cnvd - cnvd-2021-102889

CNVD-2021-102889

Vulnerability from cnvd - Published: 2021-12-28

Title

Nextcloud访问控制错误漏洞（CNVD-2021-102889）

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 End-to-End Encryption存在访问控制错误漏洞，该漏洞源于访问限制不当。该漏洞允许远程攻击者未经授权访问其他受限功能

Severity

中

Formal description

厂商尚未提供漏洞修复方案，请关注厂商主页更新： https://github.com/nextcloud/security-advisories/security/advisories/GHSA-3829-45wm-ww36/

Reference

https://www.cybersecurity-help.cz/vdb/SB2021060413

Impacted products

Name
['Nextcloud Nextcloud 1.5.0', 'Nextcloud Nextcloud 1.5.2', 'Nextcloud Nextcloud 1.6.1', 'Nextcloud Nextcloud 1.6.2', 'Nextcloud Nextcloud 1.7.0']

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-22906",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-22906"
    }
  },
  "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 End-to-End Encryption\u5b58\u5728\u8bbf\u95ee\u63a7\u5236\u9519\u8bef\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u8bbf\u95ee\u9650\u5236\u4e0d\u5f53\u3002\u8be5\u6f0f\u6d1e\u5141\u8bb8\u8fdc\u7a0b\u653b\u51fb\u8005\u672a\u7ecf\u6388\u6743\u8bbf\u95ee\u5176\u4ed6\u53d7\u9650\u529f\u80fd",
  "formalWay": "\u5382\u5546\u5c1a\u672a\u63d0\u4f9b\u6f0f\u6d1e\u4fee\u590d\u65b9\u6848\uff0c\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u66f4\u65b0\uff1a\r\nhttps://github.com/nextcloud/security-advisories/security/advisories/GHSA-3829-45wm-ww36/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-102889",
  "openTime": "2021-12-28",
  "products": {
    "product": [
      "Nextcloud Nextcloud 1.5.0",
      "Nextcloud Nextcloud 1.5.2",
      "Nextcloud Nextcloud 1.6.1",
      "Nextcloud Nextcloud 1.6.2",
      "Nextcloud Nextcloud 1.7.0"
    ]
  },
  "referenceLink": "https://www.cybersecurity-help.cz/vdb/SB2021060413",
  "serverity": "\u4e2d",
  "submitTime": "2021-06-07",
  "title": "Nextcloud\u8bbf\u95ee\u63a7\u5236\u9519\u8bef\u6f0f\u6d1e\uff08CNVD-2021-102889\uff09"
}

CVE-2021-22906 (GCVE-0-2021-22906)

Vulnerability from cvelistv5 – Published: 2021-06-11 15:49 – Updated: 2024-08-03 18:58

Summary

Nextcloud End-to-End Encryption before 1.5.3, 1.6.3 and 1.7.1 suffers from a denial of service vulnerability due to permitting any authenticated users to lock files of other users.

Severity ?

No CVSS data available.

CWE

CWE-400 - Denial of Service (CWE-400)

Assigner

hackerone

References

URL

Tags

	https://hackerone.com/reports/1189174	x_refsource_MISC
	https://github.com/nextcloud/security-advisories/…	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	n/a	Nextcloud End-to-End Encryption	Affected: Fixed in 1.5.3, 1.6.3, 1.7.1

Show details on NVD website

JSON

To clipboard

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          "dateUpdated": "2024-08-03T18:58:25.587Z",
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            "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-3829-45wm-ww36"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
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          "vendor": "n/a",
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      ],
      "providerMetadata": {
        "dateUpdated": "2021-06-11T15:49:39",
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          "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-3829-45wm-ww36"
        }
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  "cveMetadata": {
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Sightings

Author	Source	Type	Date

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-2021-102889

CVE-2021-22906 (GCVE-0-2021-22906)

Tags

Sightings

Nomenclature