GSD-2021-4305
Vulnerability from gsd - Updated: 2023-12-13 01:23Details
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.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2021-4305",
"id": "GSD-2021-4305"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2021-4305"
],
"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": "GSD-2021-4305",
"modified": "2023-12-13T01:23:11.706768Z",
"schema_version": "1.4.0"
}
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"ID": "CVE-2021-4305",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
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"product": {
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{
"product_name": "robots-txt-guard",
"version": {
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"version_affected": "=",
"version_value": "n/a"
}
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"vendor_name": "Woorank"
}
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}
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"credits": [
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"value": "VulDB GitHub Commit Analyzer"
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"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
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"lang": "eng",
"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": "deu",
"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."
}
]
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"impact": {
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"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"
},
{
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"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"
},
{
"baseScore": 2.3,
"vectorString": "AV:A/AC:M/Au:S/C:N/I:N/A:P",
"version": "2.0"
}
]
},
"problemtype": {
"problemtype_data": [
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"description": [
{
"cweId": "CWE-1333",
"lang": "eng",
"value": "CWE-1333 Inefficient Regular Expression Complexity"
}
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"name": "https://vuldb.com/?id.217448",
"refsource": "MISC",
"url": "https://vuldb.com/?id.217448"
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"name": "https://vuldb.com/?ctiid.217448",
"refsource": "MISC",
"url": "https://vuldb.com/?ctiid.217448"
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{
"name": "https://github.com/Woorank/robots-txt-guard/pull/4",
"refsource": "MISC",
"url": "https://github.com/Woorank/robots-txt-guard/pull/4"
},
{
"name": "https://github.com/Woorank/robots-txt-guard/commit/c03827cd2f9933619c23894ce7c98401ea824020",
"refsource": "MISC",
"url": "https://github.com/Woorank/robots-txt-guard/commit/c03827cd2f9933619c23894ce7c98401ea824020"
}
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}
},
"gitlab.com": {
"advisories": [
{
"affected_range": "\u003c1.0.2",
"affected_versions": "All versions before 1.0.2",
"cwe_ids": [
"CWE-1035",
"CWE-1333",
"CWE-937"
],
"date": "2023-01-09",
"description": "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.",
"fixed_versions": [
"1.0.2"
],
"identifier": "CVE-2021-4305",
"identifiers": [
"GHSA-6g33-8w2q-4hxv",
"CVE-2021-4305"
],
"not_impacted": "All versions starting from 1.0.2",
"package_slug": "npm/robots-txt-guard",
"pubdate": "2023-01-05",
"solution": "Upgrade to version 1.0.2 or above.",
"title": "Inefficient Regular Expression Complexity",
"urls": [
"https://nvd.nist.gov/vuln/detail/CVE-2021-4305",
"https://github.com/Woorank/robots-txt-guard/pull/4",
"https://github.com/Woorank/robots-txt-guard/commit/c03827cd2f9933619c23894ce7c98401ea824020",
"https://vuldb.com/?ctiid.217448",
"https://vuldb.com/?id.217448",
"https://github.com/advisories/GHSA-6g33-8w2q-4hxv"
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"uuid": "d942ba96-f7de-42af-9f98-2fe8c451fd7e"
}
]
},
"nvd.nist.gov": {
"cve": {
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:bridgeline:robots-txt-guard:*:*:*:*:*:*:*:*",
"matchCriteriaId": "0FF18FDD-842E-4C41-BD79-6FEBCA5B0D63",
"versionEndExcluding": "2021-02-07",
"vulnerable": true
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"operator": "OR"
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"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": "es",
"value": "Se encontr\u00f3 una vulnerabilidad en Woorank robots-txt-guard. Ha sido calificada como problem\u00e1tica. La funci\u00f3n makePathPattern del archivo lib/patterns.js es afectada por esta vulnerabilidad. La manipulaci\u00f3n del patr\u00f3n de argumento conduce a una complejidad de expresi\u00f3n regular ineficiente. El exploit ha sido divulgado al p\u00fablico y puede utilizarse. El nombre del parche es c03827cd2f9933619c23894ce7c98401ea824020. Se recomienda aplicar un parche para solucionar este problema. El identificador de esta vulnerabilidad es VDB-217448."
}
],
"id": "CVE-2021-4305",
"lastModified": "2024-04-11T01:13:41.890",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "LOW",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "ADJACENT_NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "PARTIAL",
"baseScore": 2.3,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:A/AC:M/Au:S/C:N/I:N/A:P",
"version": "2.0"
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"exploitabilityScore": 4.4,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "cna@vuldb.com",
"type": "Secondary",
"userInteractionRequired": false
}
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"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
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"source": "nvd@nist.gov",
"type": "Primary"
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"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
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"source": "cna@vuldb.com",
"type": "Secondary"
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"published": "2023-01-05T11:15:09.120",
"references": [
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"tags": [
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"url": "https://github.com/Woorank/robots-txt-guard/commit/c03827cd2f9933619c23894ce7c98401ea824020"
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"url": "https://vuldb.com/?ctiid.217448"
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"tags": [
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"url": "https://vuldb.com/?id.217448"
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"sourceIdentifier": "cna@vuldb.com",
"vulnStatus": "Modified",
"weaknesses": [
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"description": [
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"lang": "en",
"value": "CWE-1333"
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"source": "cna@vuldb.com",
"type": "Primary"
}
]
}
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
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.
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