Vulnerability-Lookup

CNVD-2020-05115

Vulnerability from cnvd - Published: 2020-02-13

Title

Nextcloud server授权不当漏洞

Description

Nextcloud是一套用于创建网络硬盘的客户端－服务器软件。 Nextcloud Server 17.0.0存在授权不当漏洞。攻击者可利用该漏洞在通过图库应用程序打开文件放置共享链接时导致预览和文件的泄露。

Severity

中

Patch Name

Nextcloud server授权不当漏洞的补丁

Patch Description

Nextcloud是一套用于创建网络硬盘的客户端－服务器软件。 Nextcloud Server 17.0.0存在授权不当漏洞。攻击者可利用该漏洞在通过图库应用程序打开文件放置共享链接时导致预览和文件的泄露。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-2019-012

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-8119

Impacted products

Name
Nextcloud Nextcloud Server 17.0.0

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-8119",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-8119"
    }
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  "description": "Nextcloud\u662f\u4e00\u5957\u7528\u4e8e\u521b\u5efa\u7f51\u7edc\u786c\u76d8\u7684\u5ba2\u6237\u7aef\uff0d\u670d\u52a1\u5668\u8f6f\u4ef6\u3002\n\nNextcloud Server 17.0.0\u5b58\u5728\u6388\u6743\u4e0d\u5f53\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5728\u901a\u8fc7\u56fe\u5e93\u5e94\u7528\u7a0b\u5e8f\u6253\u5f00\u6587\u4ef6\u653e\u7f6e\u5171\u4eab\u94fe\u63a5\u65f6\u5bfc\u81f4\u9884\u89c8\u548c\u6587\u4ef6\u7684\u6cc4\u9732\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-2019-012",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-05115",
  "openTime": "2020-02-13",
  "patchDescription": "Nextcloud\u662f\u4e00\u5957\u7528\u4e8e\u521b\u5efa\u7f51\u7edc\u786c\u76d8\u7684\u5ba2\u6237\u7aef\uff0d\u670d\u52a1\u5668\u8f6f\u4ef6\u3002\r\n\r\nNextcloud Server 17.0.0\u5b58\u5728\u6388\u6743\u4e0d\u5f53\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5728\u901a\u8fc7\u56fe\u5e93\u5e94\u7528\u7a0b\u5e8f\u6253\u5f00\u6587\u4ef6\u653e\u7f6e\u5171\u4eab\u94fe\u63a5\u65f6\u5bfc\u81f4\u9884\u89c8\u548c\u6587\u4ef6\u7684\u6cc4\u9732\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\u4e0d\u5f53\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Nextcloud Nextcloud Server 17.0.0"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-8119",
  "serverity": "\u4e2d",
  "submitTime": "2020-02-11",
  "title": "Nextcloud server\u6388\u6743\u4e0d\u5f53\u6f0f\u6d1e"
}

CVE-2020-8119 (GCVE-0-2020-8119)

Vulnerability from cvelistv5 – Published: 2020-02-04 19:08 – Updated: 2024-08-04 09:48

Summary

Improper authorization in Nextcloud server 17.0.0 causes leaking of previews and files when a file-drop share link is opened via the gallery app.

Severity

No CVSS data available.

CWE

CWE-285 - Improper Authorization (CWE-285)

Assigner

hackerone mitre root

References

4 references

URL	Tags
https://hackerone.com/reports/719426	x_refsource_MISC
https://nextcloud.com/security/advisory/?id=NC-SA…	x_refsource_MISC
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE

Impacted products

1 product

Vendor	Product	Version
n/a	Nextcloud Server	Affected: 17.0.0

Show details on NVD website

JSON

To clipboard

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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.

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.