{
  "id": "CVE-2023-4540",
  "sourceIdentifier": "cvd@cert.pl",
  "published": "2023-09-05T08:15:40.017",
  "lastModified": "2023-10-13T01:30:13.930",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "Improper Handling of Exceptional Conditions vulnerability in Daurnimator lua-http library allows Excessive Allocation and a denial of service (DoS) attack to be executed by sending a properly crafted request to the server. \n\nThis issue affects lua-http: all versions before commit ddab283."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
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          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-755"
        }
      ]
    },
    {
      "source": "cvd@cert.pl",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-755"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
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              "vulnerable": true,
              "criteria": "cpe:2.3:a:daurnimator:lua-http:0.4:*:*:*:*:lua:*:*",
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  "references": [
    {
      "url": "https://cert.pl/posts/2023/09/CVE-2023-4540/",
      "source": "cvd@cert.pl",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://github.com/daurnimator/lua-http/commit/ddab2835c583d45dec62680ca8d3cbde55e0bae6",
      "source": "cvd@cert.pl",
      "tags": [
        "Patch"
      ]
    },
    {
      "url": "https://https://cert.pl/en/posts/2023/09/CVE-2023-4540/",
      "source": "cvd@cert.pl",
      "tags": [
        "Broken Link"
      ]
    }
  ]
}