cnvd - cnvd-2021-51804

cnvd-2021-51804

Vulnerability from cnvd

Title: Nextcloud权限许可和访问控制问题漏洞

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在19.0.13、20.011和21.0.3之前的版本中存在权限许可和访问控制问题漏洞，该漏洞源于文件和文件夹的联邦共享不尊重默认共享权限。目前没有详细漏洞细节提供。

Severity: 中

Patch Name: Nextcloud权限许可和访问控制问题漏洞的补丁

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在19.0.13、20.011和21.0.3之前的版本中存在权限许可和访问控制问题漏洞，该漏洞源于文件和文件夹的联邦共享不尊重默认共享权限。目前没有详细漏洞细节提供。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://github.com/nextcloud/security-advisories/security/advisories/GHSA-6f6v-h9x9-jj4v

Reference: https://github.com/nextcloud/security-advisories/security/advisories/GHSA-6f6v-h9x9-jj4v

Impacted products

Name
['Nextcloud Nextcloud Server 19.0.13', 'Nextcloud Nextcloud Server <21.0.3', 'Nextcloud Nextcloud Server 20.011']

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-32725",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-32725"
    }
  },
  "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\u572819.0.13\u300120.011\u548c21.0.3\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u5b58\u5728\u6743\u9650\u8bb8\u53ef\u548c\u8bbf\u95ee\u63a7\u5236\u95ee\u9898\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u6587\u4ef6\u548c\u6587\u4ef6\u5939\u7684\u8054\u90a6\u5171\u4eab\u4e0d\u5c0a\u91cd\u9ed8\u8ba4\u5171\u4eab\u6743\u9650\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\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\uff1a\r\nhttps://github.com/nextcloud/security-advisories/security/advisories/GHSA-6f6v-h9x9-jj4v",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-51804",
  "openTime": "2021-07-19",
  "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\u572819.0.13\u300120.011\u548c21.0.3\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u5b58\u5728\u6743\u9650\u8bb8\u53ef\u548c\u8bbf\u95ee\u63a7\u5236\u95ee\u9898\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u6587\u4ef6\u548c\u6587\u4ef6\u5939\u7684\u8054\u90a6\u5171\u4eab\u4e0d\u5c0a\u91cd\u9ed8\u8ba4\u5171\u4eab\u6743\u9650\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\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\u6743\u9650\u8bb8\u53ef\u548c\u8bbf\u95ee\u63a7\u5236\u95ee\u9898\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Nextcloud Nextcloud Server 19.0.13",
      "Nextcloud Nextcloud Server \u003c21.0.3",
      "Nextcloud Nextcloud Server 20.011"
    ]
  },
  "referenceLink": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-6f6v-h9x9-jj4v",
  "serverity": "\u4e2d",
  "submitTime": "2021-07-15",
  "title": "Nextcloud\u6743\u9650\u8bb8\u53ef\u548c\u8bbf\u95ee\u63a7\u5236\u95ee\u9898\u6f0f\u6d1e"
}

CVE-2021-32725 (GCVE-0-2021-32725)

Vulnerability from cvelistv5

Published

2021-07-12 19:30

Modified

2024-08-03 23:33

Severity ?

3.5 (Low) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N

CWE

CWE-277 - Insecure Inherited Permissions

Summary

Nextcloud Server is a Nextcloud package that handles data storage. In versions prior to 19.0.13, 20.011, and 21.0.3, default share permissions were not being respected for federated reshares of files and folders. The issue was fixed in versions 19.0.13, 20.0.11, and 21.0.3. There are no known workarounds.

References

▼	URL	Tags
	https://github.com/nextcloud/security-advisories/security/advisories/GHSA-6f6v-h9x9-jj4v	x_refsource_CONFIRM
	https://github.com/nextcloud/server/pull/26946	x_refsource_MISC
	https://hackerone.com/reports/1178320	x_refsource_MISC
	https://security.gentoo.org/glsa/202208-17	vendor-advisory, x_refsource_GENTOO

Impacted products

	Vendor	Product	Version
	nextcloud	security-advisories	Version: < 19.0.13 Version: >= 20.0.0, < 20.0.11 Version: >= 21.0.0, < 21.0.3

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T23:33:54.874Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
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        "references": [
          {
            "tags": [
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              "x_transferred"
            ],
            "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-6f6v-h9x9-jj4v"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/nextcloud/server/pull/26946"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://hackerone.com/reports/1178320"
          },
          {
            "name": "GLSA-202208-17",
            "tags": [
              "vendor-advisory",
              "x_refsource_GENTOO",
              "x_transferred"
            ],
            "url": "https://security.gentoo.org/glsa/202208-17"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "security-advisories",
          "vendor": "nextcloud",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 19.0.13"
            },
            {
              "status": "affected",
              "version": "\u003e= 20.0.0, \u003c 20.0.11"
            },
            {
              "status": "affected",
              "version": "\u003e= 21.0.0, \u003c 21.0.3"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Nextcloud Server is a Nextcloud package that handles data storage. In versions prior to 19.0.13, 20.011, and 21.0.3, default share permissions were not being respected for federated reshares of files and folders. The issue was fixed in versions 19.0.13, 20.0.11, and 21.0.3. There are no known workarounds."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 3.5,
            "baseSeverity": "LOW",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-277",
              "description": "CWE-277: Insecure Inherited Permissions",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-08-11T00:08:31",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-6f6v-h9x9-jj4v"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/nextcloud/server/pull/26946"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://hackerone.com/reports/1178320"
        },
        {
          "name": "GLSA-202208-17",
          "tags": [
            "vendor-advisory",
            "x_refsource_GENTOO"
          ],
          "url": "https://security.gentoo.org/glsa/202208-17"
        }
      ],
      "source": {
        "advisory": "GHSA-6f6v-h9x9-jj4v",
        "discovery": "UNKNOWN"
      },
      "title": "Default share permissions not respected for federated reshares",
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security-advisories@github.com",
          "ID": "CVE-2021-32725",
          "STATE": "PUBLIC",
          "TITLE": "Default share permissions not respected for federated reshares"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "security-advisories",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "\u003c 19.0.13"
                          },
                          {
                            "version_value": "\u003e= 20.0.0, \u003c 20.0.11"
                          },
                          {
                            "version_value": "\u003e= 21.0.0, \u003c 21.0.3"
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        },
        "impact": {
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            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
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            "privilegesRequired": "LOW",
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            "userInteraction": "REQUIRED",
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        "problemtype": {
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                  "lang": "eng",
                  "value": "CWE-277: Insecure Inherited Permissions"
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        "references": {
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            },
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    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2021-32725",
    "datePublished": "2021-07-12T19:30:14",
    "dateReserved": "2021-05-12T00:00:00",
    "dateUpdated": "2024-08-03T23:33:54.874Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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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