Vulnerability-Lookup

CNVD-2024-29654

Vulnerability from cnvd - Published: 2024-06-27

Title

Nextcloud存在未明漏洞（CNVD-2024-29654）

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存在安全漏洞，该漏洞源于具有读取和共享权限的共享接收者可以以更多权限重新共享该项目。目前没有详细的漏洞细节提供。

Severity

高

Patch Name

Nextcloud存在未明漏洞（CNVD-2024-29654）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存在安全漏洞，该漏洞源于具有读取和共享权限的共享接收者可以以更多权限重新共享该项目。目前没有详细的漏洞细节提供。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

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-jjm3-j9xh-5xmq

Reference

https://nvd.nist.gov/vuln/detail/CVE-2024-37882

Impacted products

Name
['Nextcloud Nextcloud Server <26.0.13', 'Nextcloud Nextcloud Server <27.1.8', 'Nextcloud Nextcloud Server <28.0.4', 'Nextcloud Nextcloud Enterprise Server <26.0.13', 'Nextcloud Nextcloud Enterprise Server <27.1.8', 'Nextcloud Nextcloud Enterprise Server <28.0.4']

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JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2024-37882",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2024-37882"
    }
  },
  "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\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5177\u6709\u8bfb\u53d6\u548c\u5171\u4eab\u6743\u9650\u7684\u5171\u4eab\u63a5\u6536\u8005\u53ef\u4ee5\u4ee5\u66f4\u591a\u6743\u9650\u91cd\u65b0\u5171\u4eab\u8be5\u9879\u76ee\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\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-jjm3-j9xh-5xmq",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2024-29654",
  "openTime": "2024-06-27",
  "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\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5177\u6709\u8bfb\u53d6\u548c\u5171\u4eab\u6743\u9650\u7684\u5171\u4eab\u63a5\u6536\u8005\u53ef\u4ee5\u4ee5\u66f4\u591a\u6743\u9650\u91cd\u65b0\u5171\u4eab\u8be5\u9879\u76ee\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\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\u5b58\u5728\u672a\u660e\u6f0f\u6d1e\uff08CNVD-2024-29654\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Nextcloud Nextcloud Server \u003c26.0.13",
      "Nextcloud Nextcloud Server \u003c27.1.8",
      "Nextcloud Nextcloud Server \u003c28.0.4",
      "Nextcloud Nextcloud Enterprise Server \u003c26.0.13",
      "Nextcloud Nextcloud Enterprise Server \u003c27.1.8",
      "Nextcloud Nextcloud Enterprise Server \u003c28.0.4"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2024-37882",
  "serverity": "\u9ad8",
  "submitTime": "2024-06-21",
  "title": "Nextcloud\u5b58\u5728\u672a\u660e\u6f0f\u6d1e\uff08CNVD-2024-29654\uff09"
}

CVE-2024-37882 (GCVE-0-2024-37882)

Vulnerability from cvelistv5 – Published: 2024-06-14 15:28 – Updated: 2024-08-02 03:57

Title

Nextcloud Server can reshare read&share only folder with more permissions

Summary

Nextcloud Server is a self hosted personal cloud system. A recipient of a share with read&share permissions could reshare the item with more permissions. It is recommended that the Nextcloud Server is upgraded to 26.0.13 or 27.1.8 or 28.0.4 and that the Nextcloud Enterprise Server is upgraded to 26.0.13 or 27.1.8 or 28.0.4.

Severity

8.1 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-06-14 20:09 UTC

CWE

CWE-284 - Improper Access Control

Assigner

GitHub_M mitre root

References

3 references

URL	Tags
https://github.com/nextcloud/security-advisories/…	x_refsource_CONFIRM
https://github.com/nextcloud/server/pull/44339	x_refsource_MISC
https://hackerone.com/reports/2289425	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
nextcloud	security-advisories	Affected: >= 26.0.0, < 26.0.13 Affected: >= 27.0.0, < 27.1.8 Affected: >= 28.0.0, < 28.0.4

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JSON

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2024-37882",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-06-14T20:09:57.594506Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-06-14T20:10:15.423Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T03:57:39.988Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-jjm3-j9xh-5xmq",
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-jjm3-j9xh-5xmq"
          },
          {
            "name": "https://github.com/nextcloud/server/pull/44339",
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/nextcloud/server/pull/44339"
          },
          {
            "name": "https://hackerone.com/reports/2289425",
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://hackerone.com/reports/2289425"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "security-advisories",
          "vendor": "nextcloud",
          "versions": [
            {
              "status": "affected",
              "version": "\u003e= 26.0.0, \u003c 26.0.13"
            },
            {
              "status": "affected",
              "version": "\u003e= 27.0.0, \u003c 27.1.8"
            },
            {
              "status": "affected",
              "version": "\u003e= 28.0.0, \u003c 28.0.4"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Nextcloud Server is a self hosted personal cloud system. A recipient of a share with read\u0026share permissions could reshare the item with more permissions. It is recommended that the Nextcloud Server is upgraded to 26.0.13 or 27.1.8 or 28.0.4 and that the Nextcloud Enterprise Server is upgraded to 26.0.13 or 27.1.8 or 28.0.4."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.1,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-284",
              "description": "CWE-284: Improper Access Control",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-06-14T15:28:00.462Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-jjm3-j9xh-5xmq",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-jjm3-j9xh-5xmq"
        },
        {
          "name": "https://github.com/nextcloud/server/pull/44339",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/nextcloud/server/pull/44339"
        },
        {
          "name": "https://hackerone.com/reports/2289425",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://hackerone.com/reports/2289425"
        }
      ],
      "source": {
        "advisory": "GHSA-jjm3-j9xh-5xmq",
        "discovery": "UNKNOWN"
      },
      "title": "Nextcloud Server can reshare read\u0026share only folder with more permissions"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2024-37882",
    "datePublished": "2024-06-14T15:28:00.462Z",
    "dateReserved": "2024-06-10T19:54:41.359Z",
    "dateUpdated": "2024-08-02T03:57:39.988Z",
    "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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.