime": "2021-09-08",
  "title": "Nextcloud Server\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\uff08CNVD-2022-20700\uff09"
}


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