cnvd - cnvd-2020-64589

cnvd-2020-64589

Vulnerability from cnvd

Title: Nextcloud Server授权问题漏洞（CNVD-2020-64589）

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 19.0.1中存在授权问题漏洞，该漏洞源于错误配置使用户感到无密码的WebAuthn也是双重验证，即询问无密码的WebAuthn的PIN而未进行验证。目前没有详细漏洞细节提供。

Severity: 中

Patch Name: Nextcloud Server授权问题漏洞（CNVD-2020-64589）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 19.0.1中存在授权问题漏洞，该漏洞源于错误配置使用户感到无密码的WebAuthn也是双重验证，即询问无密码的WebAuthn的PIN而未进行验证。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://www.moxa.com/en/support/support/security-advisory/vport-461-series-industrial-video-servers-vulnerabilities

Reference: https://nvd.nist.gov/vuln/detail/CVE-2020-8236

Impacted products

Name
Nextcloud Nextcloud Server 19.0.1

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-8236",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-8236"
    }
  },
  "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 19.0.1\u4e2d\u5b58\u5728\u6388\u6743\u95ee\u9898\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u9519\u8bef\u914d\u7f6e\u4f7f\u7528\u6237\u611f\u5230\u65e0\u5bc6\u7801\u7684WebAuthn\u4e5f\u662f\u53cc\u91cd\u9a8c\u8bc1\uff0c\u5373\u8be2\u95ee\u65e0\u5bc6\u7801\u7684WebAuthn\u7684PIN\u800c\u672a\u8fdb\u884c\u9a8c\u8bc1\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://www.moxa.com/en/support/support/security-advisory/vport-461-series-industrial-video-servers-vulnerabilities",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-64589",
  "openTime": "2020-11-19",
  "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 19.0.1\u4e2d\u5b58\u5728\u6388\u6743\u95ee\u9898\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u9519\u8bef\u914d\u7f6e\u4f7f\u7528\u6237\u611f\u5230\u65e0\u5bc6\u7801\u7684WebAuthn\u4e5f\u662f\u53cc\u91cd\u9a8c\u8bc1\uff0c\u5373\u8be2\u95ee\u65e0\u5bc6\u7801\u7684WebAuthn\u7684PIN\u800c\u672a\u8fdb\u884c\u9a8c\u8bc1\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 Server\u6388\u6743\u95ee\u9898\u6f0f\u6d1e\uff08CNVD-2020-64589\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Nextcloud Nextcloud Server 19.0.1"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-8236",
  "serverity": "\u4e2d",
  "submitTime": "2020-11-03",
  "title": "Nextcloud Server\u6388\u6743\u95ee\u9898\u6f0f\u6d1e\uff08CNVD-2020-64589\uff09"
}

CVE-2020-8236 (GCVE-0-2020-8236)

Vulnerability from cvelistv5

Published

2020-10-30 18:11

Modified

2024-08-04 09:56

Severity ?

CWE

CWE-287 - Improper Authentication - Generic ()

Summary

A wrong configuration in Nextcloud Server 19.0.1 incorrectly made the user feel the passwordless WebAuthn is also a two factor verification by asking for the PIN of the passwordless WebAuthn but not verifying it.

References

▼	URL	Tags
	https://hackerone.com/reports/924393	x_refsource_MISC
	https://nextcloud.com/security/advisory/?id=NC-SA-2020-037	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	n/a	Nextcloud Server	Version: 19.0.2

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T09:56:27.950Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        "references": [
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              "x_transferred"
            ],
            "url": "https://hackerone.com/reports/924393"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://nextcloud.com/security/advisory/?id=NC-SA-2020-037"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Nextcloud Server",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "19.0.2"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A wrong configuration in Nextcloud Server 19.0.1 incorrectly made the user feel the passwordless WebAuthn is also a two factor verification by asking for the PIN of the passwordless WebAuthn but not verifying it."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-287",
              "description": "Improper Authentication - Generic (CWE-287)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-10-30T18:11:49",
        "orgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
        "shortName": "hackerone"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://hackerone.com/reports/924393"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://nextcloud.com/security/advisory/?id=NC-SA-2020-037"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "support@hackerone.com",
          "ID": "CVE-2020-8236",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Nextcloud Server",
                      "version": {
                        "version_data": [
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                "vendor_name": "n/a"
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        "data_version": "4.0",
        "description": {
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              "value": "A wrong configuration in Nextcloud Server 19.0.1 incorrectly made the user feel the passwordless WebAuthn is also a two factor verification by asking for the PIN of the passwordless WebAuthn but not verifying it."
            }
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        "problemtype": {
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                  "value": "Improper Authentication - Generic (CWE-287)"
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        },
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              "refsource": "MISC",
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            },
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  },
  "cveMetadata": {
    "assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
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    "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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