Vulnerability-Lookup

CNVD-2022-18048

Vulnerability from cnvd - Published: 2022-03-10

Title

Ruby缓冲区溢出漏洞（CNVD-2022-18048）

Description

Ruby是松本行弘个人开发者的一种跨平台、面向对象的动态类型编程语言。 Ruby 3.0.3之前版本存在缓冲区溢出漏洞，该漏洞源于在传递非常大的数据时会导致缓冲区溢出字符串（＞700 MB）到CGI.escape_html。目前没有详细的漏洞细节提供。

Severity

高

Patch Name

Ruby缓冲区溢出漏洞（CNVD-2022-18048）的补丁

Patch Description

Ruby是松本行弘个人开发者的一种跨平台、面向对象的动态类型编程语言。 Ruby 3.0.3之前版本存在缓冲区溢出漏洞，该漏洞源于在传递非常大的数据时会导致缓冲区溢出字符串（＞700 MB）到CGI.escape_html。目前没有详细的漏洞细节提供。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://www.ruby-lang.org/en/news/2021/11/24/buffer-overrun-in-cgi-escape_html-cve-2021-41816/

Reference

https://www.auscert.org.au/bulletins/ESB-2021.4000

Impacted products

Name
Ruby Ruby <3.0.3

Show details on source website

JSON

To clipboard

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    "cve": {
      "cveNumber": "CVE-2021-41816"
    }
  },
  "description": "Ruby\u662f\u677e\u672c\u884c\u5f18\u4e2a\u4eba\u5f00\u53d1\u8005\u7684\u4e00\u79cd\u8de8\u5e73\u53f0\u3001\u9762\u5411\u5bf9\u8c61\u7684\u52a8\u6001\u7c7b\u578b\u7f16\u7a0b\u8bed\u8a00\u3002\n\nRuby 3.0.3\u4e4b\u524d\u7248\u672c\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5728\u4f20\u9012\u975e\u5e38\u5927\u7684\u6570\u636e\u65f6\u4f1a\u5bfc\u81f4\u7f13\u51b2\u533a\u6ea2\u51fa\u5b57\u7b26\u4e32\uff08\uff1e700 MB\uff09\u5230CGI.escape_html\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\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://www.ruby-lang.org/en/news/2021/11/24/buffer-overrun-in-cgi-escape_html-cve-2021-41816/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-18048",
  "openTime": "2022-03-10",
  "patchDescription": "Ruby\u662f\u677e\u672c\u884c\u5f18\u4e2a\u4eba\u5f00\u53d1\u8005\u7684\u4e00\u79cd\u8de8\u5e73\u53f0\u3001\u9762\u5411\u5bf9\u8c61\u7684\u52a8\u6001\u7c7b\u578b\u7f16\u7a0b\u8bed\u8a00\u3002\r\n\r\nRuby 3.0.3\u4e4b\u524d\u7248\u672c\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5728\u4f20\u9012\u975e\u5e38\u5927\u7684\u6570\u636e\u65f6\u4f1a\u5bfc\u81f4\u7f13\u51b2\u533a\u6ea2\u51fa\u5b57\u7b26\u4e32\uff08\uff1e700 MB\uff09\u5230CGI.escape_html\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\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\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2022-18048\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Ruby Ruby \u003c3.0.3"
  },
  "referenceLink": "https://www.auscert.org.au/bulletins/ESB-2021.4000",
  "serverity": "\u9ad8",
  "submitTime": "2021-11-29",
  "title": "Ruby\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2022-18048\uff09"
}

CVE-2021-41816 (GCVE-0-2021-41816)

Vulnerability from cvelistv5 – Published: 2022-02-06 00:00 – Updated: 2024-08-04 03:22

Summary

CGI.escape_html in Ruby before 2.7.5 and 3.x before 3.0.3 has an integer overflow and resultant buffer overflow via a long string on platforms (such as Windows) where size_t and long have different numbers of bytes. This also affects the CGI gem before 0.3.1 for Ruby.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

7 references

URL	Tags
https://hackerone.com/reports/1328463
https://www.ruby-lang.org/en/news/2021/11/24/buff…
https://security-tracker.debian.org/tracker/CVE-2…
https://security.netapp.com/advisory/ntap-2022030…
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisory
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisory
https://security.gentoo.org/glsa/202401-27	vendor-advisory

Show details on NVD website

JSON

To clipboard

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          "dateUpdated": "2024-08-04T03:22:24.883Z",
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          },
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    "datePublished": "2022-02-06T00:00:00.000Z",
    "dateReserved": "2021-09-29T00:00:00.000Z",
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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.