Vulnerability-Lookup

CNVD-2022-21816

Vulnerability from cnvd - Published: 2022-03-23

Title

Nacos跨站脚本漏洞

Description

Nacos是中国阿里巴巴（Alibaba）的一个动态服务发现、配置和服务管理平台。该软件支持基于 DNS 和基于 RPC 的服务发现，可提供提供实时健康检查，阻止服务向不健康的主机或服务实例发送请求等功能。 Nacos 2.0.3版本中存在跨站脚本漏洞，该漏洞源于pageSize 和 pageNo 参数缺少对用户提供的数据和输出的数据校验过滤。攻击者可利用该漏洞在客户端执行JavaScript代码。

Severity

中

Patch Name

Nacos跨站脚本漏洞的补丁

Patch Description

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://github.com/alibaba/nacos/issues/7359

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-44667

Impacted products

Name
阿里巴巴集团 Nacos 2.0.3

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JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-44667",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-44667"
    }
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  "description": "Nacos\u662f\u4e2d\u56fd\u963f\u91cc\u5df4\u5df4\uff08Alibaba\uff09\u7684\u4e00\u4e2a\u52a8\u6001\u670d\u52a1\u53d1\u73b0\u3001\u914d\u7f6e\u548c\u670d\u52a1\u7ba1\u7406\u5e73\u53f0\u3002\u8be5\u8f6f\u4ef6\u652f\u6301\u57fa\u4e8e DNS \u548c\u57fa\u4e8e RPC \u7684\u670d\u52a1\u53d1\u73b0\uff0c\u53ef\u63d0\u4f9b\u63d0\u4f9b\u5b9e\u65f6\u5065\u5eb7\u68c0\u67e5\uff0c\u963b\u6b62\u670d\u52a1\u5411\u4e0d\u5065\u5eb7\u7684\u4e3b\u673a\u6216\u670d\u52a1\u5b9e\u4f8b\u53d1\u9001\u8bf7\u6c42\u7b49\u529f\u80fd\u3002\n\nNacos 2.0.3\u7248\u672c\u4e2d\u5b58\u5728\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8epageSize \u548c pageNo \u53c2\u6570\u7f3a\u5c11\u5bf9\u7528\u6237\u63d0\u4f9b\u7684\u6570\u636e\u548c\u8f93\u51fa\u7684\u6570\u636e\u6821\u9a8c\u8fc7\u6ee4\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5728\u5ba2\u6237\u7aef\u6267\u884cJavaScript\u4ee3\u7801\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://github.com/alibaba/nacos/issues/7359",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-21816",
  "openTime": "2022-03-23",
  "patchDescription": "Nacos\u662f\u4e2d\u56fd\u963f\u91cc\u5df4\u5df4\uff08Alibaba\uff09\u7684\u4e00\u4e2a\u52a8\u6001\u670d\u52a1\u53d1\u73b0\u3001\u914d\u7f6e\u548c\u670d\u52a1\u7ba1\u7406\u5e73\u53f0\u3002\u8be5\u8f6f\u4ef6\u652f\u6301\u57fa\u4e8e DNS \u548c\u57fa\u4e8e RPC \u7684\u670d\u52a1\u53d1\u73b0\uff0c\u53ef\u63d0\u4f9b\u63d0\u4f9b\u5b9e\u65f6\u5065\u5eb7\u68c0\u67e5\uff0c\u963b\u6b62\u670d\u52a1\u5411\u4e0d\u5065\u5eb7\u7684\u4e3b\u673a\u6216\u670d\u52a1\u5b9e\u4f8b\u53d1\u9001\u8bf7\u6c42\u7b49\u529f\u80fd\u3002\r\n\r\nNacos 2.0.3\u7248\u672c\u4e2d\u5b58\u5728\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8epageSize \u548c pageNo \u53c2\u6570\u7f3a\u5c11\u5bf9\u7528\u6237\u63d0\u4f9b\u7684\u6570\u636e\u548c\u8f93\u51fa\u7684\u6570\u636e\u6821\u9a8c\u8fc7\u6ee4\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5728\u5ba2\u6237\u7aef\u6267\u884cJavaScript\u4ee3\u7801\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": "Nacos\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "\u963f\u91cc\u5df4\u5df4\u96c6\u56e2 Nacos 2.0.3"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-44667",
  "serverity": "\u4e2d",
  "submitTime": "2022-03-15",
  "title": "Nacos\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e"
}

CVE-2021-44667 (GCVE-0-2021-44667)

Vulnerability from cvelistv5 – Published: 2022-03-11 18:39 – Updated: 2024-08-04 04:25

Summary

A Cross Site Scripting (XSS) vulnerability exists in Nacos 2.0.3 in auth/users via the (1) pageSize and (2) pageNo parameters.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

1 reference

URL	Tags
https://github.com/alibaba/nacos/issues/7359	x_refsource_MISC

Show details on NVD website

JSON

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            ],
            "url": "https://github.com/alibaba/nacos/issues/7359"
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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-2022-21816

CVE-2021-44667 (GCVE-0-2021-44667)

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Nomenclature

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