{
  "id": "CVE-2023-40225",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2023-08-10T21:15:10.743",
  "lastModified": "2024-11-21T08:19:02.407",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "HAProxy through 2.0.32, 2.1.x and 2.2.x through 2.2.30, 2.3.x and 2.4.x through 2.4.23, 2.5.x and 2.6.x before 2.6.15, 2.7.x before 2.7.10, and 2.8.x before 2.8.2 forwards empty Content-Length headers, violating RFC 9110 section 8.6. In uncommon cases, an HTTP/1 server behind HAProxy may interpret the payload as an extra request."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N",
          "baseScore": 7.2,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "CHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 2.7
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-444"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*",
              "versionEndIncluding": "2.0.32",
              "matchCriteriaId": "023D059D-3A23-4CD9-85DF-119A32FB24B2"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "2.2.0",
              "versionEndIncluding": "2.2.30",
              "matchCriteriaId": "26AB82A2-31F2-4ECA-838A-9A94520B5AEE"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "2.4.0",
              "versionEndIncluding": "2.4.23",
              "matchCriteriaId": "B3F72E80-3A75-46BA-BC3A-40D87B7BFAF4"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "2.5.0",
              "versionEndExcluding": "2.6.15",
              "matchCriteriaId": "11561968-E0DC-4BFD-930F-52F96B4A4BBD"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "2.7.0",
              "versionEndExcluding": "2.7.10",
              "matchCriteriaId": "855FF6D8-8F0E-4402-AF4D-9810A5080E72"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "2.8.0",
              "versionEndExcluding": "2.8.2",
              "matchCriteriaId": "8D4FC3EF-9132-46E7-A43B-9074EC0C2EC1"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://cwe.mitre.org/data/definitions/436.html",
      "source": "cve@mitre.org",
      "tags": [
        "Technical Description"
      ]
    },
    {
      "url": "https://github.com/haproxy/haproxy/commit/6492f1f29d738457ea9f382aca54537f35f9d856",
      "source": "cve@mitre.org",
      "tags": [
        "Patch"
      ]
    },
    {
      "url": "https://github.com/haproxy/haproxy/issues/2237",
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://www.haproxy.org/download/2.6/src/CHANGELOG",
      "source": "cve@mitre.org",
      "tags": [
        "Release Notes"
      ]
    },
    {
      "url": "https://www.haproxy.org/download/2.7/src/CHANGELOG",
      "source": "cve@mitre.org",
      "tags": [
        "Release Notes"
      ]
    },
    {
      "url": "https://www.haproxy.org/download/2.8/src/CHANGELOG",
      "source": "cve@mitre.org",
      "tags": [
        "Release Notes"
      ]
    },
    {
      "url": "https://cwe.mitre.org/data/definitions/436.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Technical Description"
      ]
    },
    {
      "url": "https://github.com/haproxy/haproxy/commit/6492f1f29d738457ea9f382aca54537f35f9d856",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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    },
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      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      ]
    },
    {
      "url": "https://www.haproxy.org/download/2.6/src/CHANGELOG",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Release Notes"
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    },
    {
      "url": "https://www.haproxy.org/download/2.7/src/CHANGELOG",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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    },
    {
      "url": "https://www.haproxy.org/download/2.8/src/CHANGELOG",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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    }
  ]
}