Vulnerability-Lookup

GSD-2023-22792

Vulnerability from gsd - Updated: 2023-01-18 00:00

Details

There is a possible regular expression based DoS vulnerability in Action Dispatch. This vulnerability has been assigned the CVE identifier CVE-2023-22792. Versions Affected: >= 3.0.0 Not affected: < 3.0.0 Fixed Versions: 5.2.8.15 (Rails LTS), 6.1.7.1, 7.0.4.1 # Impact Specially crafted cookies, in combination with a specially crafted X_FORWARDED_HOST header can cause the regular expression engine to enter a state of catastrophic backtracking. 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. # Workarounds We recommend that all users upgrade to one of the FIXED versions. In the meantime, users can mitigate this vulnerability by using a load balancer or other device to filter out malicious X_FORWARDED_HOST headers before they reach the application.

Aliases

CVE-2023-22792

JSON

To clipboard

{
  "GSD": {
    "alias": "CVE-2023-22792",
    "id": "GSD-2023-22792",
    "references": [
      "https://www.suse.com/security/cve/CVE-2023-22792.html",
      "https://www.debian.org/security/2023/dsa-5372"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
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          "package": {
            "ecosystem": "RubyGems",
            "name": "actionpack",
            "purl": "pkg:gem/actionpack"
          }
        }
      ],
      "aliases": [
        "CVE-2023-22792",
        "GHSA-p84v-45xj-wwqj"
      ],
      "details": "There is a possible regular expression based DoS vulnerability in Action\nDispatch. This vulnerability has been assigned the CVE identifier\nCVE-2023-22792.\n\nVersions Affected: \u003e= 3.0.0\nNot affected: \u003c 3.0.0\nFixed Versions: 5.2.8.15 (Rails LTS), 6.1.7.1, 7.0.4.1\n\n# Impact\n\nSpecially crafted cookies, in combination with a specially crafted\nX_FORWARDED_HOST header can cause the regular expression engine to enter a\nstate of catastrophic backtracking. This can cause the process to use large\namounts of CPU and memory, leading to a possible DoS vulnerability All users\nrunning an affected release should either upgrade or use one of the\nworkarounds immediately.\n\n# Workarounds\n\nWe recommend that all users upgrade to one of the FIXED versions. In the\nmeantime, users can mitigate this vulnerability by using a load balancer or\nother device to filter out malicious X_FORWARDED_HOST headers before they\nreach the application.\n",
      "id": "GSD-2023-22792",
      "modified": "2023-01-18T00:00:00.000Z",
      "published": "2023-01-18T00:00:00.000Z",
      "references": [
        {
          "type": "WEB",
          "url": "https://github.com/rails/rails/releases/tag/v7.0.4.1"
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      "schema_version": "1.4.0",
      "summary": "ReDoS based DoS vulnerability in Action Dispatch"
    }
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  "namespaces": {
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    },
    "github.com/rubysec/ruby-advisory-db": {
      "cve": "2023-22792",
      "date": "2023-01-18",
      "description": "There is a possible regular expression based DoS vulnerability in Action\nDispatch. This vulnerability has been assigned the CVE identifier\nCVE-2023-22792.\n\nVersions Affected: \u003e= 3.0.0\nNot affected: \u003c 3.0.0\nFixed Versions: 5.2.8.15 (Rails LTS), 6.1.7.1, 7.0.4.1\n\n# Impact\n\nSpecially crafted cookies, in combination with a specially crafted\nX_FORWARDED_HOST header can cause the regular expression engine to enter a\nstate of catastrophic backtracking. This can cause the process to use large\namounts of CPU and memory, leading to a possible DoS vulnerability All users\nrunning an affected release should either upgrade or use one of the\nworkarounds immediately.\n\n# Workarounds\n\nWe recommend that all users upgrade to one of the FIXED versions. In the\nmeantime, users can mitigate this vulnerability by using a load balancer or\nother device to filter out malicious X_FORWARDED_HOST headers before they\nreach the application.\n",
      "gem": "actionpack",
      "ghsa": "p84v-45xj-wwqj",
      "patched_versions": [
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        "~\u003e 6.1.7, \u003e= 6.1.7.1",
        "\u003e= 7.0.4.1"
      ],
      "title": "ReDoS based DoS vulnerability in Action Dispatch",
      "unaffected_versions": [
        "\u003c 3.0.0"
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      "url": "https://github.com/rails/rails/releases/tag/v7.0.4.1"
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          "affected_range": "\u003e=3.0.0 \u003c6.1.7.1",
          "affected_versions": "All versions starting from 3.0.0 before 6.1.7.1",
          "cwe_ids": [
            "CWE-1035",
            "CWE-937"
          ],
          "date": "2023-01-18",
          "description": "There is a possible regular expression based DoS vulnerability in Action Dispatch. Specially crafted cookies, in combination with a specially crafted `X_FORWARDED_HOST` header can cause the regular expression engine to enter a state of catastrophic backtracking. 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.",
          "fixed_versions": [
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          ],
          "identifier": "GMS-2023-58",
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          ],
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          "package_slug": "gem/actionpack",
          "pubdate": "2023-01-18",
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          "title": "ReDoS based DoS vulnerability in Action Dispatch",
          "urls": [
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        },
        {
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          "affected_versions": "All versions starting from 3.0.0 before 6.0.6.1, all versions starting from 6.1.0 before 6.1.7.1, all versions starting from 7.0.0 before 7.0.4.1",
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            "CWE-937"
          ],
          "date": "2023-03-14",
          "description": "A regular expression based DoS vulnerability in Action Dispatch \u003c6.0.6.1,\u003c 6.1.7.1, and \u003c7.0.4.1. Specially crafted cookies, in combination with a specially crafted X_FORWARDED_HOST header can cause the regular expression engine to enter a state of catastrophic backtracking. 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.",
          "fixed_versions": [
            "6.0.6.1",
            "6.1.7.1",
            "7.0.4.1"
          ],
          "identifier": "CVE-2023-22792",
          "identifiers": [
            "CVE-2023-22792"
          ],
          "not_impacted": "All versions before 3.0.0, all versions starting from 6.0.6.1 before 6.1.0, all versions starting from 6.1.7.1 before 7.0.0, all versions starting from 7.0.4.1",
          "package_slug": "gem/rails",
          "pubdate": "2023-02-09",
          "solution": "Upgrade to versions 6.0.6.1, 6.1.7.1, 7.0.4.1 or above.",
          "title": "Inefficient Regular Expression Complexity",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2023-22792",
            "https://discuss.rubyonrails.org/t/cve-2023-22792-possible-redos-based-dos-vulnerability-in-action-dispatch/82115"
          ],
          "uuid": "e65e2ff7-d0af-40c1-91f4-7e2b83aac044"
        }
      ]
    },
    "nvd.nist.gov": {
      "cve": {
        "configurations": [
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          }
        ],
        "id": "CVE-2023-22792",
        "lastModified": "2024-02-02T14:15:53.190",
        "metrics": {
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                "attackVector": "NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 7.5,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
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                "version": "3.1"
              },
              "exploitabilityScore": 3.9,
              "impactScore": 3.6,
              "source": "nvd@nist.gov",
              "type": "Primary"
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        },
        "published": "2023-02-09T20:15:11.290",
        "references": [
          {
            "source": "support@hackerone.com",
            "tags": [
              "Patch",
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            "url": "https://discuss.rubyonrails.org/t/cve-2023-22792-possible-redos-based-dos-vulnerability-in-action-dispatch/82115"
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        "sourceIdentifier": "support@hackerone.com",
        "vulnStatus": "Modified",
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                "value": "CWE-1333"
              }
            ],
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            ],
            "source": "support@hackerone.com",
            "type": "Secondary"
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  }
}

CVE-2023-22792 (GCVE-0-2023-22792)

Vulnerability from cvelistv5 – Published: 2023-02-09 00:00 – Updated: 2025-03-24 20:30

Summary

A regular expression based DoS vulnerability in Action Dispatch <6.0.6.1,< 6.1.7.1, and <7.0.4.1. Specially crafted cookies, in combination with a specially crafted X_FORWARDED_HOST header can cause the regular expression engine to enter a state of catastrophic backtracking. 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.

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-03-24 20:30 UTC

CWE

CWE-400 - Denial of Service (CWE-400)

Assigner

hackerone CNA under the mitre root

CNA scorecard D 59/100 over 195 records in the last 180 days details

References

3 references

URL	Tags
https://discuss.rubyonrails.org/t/cve-2023-22792-…
https://www.debian.org/security/2023/dsa-5372	vendor-advisory
https://security.netapp.com/advisory/ntap-2024020…

Impacted products

1 product

Vendor	Product	Version
n/a	https://github.com/rails/rails	Affected: 6.0.6.1, 6.1.7.1, 7.0.4.1

Show details on NVD website

JSON

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  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T10:20:30.853Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
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              "baseSeverity": "HIGH",
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              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
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              "version": "3.1"
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                "id": "CVE-2023-22792",
                "options": [
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                "timestamp": "2025-03-24T20:30:13.685541Z",
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GHSA-P84V-45XJ-WWQJ

Vulnerability from github – Published: 2023-01-18 18:23 – Updated: 2025-02-18 22:36

Summary

ReDoS based DoS vulnerability in Action Dispatch

Details

There is a possible regular expression based DoS vulnerability in Action Dispatch. This vulnerability has been assigned the CVE identifier CVE-2023-22792.

Versions Affected: >= 3.0.0 Not affected: < 3.0.0 Fixed Versions: 5.2.8.15 (Rails LTS), 6.1.7.1, 7.0.4.1 Impact

Specially crafted cookies, in combination with a specially crafted X_FORWARDED_HOST header can cause the regular expression engine to enter a state of catastrophic backtracking. 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. Releases

The FIXED releases are available at the normal locations. Workarounds

We recommend that all users upgrade to one of the FIXED versions. In the meantime, users can mitigate this vulnerability by using a load balancer or other device to filter out malicious X_FORWARDED_HOST headers before they reach the application. 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.

6-1-Use-string-split-instead-of-regex-for-domain-parts.patch - Patch for 6.1 series
7-0-Use-string-split-instead-of-regex-for-domain-parts.patch - Patch for 7.0 series

Please note that only the 7.0.Z and 6.1.Z series are supported at present, and 6.0.Z for severe vulnerabilities. Users of earlier unsupported releases are advised to upgrade as soon as possible as we cannot guarantee the continued availability of security fixes for unsupported releases.

https://rubyonrails.org/2023/1/17/Rails-Versions-6-0-6-1-6-1-7-1-7-0-4-1-have-been-released

Show details on source website

JSON

To clipboard

{
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        "ecosystem": "RubyGems",
        "name": "actionpack"
      },
      "ranges": [
        {
          "events": [
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    {
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        "ecosystem": "RubyGems",
        "name": "actionpack"
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          "type": "ECOSYSTEM"
        }
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    {
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        "ecosystem": "RubyGems",
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        }
      ]
    }
  ],
  "aliases": [
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  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-1333",
      "CWE-400"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2023-01-18T18:23:34Z",
    "nvd_published_at": "2023-02-09T20:15:00Z",
    "severity": "LOW"
  },
  "details": "There is a possible regular expression based DoS vulnerability in Action Dispatch. This vulnerability has been assigned the CVE identifier CVE-2023-22792.\n\nVersions Affected: \u003e= 3.0.0 Not affected: \u003c 3.0.0 Fixed Versions: 5.2.8.15 (Rails LTS), 6.1.7.1, 7.0.4.1\nImpact\n\nSpecially crafted cookies, in combination with a specially crafted X_FORWARDED_HOST header can cause the regular expression engine to enter a state of catastrophic backtracking. 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.\nReleases\n\nThe FIXED releases are available at the normal locations.\nWorkarounds\n\nWe recommend that all users upgrade to one of the FIXED versions. In the meantime, users can mitigate this vulnerability by using a load balancer or other device to filter out malicious X_FORWARDED_HOST headers before they reach the application.\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    6-1-Use-string-split-instead-of-regex-for-domain-parts.patch - Patch for 6.1 series\n    7-0-Use-string-split-instead-of-regex-for-domain-parts.patch - Patch for 7.0 series\n\nPlease note that only the 7.0.Z and 6.1.Z series are supported at present, and 6.0.Z for severe vulnerabilities. Users of earlier unsupported releases are advised to upgrade as soon as possible as we cannot guarantee the continued availability of security fixes for unsupported releases.\n\nhttps://rubyonrails.org/2023/1/17/Rails-Versions-6-0-6-1-6-1-7-1-7-0-4-1-have-been-released",
  "id": "GHSA-p84v-45xj-wwqj",
  "modified": "2025-02-18T22:36:28Z",
  "published": "2023-01-18T18:23:34Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-22792"
    },
    {
      "type": "WEB",
      "url": "https://discuss.rubyonrails.org/t/cve-2023-22792-possible-redos-based-dos-vulnerability-in-action-dispatch/82115"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/rails/rails"
    },
    {
      "type": "WEB",
      "url": "https://github.com/rails/rails/releases/tag/v7.0.4.1"
    },
    {
      "type": "WEB",
      "url": "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/actionpack/CVE-2023-22792.yml"
    },
    {
      "type": "WEB",
      "url": "https://rubyonrails.org/2023/1/17/Rails-Versions-6-0-6-1-6-1-7-1-7-0-4-1-have-been-released"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20240202-0007"
    },
    {
      "type": "WEB",
      "url": "https://www.debian.org/security/2023/dsa-5372"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [],
  "summary": "ReDoS based DoS vulnerability in Action Dispatch"
}

Sightings

Author	Source	Type	Date	Other

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Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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Action not permitted

GSD-2023-22792

CVE-2023-22792 (GCVE-0-2023-22792)

GHSA-P84V-45XJ-WWQJ

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