cnvd - cnvd-2021-102887

cnvd-2021-102887

Vulnerability from cnvd

Title: Nextcloud Circles授权问题漏洞漏洞

Description:

Nextcloud Circles是德国Nextcloud公司为Nextcloud生态系统构建的开源社交网络。

Nextcloud Circles在0.19.15、0.20.11和0.21.4之前版本存在授权问题漏洞，该漏洞源于Nextcloud Circles应用程序允许任何用户加入任何“秘密圈子”，而无需征得圈子所有者的同意，攻击者可利用此漏洞加入圈子获取私人信息。

Severity: 中

Patch Name: Nextcloud Circles授权问题漏洞漏洞的补丁

Patch Description:

Nextcloud Circles是德国Nextcloud公司为Nextcloud生态系统构建的开源社交网络。

Nextcloud Circles在0.19.15、0.20.11和0.21.4之前版本存在授权问题漏洞，该漏洞源于Nextcloud Circles应用程序允许任何用户加入任何“秘密圈子”，而无需征得圈子所有者的同意，攻击者可利用此漏洞加入圈子获取私人信息。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:

厂商已发布了漏洞修复程序，请及时关注更新： https://github.com/nextcloud/security-advisories/security/advisories/GHSA-56j9-3rj4-wvgm

Reference: https://github.com/nextcloud/security-advisories/security/advisories/GHSA-56j9-3rj4-wvgm

Impacted products

Name
['Nextcloud Nextcloud <0.19.15', 'Nextcloud Nextcloud <0.20.11', 'Nextcloud Nextcloud <0.21.4']

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-37630",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-37630"
    }
  },
  "description": "Nextcloud Circles\u662f\u5fb7\u56fdNextcloud\u516c\u53f8\u4e3aNextcloud\u751f\u6001\u7cfb\u7edf\u6784\u5efa\u7684\u5f00\u6e90\u793e\u4ea4\u7f51\u7edc\u3002\n\nNextcloud Circles\u57280.19.15\u30010.20.11\u548c0.21.4\u4e4b\u524d\u7248\u672c\u5b58\u5728\u6388\u6743\u95ee\u9898\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eNextcloud Circles\u5e94\u7528\u7a0b\u5e8f\u5141\u8bb8\u4efb\u4f55\u7528\u6237\u52a0\u5165\u4efb\u4f55\u201c\u79d8\u5bc6\u5708\u5b50\u201d\uff0c\u800c\u65e0\u9700\u5f81\u5f97\u5708\u5b50\u6240\u6709\u8005\u7684\u540c\u610f\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u6b64\u6f0f\u6d1e\u52a0\u5165\u5708\u5b50\u83b7\u53d6\u79c1\u4eba\u4fe1\u606f\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://github.com/nextcloud/security-advisories/security/advisories/GHSA-56j9-3rj4-wvgm",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-102887",
  "openTime": "2021-12-28",
  "patchDescription": "Nextcloud Circles\u662f\u5fb7\u56fdNextcloud\u516c\u53f8\u4e3aNextcloud\u751f\u6001\u7cfb\u7edf\u6784\u5efa\u7684\u5f00\u6e90\u793e\u4ea4\u7f51\u7edc\u3002\r\n\r\nNextcloud Circles\u57280.19.15\u30010.20.11\u548c0.21.4\u4e4b\u524d\u7248\u672c\u5b58\u5728\u6388\u6743\u95ee\u9898\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eNextcloud Circles\u5e94\u7528\u7a0b\u5e8f\u5141\u8bb8\u4efb\u4f55\u7528\u6237\u52a0\u5165\u4efb\u4f55\u201c\u79d8\u5bc6\u5708\u5b50\u201d\uff0c\u800c\u65e0\u9700\u5f81\u5f97\u5708\u5b50\u6240\u6709\u8005\u7684\u540c\u610f\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u6b64\u6f0f\u6d1e\u52a0\u5165\u5708\u5b50\u83b7\u53d6\u79c1\u4eba\u4fe1\u606f\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 Circles\u6388\u6743\u95ee\u9898\u6f0f\u6d1e\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
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  "referenceLink": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-56j9-3rj4-wvgm",
  "serverity": "\u4e2d",
  "submitTime": "2021-09-09",
  "title": "Nextcloud Circles\u6388\u6743\u95ee\u9898\u6f0f\u6d1e\u6f0f\u6d1e"
}

CVE-2021-37630 (GCVE-0-2021-37630)

Vulnerability from cvelistv5

Published

2021-09-07 20:00

Modified

2024-08-04 01:23

Severity ?

6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CWE

CWE-639 - Authorization Bypass Through User-Controlled Key

Summary

Nextcloud Circles is an open source social network built for the nextcloud ecosystem. In affected versions the Nextcloud Circles application allowed any user to join any "Secret Circle" without approval by the Circle owner leaking private information. It is recommended that Nextcloud Circles is upgraded to 0.19.15, 0.20.11 or 0.21.4. There are no workarounds for this issue.

References

▼	URL	Tags
	https://github.com/nextcloud/security-advisories/security/advisories/GHSA-56j9-3rj4-wvgm	x_refsource_CONFIRM
	https://github.com/nextcloud/circles/pull/768	x_refsource_MISC
	https://hackerone.com/reports/1257624	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	nextcloud	security-advisories	Version: < 0.19.15 Version: >= 0.20.0, < 0.20.11 Version: >= 0.21.0, < 0.21.4

Show details on NVD website

JSON

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          "dateUpdated": "2024-08-04T01:23:01.297Z",
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            "url": "https://hackerone.com/reports/1257624"
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        ],
        "title": "CVE Program Container"
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    ],
    "cna": {
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          "product": "security-advisories",
          "vendor": "nextcloud",
          "versions": [
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              "version": "\u003c 0.19.15"
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              "version": "\u003e= 0.21.0, \u003c 0.21.4"
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        }
      ],
      "descriptions": [
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          "lang": "en",
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        }
      ],
      "metrics": [
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          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
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            "confidentialityImpact": "HIGH",
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            "userInteraction": "NONE",
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            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
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          "descriptions": [
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              "cweId": "CWE-639",
              "description": "CWE-639: Authorization Bypass Through User-Controlled Key",
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      ],
      "source": {
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        "discovery": "UNKNOWN"
      },
      "title": "Secret Circle can be joined without approval in Nextcloud Circles",
      "x_legacyV4Record": {
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        },
        "affects": {
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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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