cnvd - cnvd-2024-46397

cnvd-2024-46397

Vulnerability from cnvd

Title: Nextcloud资源管理错误漏洞

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存在资源管理错误漏洞，该漏洞源于由于预先发送的HEAD请求，链接引用提供程序可能会被诱骗下载比预期更大的网站，以查找开放图数据。目前没有详细的漏洞细节提供。

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://nextcloud.com/

Reference: https://nvd.nist.gov/vuln/detail/CVE-2024-52520

Impacted products

Name
Nextcloud Nextcloud

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2024-52520",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2024-52520"
    }
  },
  "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\u5b58\u5728\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7531\u4e8e\u9884\u5148\u53d1\u9001\u7684HEAD\u8bf7\u6c42\uff0c\u94fe\u63a5\u5f15\u7528\u63d0\u4f9b\u7a0b\u5e8f\u53ef\u80fd\u4f1a\u88ab\u8bf1\u9a97\u4e0b\u8f7d\u6bd4\u9884\u671f\u66f4\u5927\u7684\u7f51\u7ad9\uff0c\u4ee5\u67e5\u627e\u5f00\u653e\u56fe\u6570\u636e\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\u3002",
  "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://nextcloud.com/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2024-46397",
  "openTime": "2024-11-28",
  "products": {
    "product": "Nextcloud Nextcloud"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2024-52520",
  "serverity": "\u4e2d",
  "submitTime": "2024-11-21",
  "title": "Nextcloud\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e"
}

CVE-2024-52520 (GCVE-0-2024-52520)

Vulnerability from cvelistv5

Published

2024-11-15 16:41

Modified

2024-11-15 17:01

Severity ?

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

CWE

CWE-400 - Uncontrolled Resource Consumption

Summary

Nextcloud Server is a self hosted personal cloud system. Due to a pre-flighted HEAD request, the link reference provider could be tricked into downloading bigger websites than intended, to find open-graph data. It is recommended that the Nextcloud Server is upgraded to 28.0.10 or 29.0.7 and Nextcloud Enterprise Server is upgraded to 27.1.11.8, 28.0.10 or 29.0.7.

References

▼	URL	Tags
	https://github.com/nextcloud/security-advisories/security/advisories/GHSA-pxqf-cfxw-mqmj	x_refsource_CONFIRM
	https://github.com/nextcloud/server/pull/47627	x_refsource_MISC
	https://github.com/nextcloud/server/commit/873c42b0f1383d5b6f2b7a481e1d9620ed30f44a	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	nextcloud	security-advisories	Version: >= 28.0.0, < 28.0.10 Version: >= 29.0.0, < 29.0.7

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2024-52520",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-11-15T17:00:01.088749Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-79",
                "description": "CWE-79 Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-11-15T17:01:01.172Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "security-advisories",
          "vendor": "nextcloud",
          "versions": [
            {
              "status": "affected",
              "version": "\u003e= 28.0.0, \u003c 28.0.10"
            },
            {
              "status": "affected",
              "version": "\u003e= 29.0.0, \u003c 29.0.7"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Nextcloud Server is a self hosted personal cloud system. Due to a pre-flighted HEAD request, the link reference provider could be tricked into downloading bigger websites than intended, to find open-graph data. It is recommended that the Nextcloud Server is upgraded to 28.0.10 or 29.0.7 and Nextcloud Enterprise Server is upgraded to 27.1.11.8, 28.0.10 or 29.0.7."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 5.7,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-400",
              "description": "CWE-400: Uncontrolled Resource Consumption",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-11-15T16:41:42.412Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-pxqf-cfxw-mqmj",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-pxqf-cfxw-mqmj"
        },
        {
          "name": "https://github.com/nextcloud/server/pull/47627",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/nextcloud/server/pull/47627"
        },
        {
          "name": "https://github.com/nextcloud/server/commit/873c42b0f1383d5b6f2b7a481e1d9620ed30f44a",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/nextcloud/server/commit/873c42b0f1383d5b6f2b7a481e1d9620ed30f44a"
        }
      ],
      "source": {
        "advisory": "GHSA-pxqf-cfxw-mqmj",
        "discovery": "UNKNOWN"
      },
      "title": "Nextcloud Server\u0027s link reference provider can be tricked into downloading bigger files than intended"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2024-52520",
    "datePublished": "2024-11-15T16:41:42.412Z",
    "dateReserved": "2024-11-11T18:49:23.559Z",
    "dateUpdated": "2024-11-15T17:01:01.172Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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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