CVE-2022-44570: Rack Denial of Service Vulnerability

{
  "schema_version" : "1.4.0",
  "id" : "GHSA-65f5-mfpf-vfhj",
  "modified" : "2025-02-13T18:40:02Z",
  "published" : "2023-01-18T18:19:33Z",
  "aliases" : [ "CVE-2022-44570" ],
  "summary" : "Denial of service via header parsing in Rack",
  "details" : "There is a possible denial of service vulnerability in the Range header parsing component of Rack. This vulnerability has been assigned the CVE identifier CVE-2022-44570.\n\nVersions Affected: >= 1.5.0 Not affected: None. Fixed Versions: 2.0.9.2, 2.1.4.2, 2.2.6.2, 3.0.0.1\nImpact\n\nCarefully crafted input can cause the Range header parsing component in Rack to take an unexpected amount of time, possibly resulting in a denial of service attack vector. Any applications that deal with Range requests (such as streaming applications, or applications that serve files) may be impacted.\nReleases\n\nThe fixed releases are available at the normal locations.\nWorkarounds\n\nThere are no feasible workarounds for this issue.\nPatches\n\nTo aid users who aren’t able to upgrade immediately we have provided patches for the two supported release series. They are in git-am format and consist of a single changeset.\n\n    2-0-Fix-ReDoS-in-Rack-Utils.get_byte_ranges.patch - Patch for 2.0 series\n    2-1-Fix-ReDoS-in-Rack-Utils.get_byte_ranges.patch - Patch for 2.1 series\n    2-2-Fix-ReDoS-in-Rack-Utils.get_byte_ranges.patch - Patch for 2.2 series\n    3-0-Fix-ReDoS-in-Rack-Utils.get_byte_ranges.patch - Patch for 3.0 series",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "RubyGems",
      "name" : "rack"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "1.5.0"
      }, {
        "fixed" : "2.0.9.2"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "RubyGems",
      "name" : "rack"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "2.1.0.0"
      }, {
        "fixed" : "2.1.4.2"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "RubyGems",
      "name" : "rack"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "2.2.0.0"
      }, {
        "fixed" : "2.2.6.2"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "RubyGems",
      "name" : "rack"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "3.0.0.0"
      }, {
        "fixed" : "3.0.4.1"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2022-44570"
  }, {
    "type" : "WEB",
    "url" : "https://discuss.rubyonrails.org/t/cve-2022-44570-possible-denial-of-service-vulnerability-in-racks-range-header-parsing/82125"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/rack/rack"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/rack/rack/releases/tag/v3.0.4.1"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rack/CVE-2022-44570.yml"
  }, {
    "type" : "WEB",
    "url" : "https://security.netapp.com/advisory/ntap-20231208-0010"
  }, {
    "type" : "WEB",
    "url" : "https://www.debian.org/security/2023/dsa-5530"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-1333", "CWE-400" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2023-01-18T18:19:33Z",
    "nvd_published_at" : "2023-02-09T20:15:00Z"
  }
}