fkie_cve-2023-27539
Vulnerability from fkie_nvd
Published
2025-01-09 01:15
Modified
2025-10-10 16:31
Severity ?
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Summary
There is a denial of service vulnerability in the header parsing component of Rack.
References
support@hackerone.comhttps://discuss.rubyonrails.org/t/cve-2023-27539-possible-denial-of-service-vulnerability-in-racks-header-parsing/82466Vendor Advisory
support@hackerone.comhttps://github.com/advisories/GHSA-c6qg-cjj8-47qpThird Party Advisory, Patch
support@hackerone.comhttps://github.com/rack/rack/commit/231ef369ad0b542575fb36c74fcfcfabcf6c530cPatch
support@hackerone.comhttps://github.com/rack/rack/commit/ee7919ea04303717858be1c3f16b406adc6d8cffPatch
support@hackerone.comhttps://lists.debian.org/debian-lts-announce/2023/04/msg00017.htmlMailing List, Third Party Advisory
support@hackerone.comhttps://security.netapp.com/advisory/ntap-20231208-0016/Third Party Advisory
support@hackerone.comhttps://www.debian.org/security/2023/dsa-5530Mailing List, Third Party Advisory
Impacted products
Vendor Product Version
rack rack *
rack rack *
debian debian_linux 10.0
debian debian_linux 11.0


To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:rack:rack:*:*:*:*:*:ruby:*:*",
              "matchCriteriaId": "C8C60AD6-206D-4111-91A4-99359E29BFE0",
              "versionEndExcluding": "2.2.6.4",
              "versionStartIncluding": "2.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:rack:rack:*:*:*:*:*:ruby:*:*",
              "matchCriteriaId": "947A74FA-86B2-47DA-8477-ADA81EC19966",
              "versionEndExcluding": "3.0.6.1",
              "versionStartIncluding": "3.0.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "FA6FEEC2-9F11-4643-8827-749718254FED",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "There is a denial of service vulnerability in the header parsing component of Rack."
    },
    {
      "lang": "es",
      "value": "Existe una vulnerabilidad de denegaci\u00f3n de servicio en header parsing component de Rack."
    }
  ],
  "id": "CVE-2023-27539",
  "lastModified": "2025-10-10T16:31:34.173",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "LOW",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4,
        "source": "nvd@nist.gov",
        "type": "Primary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  },
  "published": "2025-01-09T01:15:07.483",
  "references": [
    {
      "source": "support@hackerone.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://discuss.rubyonrails.org/t/cve-2023-27539-possible-denial-of-service-vulnerability-in-racks-header-parsing/82466"
    },
    {
      "source": "support@hackerone.com",
      "tags": [
        "Third Party Advisory",
        "Patch"
      ],
      "url": "https://github.com/advisories/GHSA-c6qg-cjj8-47qp"
    },
    {
      "source": "support@hackerone.com",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/rack/rack/commit/231ef369ad0b542575fb36c74fcfcfabcf6c530c"
    },
    {
      "source": "support@hackerone.com",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/rack/rack/commit/ee7919ea04303717858be1c3f16b406adc6d8cff"
    },
    {
      "source": "support@hackerone.com",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "https://lists.debian.org/debian-lts-announce/2023/04/msg00017.html"
    },
    {
      "source": "support@hackerone.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://security.netapp.com/advisory/ntap-20231208-0016/"
    },
    {
      "source": "support@hackerone.com",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "https://www.debian.org/security/2023/dsa-5530"
    }
  ],
  "sourceIdentifier": "support@hackerone.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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