Vulnerability-Lookup

OESA-2024-2474 (CVE-2022-45442)

Vulnerability from osv_openeuler – Published: 2024-11-22 11:07 – Updated: 2026-08-06 11:07 – Source website

Summary

rubygem-sinatra security update

Details

Sinatra is a DSL intended for quickly creating web-applications in Ruby with minimal effort.

Security Fix(es):

Sinatra is a domain-specific language for creating web applications in Ruby. An issue was discovered in Sinatra 2.0 before 2.2.3 and 3.0 before 3.0.4. An application is vulnerable to a reflected file download (RFD) attack that sets the Content-Disposition header of a response when the filename is derived from user-supplied input. Version 2.2.3 and 3.0.4 contain patches for this issue.(CVE-2022-45442)

Severity

8.8 (High)


                    
                      CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

URL

Type

	https://www.openeuler.org/zh/security/security-bu…	ADVISORY
	https://nvd.nist.gov/vuln/detail/CVE-2022-45442	ADVISORY

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "noarch": [
          "rubygem-sinatra-2.0.8.1-3.oe2203sp1.noarch.rpm",
          "rubygem-sinatra-help-2.0.8.1-3.oe2203sp1.noarch.rpm"
        ],
        "src": [
          "rubygem-sinatra-2.0.8.1-3.oe2203sp1.src.rpm"
        ]
      },
      "package": {
        "ecosystem": "openEuler:22.03-LTS-SP1",
        "name": "rubygem-sinatra",
        "purl": "pkg:rpm/openEuler/rubygem-sinatra\u0026distro=openEuler-22.03-LTS-SP1"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.0.8.1-3.oe2203sp1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "severity": "High"
  },
  "details": "Sinatra is a DSL intended for quickly creating web-applications in Ruby with minimal effort.\r\n\r\nSecurity Fix(es):\r\n\r\nSinatra is a domain-specific language for creating web applications in Ruby. An issue was discovered in Sinatra 2.0 before 2.2.3 and 3.0 before 3.0.4. An application is vulnerable to a reflected file download (RFD) attack that sets the Content-Disposition header of a response when the filename is derived from user-supplied input. Version 2.2.3 and 3.0.4 contain patches for this issue.(CVE-2022-45442)",
  "id": "OESA-2024-2474",
  "modified": "2026-08-06T11:07:57Z",
  "published": "2024-11-22T11:07:57Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2024-2474"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-45442"
    }
  ],
  "schema_version": "1.7.2",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "rubygem-sinatra security update",
  "upstream": [
    "CVE-2022-45442"
  ]
}

CVE-2022-45442 (GCVE-0-2022-45442)

Vulnerability from cvelistv5 – Published: 2022-11-28 00:00 – Updated: 2025-11-04 16:09

Title

Sinatra vulnerable to Reflected File Download attack

Summary

Severity

8.8 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

SSVC

Exploitation: poc Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-04-22 15:40 UTC

CWE

CWE-494 - Download of Code Without Integrity Check

Assigner

GitHub_M mitre root

References

6 references

URL	Tags
https://github.com/sinatra/sinatra/security/advis…
https://github.com/sinatra/sinatra/commit/ea8fc94…
https://github.com/advisories/GHSA-8x94-hmjh-97hq
https://www.blackhat.com/docs/eu-14/materials/eu-…
https://lists.debian.org/debian-lts-announce/2023…	mailing-list
https://lists.debian.org/debian-lts-announce/2024…

Impacted products

1 product

Vendor	Product	Version
sinatra	sinatra	Affected: >= 3.0, < 3.0.4 Affected: >= 2.0, < 2.2.3

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2025-11-04T16:09:56.861Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
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            ],
            "url": "https://github.com/sinatra/sinatra/security/advisories/GHSA-2x8x-jmrp-phxw"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/sinatra/sinatra/commit/ea8fc9495a350f7551b39e3025bfcd06f49f363b"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/advisories/GHSA-8x94-hmjh-97hq"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.blackhat.com/docs/eu-14/materials/eu-14-Hafif-Reflected-File-Download-A-New-Web-Attack-Vector.pdf"
          },
          {
            "name": "[debian-lts-announce] 20230110 [SECURITY] [DLA 3264-1] ruby-sinatra security update",
            "tags": [
              "mailing-list",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2023/01/msg00005.html"
          },
          {
            "url": "https://lists.debian.org/debian-lts-announce/2024/09/msg00020.html"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2022-45442",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-04-22T15:40:06.476261Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-04-22T15:59:32.565Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "sinatra",
          "vendor": "sinatra",
          "versions": [
            {
              "status": "affected",
              "version": "\u003e= 3.0, \u003c 3.0.4"
            },
            {
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              "version": "\u003e= 2.0, \u003c 2.2.3"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Sinatra is a domain-specific language for creating web applications in Ruby. An issue was discovered in Sinatra 2.0 before 2.2.3 and 3.0 before 3.0.4. An application is vulnerable to a reflected file download (RFD) attack that sets the Content-Disposition header of a response when the filename is derived from user-supplied input. Version 2.2.3 and 3.0.4 contain patches for this issue."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-494",
              "description": "CWE-494: Download of Code Without Integrity Check",
              "lang": "en",
              "type": "CWE"
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          ]
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      ],
      "providerMetadata": {
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      },
      "references": [
        {
          "url": "https://github.com/sinatra/sinatra/security/advisories/GHSA-2x8x-jmrp-phxw"
        },
        {
          "url": "https://github.com/sinatra/sinatra/commit/ea8fc9495a350f7551b39e3025bfcd06f49f363b"
        },
        {
          "url": "https://github.com/advisories/GHSA-8x94-hmjh-97hq"
        },
        {
          "url": "https://www.blackhat.com/docs/eu-14/materials/eu-14-Hafif-Reflected-File-Download-A-New-Web-Attack-Vector.pdf"
        },
        {
          "name": "[debian-lts-announce] 20230110 [SECURITY] [DLA 3264-1] ruby-sinatra security update",
          "tags": [
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          ],
          "url": "https://lists.debian.org/debian-lts-announce/2023/01/msg00005.html"
        }
      ],
      "source": {
        "advisory": "GHSA-2x8x-jmrp-phxw",
        "discovery": "UNKNOWN"
      },
      "title": "Sinatra vulnerable to Reflected File Download attack"
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  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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    "datePublished": "2022-11-28T00:00:00.000Z",
    "dateReserved": "2022-11-15T00:00:00.000Z",
    "dateUpdated": "2025-11-04T16:09:56.861Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.