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

{
  "cves": {
    "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 CNA under the mitre root

CNA scorecard E 28/100 over 2316 records in the last 180 days details

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

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T03:22:24.883Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://hackerone.com/reports/1328463"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.ruby-lang.org/en/news/2021/11/24/buffer-overrun-in-cgi-escape_html-cve-2021-41816/"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://security-tracker.debian.org/tracker/CVE-2021-41816"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20220303-0006/"
          },
          {
            "name": "FEDORA-2022-82a9edac27",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IUXQCH6FRKANCVZO2Q7D2SQX33FP3KWN/"
          },
          {
            "name": "FEDORA-2022-8cf0124add",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UTOJGS5IEFDK3UOO7IY4OTTFGHGLSWZF/"
          },
          {
            "name": "GLSA-202401-27",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://security.gentoo.org/glsa/202401-27"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "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."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-01-24T05:06:22.268Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://hackerone.com/reports/1328463"
        },
        {
          "url": "https://www.ruby-lang.org/en/news/2021/11/24/buffer-overrun-in-cgi-escape_html-cve-2021-41816/"
        },
        {
          "url": "https://security-tracker.debian.org/tracker/CVE-2021-41816"
        },
        {
          "url": "https://security.netapp.com/advisory/ntap-20220303-0006/"
        },
        {
          "name": "FEDORA-2022-82a9edac27",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IUXQCH6FRKANCVZO2Q7D2SQX33FP3KWN/"
        },
        {
          "name": "FEDORA-2022-8cf0124add",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UTOJGS5IEFDK3UOO7IY4OTTFGHGLSWZF/"
        },
        {
          "name": "GLSA-202401-27",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://security.gentoo.org/glsa/202401-27"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2021-41816",
    "datePublished": "2022-02-06T00:00:00.000Z",
    "dateReserved": "2021-09-29T00:00:00.000Z",
    "dateUpdated": "2024-08-04T03:22:24.883Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

Order JSON

Publication & reservation Sightings KEV catalogs Other timestamps

Loading timeline…

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