nvd-json-data-feeds/CVE-2023/CVE-2023-227xx/CVE-2023-22795.json

{
  "id": "CVE-2023-22795",
  "sourceIdentifier": "support@hackerone.com",
  "published": "2023-02-09T20:15:11.420",
  "lastModified": "2024-02-02T14:15:53.343",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A regular expression based DoS vulnerability in Action Dispatch <6.1.7.1 and <7.0.4.1 related to the If-None-Match header. A specially crafted HTTP If-None-Match header can cause the regular expression engine to enter a state of catastrophic backtracking, when on a version of Ruby below 3.2.0. This can cause the process to use large amounts of CPU and memory, leading to a possible DoS vulnerability All users running an affected release should either upgrade or use one of the workarounds immediately."
    }
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          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH"
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        "exploitabilityScore": 3.9,
        "impactScore": 3.6
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  "references": [
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      "url": "https://discuss.rubyonrails.org/t/cve-2023-22795-possible-redos-based-dos-vulnerability-in-action-dispatch/82118",
      "source": "support@hackerone.com",
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}