Vulnerability-Lookup

CNVD-2019-41902

Vulnerability from cnvd - Published: 2019-11-21

Title

Nextcloud Server授权问题漏洞

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 Server是其中的一个服务器版。 Nextcloud Server存在授权问题漏洞。攻击者可利用该漏洞获取新的令牌。

Severity

中

Patch Name

Nextcloud Server授权问题漏洞的补丁

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是其中的一个服务器版。 Nextcloud Server存在授权问题漏洞。攻击者可利用该漏洞获取新的令牌。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://nextcloud.com/security/advisory/?id=nc-sa-2018-003

Reference

https://hackerone.com/reports/343111

Impacted products

Name
['Nextcloud Nextcloud Server <12.0.8', 'Nextcloud Nextcloud Server <13.0.3']

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-3761",
      "cveUrl": "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-3761"
    }
  },
  "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\u3002Nextcloud Server\u662f\u5176\u4e2d\u7684\u4e00\u4e2a\u670d\u52a1\u5668\u7248\u3002\n\nNextcloud Server\u5b58\u5728\u6388\u6743\u95ee\u9898\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u53d6\u65b0\u7684\u4ee4\u724c\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://nextcloud.com/security/advisory/?id=nc-sa-2018-003",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2019-41902",
  "openTime": "2019-11-21",
  "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\u3002Nextcloud Server\u662f\u5176\u4e2d\u7684\u4e00\u4e2a\u670d\u52a1\u5668\u7248\u3002\r\n\r\nNextcloud Server\u5b58\u5728\u6388\u6743\u95ee\u9898\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u53d6\u65b0\u7684\u4ee4\u724c\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 Server\u6388\u6743\u95ee\u9898\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Nextcloud Nextcloud Server \u003c12.0.8",
      "Nextcloud Nextcloud Server \u003c13.0.3"
    ]
  },
  "referenceLink": "https://hackerone.com/reports/343111",
  "serverity": "\u4e2d",
  "submitTime": "2018-07-11",
  "title": "Nextcloud Server\u6388\u6743\u95ee\u9898\u6f0f\u6d1e"
}

CVE-2018-3761 (GCVE-0-2018-3761)

Vulnerability from cvelistv5 – Published: 2018-07-05 16:00 – Updated: 2024-08-05 04:50

Summary

Nextcloud Server before 12.0.8 and 13.0.3 suffer from improper authentication on the OAuth2 token endpoint. Missing checks potentially allowed handing out new tokens in case the OAuth2 client was partly compromised.

Severity

No CVSS data available.

CWE

CWE-287 - Improper Authentication - Generic (CWE-287)

Assigner

hackerone mitre root Scorecard

References

2 references

URL	Tags
https://hackerone.com/reports/343111	x_refsource_MISC
https://nextcloud.com/security/advisory/?id=nc-sa…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
Nextcloud	Nextcloud Server	Affected: <13.0.3, <12.0.8

Date Public

2018-06-21 00:00

Show details on NVD website

JSON

To clipboard

{
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          "dateUpdated": "2024-08-05T04:50:30.619Z",
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            "url": "https://hackerone.com/reports/343111"
          },
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              "x_transferred"
            ],
            "url": "https://nextcloud.com/security/advisory/?id=nc-sa-2018-003"
          }
        ],
        "title": "CVE Program Container"
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    ],
    "cna": {
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          "versions": [
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              "version": "\u003c13.0.3, \u003c12.0.8"
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        {
          "descriptions": [
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              "description": "Improper Authentication - Generic (CWE-287)",
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        }
      ],
      "providerMetadata": {
        "dateUpdated": "2018-07-05T15:57:01.000Z",
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          ],
          "url": "https://nextcloud.com/security/advisory/?id=nc-sa-2018-003"
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      ],
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}

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.

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.
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Action not permitted

CNVD-2019-41902

CVE-2018-3761 (GCVE-0-2018-3761)

Tags

Sightings

Nomenclature

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