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GHSA-6G33-8W2Q-4HXV

Vulnerability from github – Published: 2023-01-05 12:30 – Updated: 2023-01-11 23:01

Summary

robots-txt-guard Inefficient Regular Expression Complexity vulnerability

Details

A vulnerability was found in Woorank robots-txt-guard. It has been rated as problematic. Affected by this issue is the function makePathPattern of the file lib/patterns.js. The manipulation of the argument pattern leads to inefficient regular expression complexity. The exploit has been disclosed to the public and may be used. The name of the patch is c03827cd2f9933619c23894ce7c98401ea824020. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-217448.

Severity

7.5 (High)


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

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{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "robots-txt-guard"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.0.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2021-4305"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-1333"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2023-01-09T20:04:05Z",
    "nvd_published_at": "2023-01-05T11:15:00Z",
    "severity": "HIGH"
  },
  "details": "A vulnerability was found in Woorank robots-txt-guard. It has been rated as problematic. Affected by this issue is the function makePathPattern of the file lib/patterns.js. The manipulation of the argument pattern leads to inefficient regular expression complexity. The exploit has been disclosed to the public and may be used. The name of the patch is c03827cd2f9933619c23894ce7c98401ea824020. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-217448.",
  "id": "GHSA-6g33-8w2q-4hxv",
  "modified": "2023-01-11T23:01:14Z",
  "published": "2023-01-05T12:30:27Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-4305"
    },
    {
      "type": "WEB",
      "url": "https://github.com/Woorank/robots-txt-guard/pull/4"
    },
    {
      "type": "WEB",
      "url": "https://github.com/Woorank/robots-txt-guard/commit/c03827cd2f9933619c23894ce7c98401ea824020"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/Woorank/robots-txt-guard"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/?ctiid.217448"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/?id.217448"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "robots-txt-guard Inefficient Regular Expression Complexity vulnerability"
}

CVE-2021-4305 (GCVE-0-2021-4305)

Vulnerability from cvelistv5 – Published: 2023-01-05 10:03 – Updated: 2024-11-25 17:49

Title

Woorank robots-txt-guard patterns.js makePathPattern redos

Summary

Severity

3.5 (Low)


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

3.5 (Low)


                        
                          CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-11-25 17:49 UTC

CWE

CWE-1333 - Inefficient Regular Expression Complexity

Assigner

VulDB mitre root

References

4 references

URL	Tags
https://vuldb.com/?id.217448	vdb-entrytechnical-description
https://vuldb.com/?ctiid.217448	signaturepermissions-required
https://github.com/Woorank/robots-txt-guard/pull/4	exploitissue-tracking
https://github.com/Woorank/robots-txt-guard/commi…	patch

Impacted products

1 product

Vendor	Product	Version
Woorank	robots-txt-guard	Affected: n/a

Credits

VulDB GitHub Commit Analyzer

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T17:23:10.568Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "vdb-entry",
              "technical-description",
              "x_transferred"
            ],
            "url": "https://vuldb.com/?id.217448"
          },
          {
            "tags": [
              "signature",
              "permissions-required",
              "x_transferred"
            ],
            "url": "https://vuldb.com/?ctiid.217448"
          },
          {
            "tags": [
              "exploit",
              "issue-tracking",
              "x_transferred"
            ],
            "url": "https://github.com/Woorank/robots-txt-guard/pull/4"
          },
          {
            "tags": [
              "patch",
              "x_transferred"
            ],
            "url": "https://github.com/Woorank/robots-txt-guard/commit/c03827cd2f9933619c23894ce7c98401ea824020"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2021-4305",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-11-25T17:49:23.236965Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-11-25T17:49:33.996Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "robots-txt-guard",
          "vendor": "Woorank",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "tool",
          "value": "VulDB GitHub Commit Analyzer"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability was found in Woorank robots-txt-guard. It has been rated as problematic. Affected by this issue is the function makePathPattern of the file lib/patterns.js. The manipulation of the argument pattern leads to inefficient regular expression complexity. The exploit has been disclosed to the public and may be used. The name of the patch is c03827cd2f9933619c23894ce7c98401ea824020. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-217448."
        },
        {
          "lang": "de",
          "value": "Eine problematische Schwachstelle wurde in Woorank robots-txt-guard ausgemacht. Betroffen davon ist die Funktion makePathPattern der Datei lib/patterns.js. Dank der Manipulation des Arguments pattern mit unbekannten Daten kann eine inefficient regular expression complexity-Schwachstelle ausgenutzt werden. Der Exploit steht zur \u00f6ffentlichen Verf\u00fcgung. Der Patch wird als c03827cd2f9933619c23894ce7c98401ea824020 bezeichnet. Als bestm\u00f6gliche Massnahme wird Patching empfohlen."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 3.5,
            "baseSeverity": "LOW",
            "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
            "version": "3.1"
          }
        },
        {
          "cvssV3_0": {
            "baseScore": 3.5,
            "baseSeverity": "LOW",
            "vectorString": "CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 2.3,
            "vectorString": "AV:A/AC:M/Au:S/C:N/I:N/A:P",
            "version": "2.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-1333",
              "description": "CWE-1333 Inefficient Regular Expression Complexity",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-10-20T13:39:32.498Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/?id.217448"
        },
        {
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/?ctiid.217448"
        },
        {
          "tags": [
            "exploit",
            "issue-tracking"
          ],
          "url": "https://github.com/Woorank/robots-txt-guard/pull/4"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/Woorank/robots-txt-guard/commit/c03827cd2f9933619c23894ce7c98401ea824020"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2023-01-05T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2023-01-05T00:00:00.000Z",
          "value": "CVE reserved"
        },
        {
          "lang": "en",
          "time": "2023-01-05T01:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2023-01-28T15:36:37.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "Woorank robots-txt-guard patterns.js makePathPattern redos"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2021-4305",
    "datePublished": "2023-01-05T10:03:09.193Z",
    "dateReserved": "2023-01-05T10:01:45.732Z",
    "dateUpdated": "2024-11-25T17:49:33.996Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
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.

Detection rules are retrieved from Rulezet.

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.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.