Vulnerability-Lookup

CNVD-2020-49263

Vulnerability from cnvd - Published: 2020-08-28

Title

Nextcloud Desktop Client跨站脚本漏洞

Description

Nextcloud是一套用于创建文件托管服务并使用的客户端-服务器软件。Nextcloud Desktop Client是Nextcloud桌面客户端。 Nextcloud Desktop Client 2.6.4存在跨站脚本漏洞。攻击者可通过登录表单上的无效服务器地址利用该漏洞进行跨站脚本攻击。

Severity

低

Patch Name

Nextcloud Desktop Client跨站脚本漏洞的补丁

Patch Description

Nextcloud是一套用于创建文件托管服务并使用的客户端-服务器软件。Nextcloud Desktop Client是Nextcloud桌面客户端。 Nextcloud Desktop Client 2.6.4存在跨站脚本漏洞。攻击者可通过登录表单上的无效服务器地址利用该漏洞进行跨站脚本攻击。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-2020-027

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-8189

Impacted products

Name
Nextcloud Nextcloud Desktop Client 2.6.4

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-8189",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-8189"
    }
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  "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-2020-027",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-49263",
  "openTime": "2020-08-28",
  "patchDescription": "Nextcloud\u662f\u4e00\u5957\u7528\u4e8e\u521b\u5efa\u6587\u4ef6\u6258\u7ba1\u670d\u52a1\u5e76\u4f7f\u7528\u7684\u5ba2\u6237\u7aef-\u670d\u52a1\u5668\u8f6f\u4ef6\u3002Nextcloud Desktop Client\u662fNextcloud\u684c\u9762\u5ba2\u6237\u7aef\u3002\r\n\r\nNextcloud Desktop Client 2.6.4\u5b58\u5728\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u767b\u5f55\u8868\u5355\u4e0a\u7684\u65e0\u6548\u670d\u52a1\u5668\u5730\u5740\u5229\u7528\u8be5\u6f0f\u6d1e\u8fdb\u884c\u8de8\u7ad9\u811a\u672c\u653b\u51fb\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 Desktop Client\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Nextcloud Nextcloud Desktop Client 2.6.4"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-8189",
  "serverity": "\u4f4e",
  "submitTime": "2020-08-24",
  "title": "Nextcloud Desktop Client\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e"
}

CVE-2020-8189 (GCVE-0-2020-8189)

Vulnerability from cvelistv5 – Published: 2020-08-21 20:34 – Updated: 2024-08-04 09:56

Summary

A cross-site scripting error in Nextcloud Desktop client 2.6.4 allowed to present any html (including local links) when responding with invalid data on the login attempt.

Severity

No CVSS data available.

CWE

CWE-79 - Cross-site Scripting (XSS) - Generic (CWE-79)

Assigner

hackerone mitre root

References

3 references

URL	Tags
https://hackerone.com/reports/685552	x_refsource_MISC
https://nextcloud.com/security/advisory/?id=NC-SA…	x_refsource_MISC
https://security.gentoo.org/glsa/202009-09	vendor-advisoryx_refsource_GENTOO

Impacted products

1 product

Vendor	Product	Version
n/a	Desktop Client	Affected: 2.6.5

Show details on NVD website

JSON

To clipboard

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          }
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        "title": "CVE Program Container"
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    ],
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          "url": "https://nextcloud.com/security/advisory/?id=NC-SA-2020-027"
        },
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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.