Vulnerability-Lookup

CNVD-2021-13196

Vulnerability from cnvd - Published: 2021-02-26

Title

Nextcloud Social app访问控制错误漏洞

Description

Nextcloud Nextcloud Social app是德国Nextcloud公司的一个应用于社交的应用软件。 Nextcloud Social app在0.3.1版本存在访问控制错误漏洞。该漏洞与受影响版本的控制系统未正确处理用户访问请求有关。通过程序对敏感功能无任何访问控制，而依赖URL的隐蔽性和不可猜测性进行访问控制，但是功能链接可能在其他公开位置，网站通过对管理员页面进行了复杂命名，无法通过猜测和爆破发现，但是在响应消息中发现该URL。攻击者可利用该漏洞阅读任何用户的帖子。

Severity

中

Patch Name

Nextcloud Social app访问控制错误漏洞的补丁

Patch Description

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://nextcloud.com/security/advisory/?id=NC-SA-2020-042

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-8278

Impacted products

Name
Nextcloud Nextcloud Social app 0.3.1

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-8278",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-8278"
    }
  },
  "description": "Nextcloud Nextcloud Social app\u662f\u5fb7\u56fdNextcloud\u516c\u53f8\u7684\u4e00\u4e2a\u5e94\u7528\u4e8e\u793e\u4ea4\u7684\u5e94\u7528\u8f6f\u4ef6\u3002\n\nNextcloud Social app\u57280.3.1\u7248\u672c\u5b58\u5728\u8bbf\u95ee\u63a7\u5236\u9519\u8bef\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u4e0e\u53d7\u5f71\u54cd\u7248\u672c\u7684\u63a7\u5236\u7cfb\u7edf\u672a\u6b63\u786e\u5904\u7406\u7528\u6237\u8bbf\u95ee\u8bf7\u6c42\u6709\u5173\u3002\u901a\u8fc7\u7a0b\u5e8f\u5bf9\u654f\u611f\u529f\u80fd\u65e0\u4efb\u4f55\u8bbf\u95ee\u63a7\u5236\uff0c\u800c\u4f9d\u8d56URL\u7684\u9690\u853d\u6027\u548c\u4e0d\u53ef\u731c\u6d4b\u6027\u8fdb\u884c\u8bbf\u95ee\u63a7\u5236\uff0c\u4f46\u662f\u529f\u80fd\u94fe\u63a5\u53ef\u80fd\u5728\u5176\u4ed6\u516c\u5f00\u4f4d\u7f6e\uff0c\u7f51\u7ad9\u901a\u8fc7\u5bf9\u7ba1\u7406\u5458\u9875\u9762\u8fdb\u884c\u4e86\u590d\u6742\u547d\u540d\uff0c\u65e0\u6cd5\u901a\u8fc7\u731c\u6d4b\u548c\u7206\u7834\u53d1\u73b0\uff0c\u4f46\u662f\u5728\u54cd\u5e94\u6d88\u606f\u4e2d\u53d1\u73b0\u8be5URL\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9605\u8bfb\u4efb\u4f55\u7528\u6237\u7684\u5e16\u5b50\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://nextcloud.com/security/advisory/?id=NC-SA-2020-042",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-13196",
  "openTime": "2021-02-26",
  "patchDescription": "Nextcloud Nextcloud Social app\u662f\u5fb7\u56fdNextcloud\u516c\u53f8\u7684\u4e00\u4e2a\u5e94\u7528\u4e8e\u793e\u4ea4\u7684\u5e94\u7528\u8f6f\u4ef6\u3002\r\n\r\nNextcloud Social app\u57280.3.1\u7248\u672c\u5b58\u5728\u8bbf\u95ee\u63a7\u5236\u9519\u8bef\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u4e0e\u53d7\u5f71\u54cd\u7248\u672c\u7684\u63a7\u5236\u7cfb\u7edf\u672a\u6b63\u786e\u5904\u7406\u7528\u6237\u8bbf\u95ee\u8bf7\u6c42\u6709\u5173\u3002\u901a\u8fc7\u7a0b\u5e8f\u5bf9\u654f\u611f\u529f\u80fd\u65e0\u4efb\u4f55\u8bbf\u95ee\u63a7\u5236\uff0c\u800c\u4f9d\u8d56URL\u7684\u9690\u853d\u6027\u548c\u4e0d\u53ef\u731c\u6d4b\u6027\u8fdb\u884c\u8bbf\u95ee\u63a7\u5236\uff0c\u4f46\u662f\u529f\u80fd\u94fe\u63a5\u53ef\u80fd\u5728\u5176\u4ed6\u516c\u5f00\u4f4d\u7f6e\uff0c\u7f51\u7ad9\u901a\u8fc7\u5bf9\u7ba1\u7406\u5458\u9875\u9762\u8fdb\u884c\u4e86\u590d\u6742\u547d\u540d\uff0c\u65e0\u6cd5\u901a\u8fc7\u731c\u6d4b\u548c\u7206\u7834\u53d1\u73b0\uff0c\u4f46\u662f\u5728\u54cd\u5e94\u6d88\u606f\u4e2d\u53d1\u73b0\u8be5URL\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9605\u8bfb\u4efb\u4f55\u7528\u6237\u7684\u5e16\u5b50\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 Social app\u8bbf\u95ee\u63a7\u5236\u9519\u8bef\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Nextcloud Nextcloud Social app 0.3.1"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-8278",
  "serverity": "\u4e2d",
  "submitTime": "2020-11-23",
  "title": "Nextcloud Social app\u8bbf\u95ee\u63a7\u5236\u9519\u8bef\u6f0f\u6d1e"
}

CVE-2020-8278 (GCVE-0-2020-8278)

Vulnerability from cvelistv5 – Published: 2020-11-19 00:32 – Updated: 2024-08-04 09:56

Summary

Improper access control in Nextcloud Social app version 0.3.1 allowed to read posts of any user.

Severity ?

No CVSS data available.

CWE

CWE-284 - Improper Access Control - Generic (CWE-284)

Assigner

hackerone

References

URL

Tags

	https://hackerone.com/reports/921717	x_refsource_MISC
	https://nextcloud.com/security/advisory/?id=NC-SA…	x_refsource_CONFIRM

Impacted products

	Vendor	Product	Version
	n/a	Nextcloud Social	Affected: Affects v0.3.1 Affected: Fixed in v0.4.0

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T09:56:28.280Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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              "x_transferred"
            ],
            "url": "https://hackerone.com/reports/921717"
          },
          {
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              "x_transferred"
            ],
            "url": "https://nextcloud.com/security/advisory/?id=NC-SA-2020-042"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Nextcloud Social",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "Affects v0.3.1"
            },
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              "version": "Fixed in v0.4.0"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Improper access control in Nextcloud Social app version 0.3.1 allowed to read posts of any user."
        }
      ],
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          "descriptions": [
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              "cweId": "CWE-284",
              "description": "Improper Access Control - Generic (CWE-284)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-11-19T00:32:35.000Z",
        "orgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
        "shortName": "hackerone"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://hackerone.com/reports/921717"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://nextcloud.com/security/advisory/?id=NC-SA-2020-042"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "support@hackerone.com",
          "ID": "CVE-2020-8278",
          "STATE": "PUBLIC"
        },
        "affects": {
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            "vendor_data": [
              {
                "product": {
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                    {
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                      "version": {
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                          },
                          {
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                "vendor_name": "n/a"
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            }
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                  "lang": "eng",
                  "value": "Improper Access Control - Generic (CWE-284)"
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        },
        "references": {
          "reference_data": [
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              "url": "https://nextcloud.com/security/advisory/?id=NC-SA-2020-042"
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  "cveMetadata": {
    "assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
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    "dateReserved": "2020-01-28T00:00:00.000Z",
    "dateUpdated": "2024-08-04T09:56:28.280Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

CNVD-2021-13196

CVE-2020-8278 (GCVE-0-2020-8278)

Tags

Sightings

Nomenclature