cnvd-2021-09039
Vulnerability from cnvd
Title
Nextcloud Server资源管理错误漏洞
Description
Nextcloud是德国Nextcloud公司的一套开源的自托管文件同步和共享的通信应用平台。 Nextcloud Server 存在安全漏洞。该漏洞源于程序缺少输入验证，使用户无法在工作流规则中存储无限的数据，从而在以后与这些规则进行交互和使用时导致负载和潜在的DDoS。目前没有详细的漏洞细节提供。
Severity
中
Patch Name
Nextcloud Server资源管理错误漏洞的补丁
Patch Description
Nextcloud是德国Nextcloud公司的一套开源的自托管文件同步和共享的通信应用平台。 Nextcloud Server 存在安全漏洞。该漏洞源于程序缺少输入验证，使用户无法在工作流规则中存储无限的数据，从而在以后与这些规则进行交互和使用时导致负载和潜在的DDoS。目前没有详细的漏洞细节提供。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://nextcloud.com/security/advisory/?id=NC-SA-2021-001

Reference
https://nvd.nist.gov/vuln/detail/CVE-2020-8293
Impacted products
Name
['Nextcloud Nextcloud Server <20.0.2', 'Nextcloud Nextcloud Server <19.0.5', 'Nextcloud Nextcloud Server <18.0.11']
Show details on source website

To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-8293",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-8293"
    }
  },
  "description": "Nextcloud\u662f\u5fb7\u56fdNextcloud\u516c\u53f8\u7684\u4e00\u5957\u5f00\u6e90\u7684\u81ea\u6258\u7ba1\u6587\u4ef6\u540c\u6b65\u548c\u5171\u4eab\u7684\u901a\u4fe1\u5e94\u7528\u5e73\u53f0\u3002\n\nNextcloud Server \u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u7f3a\u5c11\u8f93\u5165\u9a8c\u8bc1\uff0c\u4f7f\u7528\u6237\u65e0\u6cd5\u5728\u5de5\u4f5c\u6d41\u89c4\u5219\u4e2d\u5b58\u50a8\u65e0\u9650\u7684\u6570\u636e\uff0c\u4ece\u800c\u5728\u4ee5\u540e\u4e0e\u8fd9\u4e9b\u89c4\u5219\u8fdb\u884c\u4ea4\u4e92\u548c\u4f7f\u7528\u65f6\u5bfc\u81f4\u8d1f\u8f7d\u548c\u6f5c\u5728\u7684DDoS\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\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\uff1ahttps://nextcloud.com/security/advisory/?id=NC-SA-2021-001",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-09039",
  "openTime": "2021-02-04",
  "patchDescription": "Nextcloud\u662f\u5fb7\u56fdNextcloud\u516c\u53f8\u7684\u4e00\u5957\u5f00\u6e90\u7684\u81ea\u6258\u7ba1\u6587\u4ef6\u540c\u6b65\u548c\u5171\u4eab\u7684\u901a\u4fe1\u5e94\u7528\u5e73\u53f0\u3002\r\n\r\nNextcloud Server \u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u7f3a\u5c11\u8f93\u5165\u9a8c\u8bc1\uff0c\u4f7f\u7528\u6237\u65e0\u6cd5\u5728\u5de5\u4f5c\u6d41\u89c4\u5219\u4e2d\u5b58\u50a8\u65e0\u9650\u7684\u6570\u636e\uff0c\u4ece\u800c\u5728\u4ee5\u540e\u4e0e\u8fd9\u4e9b\u89c4\u5219\u8fdb\u884c\u4ea4\u4e92\u548c\u4f7f\u7528\u65f6\u5bfc\u81f4\u8d1f\u8f7d\u548c\u6f5c\u5728\u7684DDoS\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\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\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Nextcloud Nextcloud Server \u003c20.0.2",
      "Nextcloud Nextcloud Server \u003c19.0.5",
      "Nextcloud Nextcloud Server \u003c18.0.11"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-8293",
  "serverity": "\u4e2d",
  "submitTime": "2021-02-03",
  "title": "Nextcloud Server\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e"
}


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