Vulnerability-Lookup

OESA-2024-2251 (CVE-2024-45614)

Vulnerability from osv_openeuler – Published: 2024-10-12 11:07 – Updated: 2026-08-06 11:07 – Source website

Summary

rubygem-puma security update

Details

A simple, fast, threaded, and highly concurrent HTTP 1.1 server for Ruby/Rack applications.

Security Fix(es):

Puma is a Ruby/Rack web server built for parallelism. In affected versions clients could clobber values set by intermediate proxies (such as X-Forwarded-For) by providing a underscore version of the same header (X-Forwarded_For). Any users relying on proxy set variables is affected. v6.4.3/v5.6.9 now discards any headers using underscores if the non-underscore version also exists. Effectively, allowing the proxy defined headers to always win. Users are advised to upgrade. Nginx has a underscores_in_headers configuration variable to discard these headers at the proxy level as a mitigation. Any users that are implicitly trusting the proxy defined headers for security should immediately cease doing so until upgraded to the fixed versions.(CVE-2024-45614)

Severity

5.4 (Medium)


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

References

URL

Type

	https://www.openeuler.org/zh/security/security-bu…	ADVISORY
	https://nvd.nist.gov/vuln/detail/CVE-2024-45614	ADVISORY

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "aarch64": [
          "rubygem-puma-5.6.5-3.oe2403.aarch64.rpm",
          "rubygem-puma-debuginfo-5.6.5-3.oe2403.aarch64.rpm",
          "rubygem-puma-debugsource-5.6.5-3.oe2403.aarch64.rpm"
        ],
        "noarch": [
          "rubygem-puma-doc-5.6.5-3.oe2403.noarch.rpm"
        ],
        "src": [
          "rubygem-puma-5.6.5-3.oe2403.src.rpm"
        ],
        "x86_64": [
          "rubygem-puma-5.6.5-3.oe2403.x86_64.rpm",
          "rubygem-puma-debuginfo-5.6.5-3.oe2403.x86_64.rpm",
          "rubygem-puma-debugsource-5.6.5-3.oe2403.x86_64.rpm"
        ]
      },
      "package": {
        "ecosystem": "openEuler:24.03-LTS",
        "name": "rubygem-puma",
        "purl": "pkg:rpm/openEuler/rubygem-puma\u0026distro=openEuler-24.03-LTS"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.6.5-3.oe2403"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "severity": "Medium"
  },
  "details": "A simple, fast, threaded, and highly concurrent HTTP 1.1 server for Ruby/Rack applications.\r\n\r\nSecurity Fix(es):\r\n\r\nPuma is a Ruby/Rack web server built for parallelism. In affected versions clients could clobber values set by intermediate proxies (such as X-Forwarded-For) by providing a underscore version of the same header (X-Forwarded_For). Any users relying on proxy set variables is affected. v6.4.3/v5.6.9 now discards any headers using underscores if the non-underscore version also exists. Effectively, allowing the proxy defined headers to always win. Users are advised to upgrade. Nginx has a underscores_in_headers configuration variable to discard these headers at the proxy level as a mitigation. Any users that are implicitly trusting the proxy defined headers for security should immediately cease doing so until upgraded to the fixed versions.(CVE-2024-45614)",
  "id": "OESA-2024-2251",
  "modified": "2026-08-06T11:07:43Z",
  "published": "2024-10-12T11:07:43Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2024-2251"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-45614"
    }
  ],
  "schema_version": "1.7.2",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "rubygem-puma security update",
  "upstream": [
    "CVE-2024-45614"
  ]
}

CVE-2024-45614 (GCVE-0-2024-45614)

Vulnerability from cvelistv5 – Published: 2024-09-19 22:42 – Updated: 2025-11-03 22:15

Title

Header normalization allows for client to clobber proxy set headers in Puma

Summary

Severity

5.4 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-09-20 13:54 UTC

CWE

CWE-639 - Authorization Bypass Through User-Controlled Key

Assigner

GitHub_M mitre root

References

3 references

URL	Tags
https://github.com/puma/puma/security/advisories/…	x_refsource_CONFIRM
https://nginx.org/en/docs/http/ngx_http_core_modu…	x_refsource_MISC
https://lists.debian.org/debian-lts-announce/2024…

Impacted products

1 product

Vendor	Product	Version
puma	puma	Affected: >= 6.0.0, < 6.4.3 Affected: < 5.6.9

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2024-45614",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-09-20T13:54:35.745068Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-09-20T13:54:50.515Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2025-11-03T22:15:51.621Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "url": "https://lists.debian.org/debian-lts-announce/2024/11/msg00004.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "puma",
          "vendor": "puma",
          "versions": [
            {
              "status": "affected",
              "version": "\u003e= 6.0.0, \u003c 6.4.3"
            },
            {
              "status": "affected",
              "version": "\u003c 5.6.9"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Puma is a Ruby/Rack web server built for parallelism. In affected versions clients could clobber values set by intermediate proxies (such as X-Forwarded-For) by providing a underscore version of the same header (X-Forwarded_For). Any users relying on proxy set variables is affected. v6.4.3/v5.6.9 now discards any headers using underscores if the non-underscore version also exists. Effectively, allowing the proxy defined headers to always win. Users are advised to upgrade. Nginx has a underscores_in_headers configuration variable to discard these headers at the proxy level as a mitigation. Any users that are implicitly trusting the proxy defined headers for security should immediately cease doing so until upgraded to the fixed versions."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.4,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-639",
              "description": "CWE-639: Authorization Bypass Through User-Controlled Key",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-09-19T22:42:33.974Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/puma/puma/security/advisories/GHSA-9hf4-67fc-4vf4",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/puma/puma/security/advisories/GHSA-9hf4-67fc-4vf4"
        },
        {
          "name": "https://nginx.org/en/docs/http/ngx_http_core_module.html#underscores_in_headers",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://nginx.org/en/docs/http/ngx_http_core_module.html#underscores_in_headers"
        }
      ],
      "source": {
        "advisory": "GHSA-9hf4-67fc-4vf4",
        "discovery": "UNKNOWN"
      },
      "title": "Header normalization allows for client to clobber proxy set headers in Puma"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2024-45614",
    "datePublished": "2024-09-19T22:42:33.974Z",
    "dateReserved": "2024-09-02T16:00:02.425Z",
    "dateUpdated": "2025-11-03T22:15:51.621Z",
    "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.