Vulnerability-Lookup

CNVD-2024-31492

Vulnerability from cnvd - Published: 2024-07-11

Title

Nextcloud Calendar存在未明漏洞（CNVD-2024-31492）

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 Calendar存在安全漏洞，经过身份验证的攻击者可以利用该漏洞通过活动创建，创建链接到其他网站的附件。

Severity

中

Patch Name

Nextcloud存在未明漏洞（CNVD-2024-31492）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 Calendar存在安全漏洞，经过身份验证的攻击者可以利用该漏洞通过活动创建，创建链接到其他网站的附件。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-2r7q-vfmv-79qf

Reference

https://nvd.nist.gov/vuln/detail/CVE-2024-37316

Impacted products

Name
['Nextcloud Nextcloud Calendar <4.6.8', 'Nextcloud Nextcloud Calendar <4.7.2']

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2024-37316",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2024-37316"
    }
  },
  "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 Calendar\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u7ecf\u8fc7\u8eab\u4efd\u9a8c\u8bc1\u7684\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u6d3b\u52a8\u521b\u5efa\uff0c\u521b\u5efa\u94fe\u63a5\u5230\u5176\u4ed6\u7f51\u7ad9\u7684\u9644\u4ef6\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-2r7q-vfmv-79qf",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2024-31492",
  "openTime": "2024-07-11",
  "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 Calendar\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u7ecf\u8fc7\u8eab\u4efd\u9a8c\u8bc1\u7684\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u6d3b\u52a8\u521b\u5efa\uff0c\u521b\u5efa\u94fe\u63a5\u5230\u5176\u4ed6\u7f51\u7ad9\u7684\u9644\u4ef6\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-2024-31492\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Nextcloud Nextcloud Calendar \u003c4.6.8",
      "Nextcloud Nextcloud Calendar \u003c4.7.2"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2024-37316",
  "serverity": "\u4e2d",
  "submitTime": "2024-06-21",
  "title": "Nextcloud Calendar\u5b58\u5728\u672a\u660e\u6f0f\u6d1e\uff08CNVD-2024-31492\uff09"
}

CVE-2024-37316 (GCVE-0-2024-37316)

Vulnerability from cvelistv5 – Published: 2024-06-14 15:23 – Updated: 2024-08-02 03:50

Title

Nextcloud Calendar's event create can create attachments that link to other websites

Summary

Nextcloud Calendar is a calendar app for Nextcloud. Authenticated users could create an event with manipulated attachment data leading to a bad redirect for participants when clicked. It is recommended that the Nextcloud Calendar App is upgraded to 4.6.8 or 4.7.2.

Severity

4.6 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-07-12 19:03 UTC

CWE

CWE-241 - Improper Handling of Unexpected Data Type

Assigner

GitHub_M mitre root

References

3 references

URL	Tags
https://github.com/nextcloud/security-advisories/…	x_refsource_CONFIRM
https://github.com/nextcloud/calendar/pull/5966	x_refsource_MISC
https://hackerone.com/reports/2457588	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
nextcloud	security-advisories	Affected: >= 4.3.0, < 4.6.8 Affected: >= 4.7.0, < 4.7.2

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2024-37316",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-07-12T19:03:58.800051Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
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        ],
        "providerMetadata": {
          "dateUpdated": "2024-07-12T19:04:06.344Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T03:50:56.106Z",
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        "references": [
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            ],
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          },
          {
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            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/nextcloud/calendar/pull/5966"
          },
          {
            "name": "https://hackerone.com/reports/2457588",
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://hackerone.com/reports/2457588"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
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          "vendor": "nextcloud",
          "versions": [
            {
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            },
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        }
      ],
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          "value": "Nextcloud Calendar is a calendar app for Nextcloud. Authenticated users could create an event with manipulated attachment data leading to a bad redirect for participants when clicked. It is recommended that the Nextcloud Calendar App is upgraded to 4.6.8 or 4.7.2."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 4.6,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N",
            "version": "3.1"
          }
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      ],
      "problemTypes": [
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          "descriptions": [
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          "tags": [
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          ],
          "url": "https://github.com/nextcloud/calendar/pull/5966"
        },
        {
          "name": "https://hackerone.com/reports/2457588",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://hackerone.com/reports/2457588"
        }
      ],
      "source": {
        "advisory": "GHSA-2r7q-vfmv-79qf",
        "discovery": "UNKNOWN"
      },
      "title": "Nextcloud Calendar\u0027s event create can create attachments that link to other websites"
    }
  },
  "cveMetadata": {
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    "assignerShortName": "GitHub_M",
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    "datePublished": "2024-06-14T15:23:12.705Z",
    "dateReserved": "2024-06-05T20:10:46.498Z",
    "dateUpdated": "2024-08-02T03:50:56.106Z",
    "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.