Vulnerability-Lookup

CNVD-2020-40606

Vulnerability from cnvd - Published: 2020-07-16

Title

Ruby on Rails代码问题漏洞

Description

Ruby on Rails是Rails团队的一套基于Ruby语言的开源Web应用框架。 Ruby on Rails 5.2.4.2之前版本和6.0.3.1之前版本中存在安全漏洞。攻击者可通过修改文件上传URL的‘Content-Length’字段利用该漏洞绕过服务器上对上传文件大小的控制。

Severity

中

Patch Name

Ruby on Rails代码问题漏洞的补丁

Patch Description

Ruby on Rails是Rails团队的一套基于Ruby语言的开源Web应用框架。 Ruby on Rails 5.2.4.2之前版本和6.0.3.1之前版本中存在安全漏洞。攻击者可通过修改文件上传URL的‘Content-Length’字段利用该漏洞绕过服务器上对上传文件大小的控制。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

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://weblog.rubyonrails.org/2020/5/18/Rails-5-2-4-3-and-6-0-3-1-have-been-released/

Reference

https://www.auscert.org.au/bulletins/ESB-2020.1780/

Impacted products

Name
['Rails Ruby on Rails <6.0.3.1', 'Rails Ruby on Rails <5.2.4.2']

Show details on source website

JSON

To clipboard

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  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-8162"
    }
  },
  "description": "Ruby on Rails\u662fRails\u56e2\u961f\u7684\u4e00\u5957\u57fa\u4e8eRuby\u8bed\u8a00\u7684\u5f00\u6e90Web\u5e94\u7528\u6846\u67b6\u3002\n\nRuby on Rails 5.2.4.2\u4e4b\u524d\u7248\u672c\u548c6.0.3.1\u4e4b\u524d\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u4fee\u6539\u6587\u4ef6\u4e0a\u4f20URL\u7684\u2018Content-Length\u2019\u5b57\u6bb5\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7\u670d\u52a1\u5668\u4e0a\u5bf9\u4e0a\u4f20\u6587\u4ef6\u5927\u5c0f\u7684\u63a7\u5236\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://weblog.rubyonrails.org/2020/5/18/Rails-5-2-4-3-and-6-0-3-1-have-been-released/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-40606",
  "openTime": "2020-07-16",
  "patchDescription": "Ruby on Rails\u662fRails\u56e2\u961f\u7684\u4e00\u5957\u57fa\u4e8eRuby\u8bed\u8a00\u7684\u5f00\u6e90Web\u5e94\u7528\u6846\u67b6\u3002\r\n\r\nRuby on Rails 5.2.4.2\u4e4b\u524d\u7248\u672c\u548c6.0.3.1\u4e4b\u524d\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u4fee\u6539\u6587\u4ef6\u4e0a\u4f20URL\u7684\u2018Content-Length\u2019\u5b57\u6bb5\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7\u670d\u52a1\u5668\u4e0a\u5bf9\u4e0a\u4f20\u6587\u4ef6\u5927\u5c0f\u7684\u63a7\u5236\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": "Ruby on Rails\u4ee3\u7801\u95ee\u9898\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Rails Ruby on Rails \u003c6.0.3.1",
      "Rails Ruby on Rails \u003c5.2.4.2"
    ]
  },
  "referenceLink": "https://www.auscert.org.au/bulletins/ESB-2020.1780/",
  "serverity": "\u4e2d",
  "submitTime": "2020-05-21",
  "title": "Ruby on Rails\u4ee3\u7801\u95ee\u9898\u6f0f\u6d1e"
}

CVE-2020-8162 (GCVE-0-2020-8162)

Vulnerability from cvelistv5 – Published: 2020-06-19 17:02 – Updated: 2024-08-04 09:48

Summary

A client side enforcement of server side security vulnerability exists in rails < 5.2.4.2 and rails < 6.0.3.1 ActiveStorage's S3 adapter that allows the Content-Length of a direct file upload to be modified by an end user bypassing upload limits.

Severity

No CVSS data available.

CWE

CWE-602 - Client-Side Enforcement of Server-Side Security (CWE-602)

Assigner

hackerone mitre root

References

3 references

URL	Tags
https://hackerone.com/reports/789579	x_refsource_MISC
https://groups.google.com/g/rubyonrails-security/…	x_refsource_MISC
https://www.debian.org/security/2020/dsa-4766	vendor-advisoryx_refsource_DEBIAN

Impacted products

1 product

Vendor	Product	Version
n/a	https://github.com/rails/rails	Affected: rails >= 5.2.4.3, rails >= 6.0.3.1

Show details on NVD website

JSON

To clipboard

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            "url": "https://groups.google.com/g/rubyonrails-security/c/PjU3946mreQ"
          },
          {
            "name": "DSA-4766",
            "tags": [
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            "url": "https://www.debian.org/security/2020/dsa-4766"
          }
        ],
        "title": "CVE Program Container"
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    ],
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          "vendor": "n/a",
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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.
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.

Action not permitted

CNVD-2020-40606

CVE-2020-8162 (GCVE-0-2020-8162)

Tags

Sightings

Nomenclature

Related by attack behaviour