Vulnerability-Lookup

CNVD-2019-18775

Vulnerability from cnvd - Published: 2019-06-21

Title

Nextcloud Server权限验证漏洞

Description

Nextcloud是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 14.0.0之前版本中存在权限验证漏洞，攻击者可利用该漏洞绕过密码防护，未授权访问共享文件。

Severity

低

Patch Name

Nextcloud Server权限验证漏洞的补丁

Patch Description

Nextcloud是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 14.0.0之前版本中存在权限验证漏洞，攻击者可利用该漏洞绕过密码防护，未授权访问共享文件。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://nextcloud.com/security/advisory/?id=NC-SA-2018-012

Reference

http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-16464

Impacted products

Name
Nextcloud Nextcloud Server <14.0.0

Show details on source website

JSON

To clipboard

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  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-16464"
    }
  },
  "description": "Nextcloud\u662f\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 14.0.0\u4e4b\u524d\u7248\u672c\u4e2d\u5b58\u5728\u6743\u9650\u9a8c\u8bc1\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7\u5bc6\u7801\u9632\u62a4\uff0c\u672a\u6388\u6743\u8bbf\u95ee\u5171\u4eab\u6587\u4ef6\u3002",
  "discovererName": "Rudra Pratap Singh",
  "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-2018-012",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2019-18775",
  "openTime": "2019-06-21",
  "patchDescription": "Nextcloud\u662f\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 14.0.0\u4e4b\u524d\u7248\u672c\u4e2d\u5b58\u5728\u6743\u9650\u9a8c\u8bc1\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7\u5bc6\u7801\u9632\u62a4\uff0c\u672a\u6388\u6743\u8bbf\u95ee\u5171\u4eab\u6587\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 Server\u6743\u9650\u9a8c\u8bc1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Nextcloud Nextcloud Server \u003c14.0.0"
  },
  "referenceLink": "http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-16464",
  "serverity": "\u4f4e",
  "submitTime": "2018-11-02",
  "title": "Nextcloud Server\u6743\u9650\u9a8c\u8bc1\u6f0f\u6d1e"
}

CVE-2018-16464 (GCVE-0-2018-16464)

Vulnerability from cvelistv5 – Published: 2018-10-30 21:00 – Updated: 2024-08-05 10:24

Summary

A missing access check in Nextcloud Server prior to 14.0.0 could lead to continued access to password protected link shares when the owner had changed the password.

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/146133	x_refsource_MISC
https://nextcloud.com/security/advisory/?id=NC-SA…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
n/a	Nextcloud Server	Affected: <14.0.0

Date Public

2018-10-30 00:00

Show details on NVD website

JSON

To clipboard

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            "url": "https://nextcloud.com/security/advisory/?id=NC-SA-2018-012"
          }
        ],
        "title": "CVE Program Container"
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          "url": "https://nextcloud.com/security/advisory/?id=NC-SA-2018-012"
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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.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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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.

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CNVD-2019-18775

CVE-2018-16464 (GCVE-0-2018-16464)

Tags

Sightings

Nomenclature

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