cnvd - cnvd-2021-16924

cnvd-2021-16924

Vulnerability from cnvd

Title: Nextcloud访问控制错误漏洞

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 20.0.6之前版本存在安全漏洞，该漏洞源于丢失的用户检查不经意地为其他用户的外部存储配置填充了用户自己的凭证。目前没有详细的漏洞细节提供。

Severity: 中

Patch Name: Nextcloud访问控制错误漏洞的补丁

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 20.0.6之前版本存在安全漏洞，该漏洞源于丢失的用户检查不经意地为其他用户的外部存储配置填充了用户自己的凭证。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-2021-004

Reference: https://github.com/nextcloud/server/pull/25224

Impacted products

Name
Nextcloud Nextcloud <20.0.6

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-22877",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-22877"
    }
  },
  "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 20.0.6\u4e4b\u524d\u7248\u672c\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u4e22\u5931\u7684\u7528\u6237\u68c0\u67e5\u4e0d\u7ecf\u610f\u5730\u4e3a\u5176\u4ed6\u7528\u6237\u7684\u5916\u90e8\u5b58\u50a8\u914d\u7f6e\u586b\u5145\u4e86\u7528\u6237\u81ea\u5df1\u7684\u51ed\u8bc1\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-2021-004",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-16924",
  "openTime": "2021-03-11",
  "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 20.0.6\u4e4b\u524d\u7248\u672c\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u4e22\u5931\u7684\u7528\u6237\u68c0\u67e5\u4e0d\u7ecf\u610f\u5730\u4e3a\u5176\u4ed6\u7528\u6237\u7684\u5916\u90e8\u5b58\u50a8\u914d\u7f6e\u586b\u5145\u4e86\u7528\u6237\u81ea\u5df1\u7684\u51ed\u8bc1\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\u8bbf\u95ee\u63a7\u5236\u9519\u8bef\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Nextcloud Nextcloud \u003c20.0.6"
  },
  "referenceLink": "https://github.com/nextcloud/server/pull/25224",
  "serverity": "\u4e2d",
  "submitTime": "2021-03-10",
  "title": "Nextcloud\u8bbf\u95ee\u63a7\u5236\u9519\u8bef\u6f0f\u6d1e"
}

CVE-2021-22877 (GCVE-0-2021-22877)

Vulnerability from cvelistv5

Published

2021-03-03 17:39

Modified

2024-08-03 18:51

Severity ?

CWE

CWE-284 - Improper Access Control - Generic ()

Summary

A missing user check in Nextcloud prior to 20.0.6 inadvertently populates a user's own credentials for other users external storage configuration when not already configured yet.

References

▼	URL	Tags
	https://hackerone.com/reports/1061591	x_refsource_MISC
	https://nextcloud.com/security/advisory/?id=NC-SA-2021-004	x_refsource_MISC
	https://github.com/nextcloud/server/issues/24600	x_refsource_MISC
	https://github.com/nextcloud/server/pull/25224	x_refsource_MISC
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L6BO6P6MP2MOWA6PZRXX32PLWPXN5O4S/	vendor-advisory, x_refsource_FEDORA

Impacted products

	Vendor	Product	Version
	n/a	Nextcloud Server	Version: Fixed in 20.0.6

Show details on NVD website

JSON

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            "url": "https://github.com/nextcloud/server/issues/24600"
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    "cna": {
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          "vendor": "n/a",
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}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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