Vulnerability-Lookup

CNVD-2021-18359

Vulnerability from cnvd - Published: 2021-03-18

Title

OwnCloud权限许可和访问控制问题漏洞（CNVD-2021-18359）

Description

OwnCloud OwnCloud是美国OwnCloud（Owncloud）公司的一套个人云存储解决方案。 OwnCloud Server中存在权限许可和访问控制问题漏洞，攻击者可通过发送可预测ID号的请求利用该漏洞访问任何文件的任何版本。

Severity

低

Patch Name

OwnCloud权限许可和访问控制问题漏洞（CNVD-2021-18359）的补丁

Patch Description

OwnCloud OwnCloud是美国OwnCloud（Owncloud）公司的一套个人云存储解决方案。 OwnCloud Server中存在权限许可和访问控制问题漏洞，攻击者可通过发送可预测ID号的请求利用该漏洞访问任何文件的任何版本。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

厂商已提供漏洞修补方案，请关注厂商主页及时更新： https://owncloud.com/security-advisories/access-to-all-file-versions/

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-36252

Impacted products

Name
OwnCloud ownCloud Server 10.*，<10.3.1

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-36252",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-36252"
    }
  },
  "description": "OwnCloud OwnCloud\u662f\u7f8e\u56fdOwnCloud\uff08Owncloud\uff09\u516c\u53f8\u7684\u4e00\u5957\u4e2a\u4eba\u4e91\u5b58\u50a8\u89e3\u51b3\u65b9\u6848\u3002\n\nOwnCloud Server\u4e2d\u5b58\u5728\u6743\u9650\u8bb8\u53ef\u548c\u8bbf\u95ee\u63a7\u5236\u95ee\u9898\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u53d1\u9001\u53ef\u9884\u6d4bID\u53f7\u7684\u8bf7\u6c42\u5229\u7528\u8be5\u6f0f\u6d1e\u8bbf\u95ee\u4efb\u4f55\u6587\u4ef6\u7684\u4efb\u4f55\u7248\u672c\u3002",
  "formalWay": "\u5382\u5546\u5df2\u63d0\u4f9b\u6f0f\u6d1e\u4fee\u8865\u65b9\u6848\uff0c\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u53ca\u65f6\u66f4\u65b0\uff1a\r\nhttps://owncloud.com/security-advisories/access-to-all-file-versions/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-18359",
  "openTime": "2021-03-18",
  "patchDescription": "OwnCloud OwnCloud\u662f\u7f8e\u56fdOwnCloud\uff08Owncloud\uff09\u516c\u53f8\u7684\u4e00\u5957\u4e2a\u4eba\u4e91\u5b58\u50a8\u89e3\u51b3\u65b9\u6848\u3002\r\n\r\nOwnCloud Server\u4e2d\u5b58\u5728\u6743\u9650\u8bb8\u53ef\u548c\u8bbf\u95ee\u63a7\u5236\u95ee\u9898\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u53d1\u9001\u53ef\u9884\u6d4bID\u53f7\u7684\u8bf7\u6c42\u5229\u7528\u8be5\u6f0f\u6d1e\u8bbf\u95ee\u4efb\u4f55\u6587\u4ef6\u7684\u4efb\u4f55\u7248\u672c\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": "OwnCloud\u6743\u9650\u8bb8\u53ef\u548c\u8bbf\u95ee\u63a7\u5236\u95ee\u9898\u6f0f\u6d1e\uff08CNVD-2021-18359\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "OwnCloud ownCloud Server 10.*\uff0c\u003c10.3.1"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-36252",
  "serverity": "\u4f4e",
  "submitTime": "2021-03-09",
  "title": "OwnCloud\u6743\u9650\u8bb8\u53ef\u548c\u8bbf\u95ee\u63a7\u5236\u95ee\u9898\u6f0f\u6d1e\uff08CNVD-2021-18359\uff09"
}

CVE-2020-36252 (GCVE-0-2020-36252)

Vulnerability from cvelistv5 – Published: 2021-02-19 06:59 – Updated: 2024-08-04 17:23

Summary

ownCloud Server 10.x before 10.3.1 allows an attacker, who has one outgoing share from a victim, to access any version of any file by sending a request for a predictable ID number.

Severity

6.8 (Medium)


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

CWE

Assigner

mitre mitre root

References

1 reference

URL	Tags
https://owncloud.com/security-advisories/access-t…	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T17:23:09.846Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://owncloud.com/security-advisories/access-to-all-file-versions/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
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          "product": "n/a",
          "vendor": "n/a",
          "versions": [
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              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "ownCloud Server 10.x before 10.3.1 allows an attacker, who has one outgoing share from a victim, to access any version of any file by sending a request for a predictable ID number."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.8,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AC:L/AV:A/A:N/C:H/I:N/PR:L/S:C/UI:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-02-19T06:59:36.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://owncloud.com/security-advisories/access-to-all-file-versions/"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2020-36252",
          "STATE": "PUBLIC"
        },
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          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
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                },
                "vendor_name": "n/a"
              }
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          }
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        "data_format": "MITRE",
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        "description": {
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              "value": "ownCloud Server 10.x before 10.3.1 allows an attacker, who has one outgoing share from a victim, to access any version of any file by sending a request for a predictable ID number."
            }
          ]
        },
        "impact": {
          "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "ADJACENT",
            "availabilityImpact": "NONE",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
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            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AC:L/AV:A/A:N/C:H/I:N/PR:L/S:C/UI:N",
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                  "value": "n/a"
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        },
        "references": {
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            {
              "name": "https://owncloud.com/security-advisories/access-to-all-file-versions/",
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              "url": "https://owncloud.com/security-advisories/access-to-all-file-versions/"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2020-36252",
    "datePublished": "2021-02-19T06:59:36.000Z",
    "dateReserved": "2021-02-19T00:00:00.000Z",
    "dateUpdated": "2024-08-04T17:23:09.846Z",
    "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.