cnvd-2022-20701
Vulnerability from cnvd

Title: Nextcloud输入验证错误漏洞(CNVD-2022-20701)

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中存在输入验证错误漏洞,该漏洞源于 DownloadResponse 没有对上传文件名做安全检查,攻击者可利用该漏洞诱导用户下载具有正常文件名的恶意文件。

Severity:

Patch Name: Nextcloud输入验证错误漏洞(CNVD-2022-20701)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中存在输入验证错误漏洞,该漏洞源于 DownloadResponse 没有对上传文件名做安全检查,攻击者可利用该漏洞诱导用户下载具有正常文件名的恶意文件。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-3hjp-26x8-mhf6

Reference: https://nvd.nist.gov/vuln/detail/CVE-2021-32679

Impacted products
Name
['Nextcloud Nextcloud Server <19.0.13', 'Nextcloud Nextcloud Server >=20.0.0,<20.0.11', 'Nextcloud Nextcloud Server >=21.0.0,<21.0.3']
Show details on source website


{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-32679",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-32679"
    }
  },
  "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\u4e2d\u5b58\u5728\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e DownloadResponse \u6ca1\u6709\u5bf9\u4e0a\u4f20\u6587\u4ef6\u540d\u505a\u5b89\u5168\u68c0\u67e5\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u8bf1\u5bfc\u7528\u6237\u4e0b\u8f7d\u5177\u6709\u6b63\u5e38\u6587\u4ef6\u540d\u7684\u6076\u610f\u6587\u4ef6\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-3hjp-26x8-mhf6",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-20701",
  "openTime": "2022-03-18",
  "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\u4e2d\u5b58\u5728\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e DownloadResponse \u6ca1\u6709\u5bf9\u4e0a\u4f20\u6587\u4ef6\u540d\u505a\u5b89\u5168\u68c0\u67e5\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u8bf1\u5bfc\u7528\u6237\u4e0b\u8f7d\u5177\u6709\u6b63\u5e38\u6587\u4ef6\u540d\u7684\u6076\u610f\u6587\u4ef6\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\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e\uff08CNVD-2022-20701\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Nextcloud Nextcloud  Server \u003c19.0.13",
      "Nextcloud Nextcloud Server \u003e=20.0.0\uff0c\u003c20.0.11",
      "Nextcloud Nextcloud Server \u003e=21.0.0\uff0c\u003c21.0.3"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-32679",
  "serverity": "\u4e2d",
  "submitTime": "2021-07-14",
  "title": "Nextcloud\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e\uff08CNVD-2022-20701\uff09"
}


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