GHSA-rqv2-275x-2jq5
Vulnerability from github
Published
2023-01-18 18:19
Modified
2023-10-23 19:17
Summary
Denial of service via multipart parsing in Rack
Details

There is a denial of service vulnerability in the multipart parsing component of Rack. This vulnerability has been assigned the CVE identifier CVE-2022-44572.

Versions Affected: >= 2.0.0 Not affected: None. Fixed Versions: 2.0.9.2, 2.1.4.2, 2.2.6.1, 3.0.0.1 Impact

Carefully crafted input can cause RFC2183 multipart boundary parsing in Rack to take an unexpected amount of time, possibly resulting in a denial of service attack vector. Any applications that parse multipart posts using Rack (virtually all Rails applications) are impacted. Releases

The fixed releases are available at the normal locations. Workarounds

There are no feasible workarounds for this issue. Patches

To 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.

2-0-Forbid-control-characters-in-attributes.patch - Patch for 2.0 series
2-1-Forbid-control-characters-in-attributes.patch - Patch for 2.1 series
2-2-Forbid-control-characters-in-attributes.patch - Patch for 2.2 series
3-0-Forbid-control-characters-in-attributes.patch - Patch for 3.0 series
Show details on source website

To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "RubyGems",
        "name": "rack"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "2.0.0"
            },
            {
              "fixed": "2.0.9.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "RubyGems",
        "name": "rack"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "2.1.0.0"
            },
            {
              "fixed": "2.1.4.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "RubyGems",
        "name": "rack"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "2.2.0.0"
            },
            {
              "fixed": "2.2.6.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "RubyGems",
        "name": "rack"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "3.0.0.0"
            },
            {
              "fixed": "3.0.4.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2022-44572"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-1333",
      "CWE-400"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2023-01-18T18:19:21Z",
    "nvd_published_at": "2023-02-09T20:15:00Z",
    "severity": "LOW"
  },
  "details": "There is a denial of service vulnerability in the multipart parsing component of Rack. This vulnerability has been assigned the CVE identifier CVE-2022-44572.\n\nVersions Affected: \u003e= 2.0.0 Not affected: None. Fixed Versions: 2.0.9.2, 2.1.4.2, 2.2.6.1, 3.0.0.1\nImpact\n\nCarefully crafted input can cause RFC2183 multipart boundary parsing in Rack to take an unexpected amount of time, possibly resulting in a denial of service attack vector. Any applications that parse multipart posts using Rack (virtually all Rails applications) are 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\u2019t 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-Forbid-control-characters-in-attributes.patch - Patch for 2.0 series\n    2-1-Forbid-control-characters-in-attributes.patch - Patch for 2.1 series\n    2-2-Forbid-control-characters-in-attributes.patch - Patch for 2.2 series\n    3-0-Forbid-control-characters-in-attributes.patch - Patch for 3.0 series\n",
  "id": "GHSA-rqv2-275x-2jq5",
  "modified": "2023-10-23T19:17:24Z",
  "published": "2023-01-18T18:19:21Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-44572"
    },
    {
      "type": "WEB",
      "url": "https://hackerone.com/reports/1639882"
    },
    {
      "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-2022-44572.yml"
    },
    {
      "type": "WEB",
      "url": "https://www.debian.org/security/2023/dsa-5530"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [],
  "summary": "Denial of service via multipart parsing in Rack"
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.