CVE-2021-4250

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2021-4250", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "assignerShortName": "VulDB", "dateUpdated": "2024-08-03T17:23:09.957Z", "dateReserved": "2022-12-18T00:00:00.000Z", "datePublished": "2022-12-18T00:00:00.000Z"}, "containers": {"cna": {"title": "cgriego active_attr Regex boolean_typecaster.rb call denial of service", "providerMetadata": {"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2022-12-24T21:49:20.118Z"}, "problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-404", "lang": "en", "description": "CWE-404 Denial of Service"}]}], "affected": [{"vendor": "cgriego", "product": "active_attr", "versions": [{"version": "0.15.0", "status": "affected"}, {"version": "0.15.1", "status": "affected"}, {"version": "0.15.2", "status": "affected"}], "modules": ["Regex Handler"]}], "descriptions": [{"lang": "en", "value": "A vulnerability classified as problematic has been found in cgriego active_attr up to 0.15.2. This affects the function call of the file lib/active_attr/typecasting/boolean_typecaster.rb of the component Regex Handler. The manipulation of the argument value leads to denial of service. The exploit has been disclosed to the public and may be used. Upgrading to version 0.15.3 is able to address this issue. The name of the patch is dab95e5843b01525444b82bd7b336ef1d79377df. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-216207."}, {"lang": "de", "value": "Es wurde eine Schwachstelle in cgriego active_attr bis 0.15.2 entdeckt. Sie wurde als problematisch eingestuft. Es geht dabei um die Funktion call der Datei lib/active_attr/typecasting/boolean_typecaster.rb der Komponente Regex Handler. Mit der Manipulation des Arguments value mit unbekannten Daten kann eine denial of service-Schwachstelle ausgenutzt werden. Der Exploit steht zur \u00f6ffentlichen Verf\u00fcgung. Ein Aktualisieren auf die Version 0.15.3 vermag dieses Problem zu l\u00f6sen. Der Patch wird als dab95e5843b01525444b82bd7b336ef1d79377df bezeichnet. Als bestm\u00f6gliche Massnahme wird das Einspielen eines Upgrades empfohlen."}], "metrics": [{"cvssV3_1": {"version": "3.1", "baseScore": 3.5, "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "baseSeverity": "LOW"}}, {"cvssV3_0": {"version": "3.0", "baseScore": 3.5, "vectorString": "CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "baseSeverity": "LOW"}}], "timeline": [{"time": "2022-12-18T00:00:00.000Z", "lang": "en", "value": "Advisory disclosed"}, {"time": "2022-12-18T01:00:00.000Z", "lang": "en", "value": "VulDB entry created"}, {"time": "2022-12-24T15:05:01.000Z", "lang": "en", "value": "VulDB last update"}], "references": [{"url": "https://vuldb.com/?id.216207", "tags": ["technical-description", "vdb-entry"]}, {"url": "https://github.com/cgriego/active_attr/issues/184", "tags": ["exploit", "issue-tracking"]}, {"url": "https://github.com/cgriego/active_attr/pull/185", "tags": ["related"]}, {"url": "https://github.com/cgriego/active_attr/commit/dab95e5843b01525444b82bd7b336ef1d79377df", "tags": ["mitigation", "patch"]}, {"url": "https://github.com/cgriego/active_attr/releases/tag/v0.15.3", "tags": ["mitigation"]}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T17:23:09.957Z"}, "title": "CVE Program Container", "references": [{"url": "https://vuldb.com/?id.216207", "tags": ["technical-description", "vdb-entry", "x_transferred"]}, {"url": "https://github.com/cgriego/active_attr/issues/184", "tags": ["exploit", "issue-tracking", "x_transferred"]}, {"url": "https://github.com/cgriego/active_attr/pull/185", "tags": ["related", "x_transferred"]}, {"url": "https://github.com/cgriego/active_attr/commit/dab95e5843b01525444b82bd7b336ef1d79377df", "tags": ["mitigation", "patch", "x_transferred"]}, {"url": "https://github.com/cgriego/active_attr/releases/tag/v0.15.3", "tags": ["mitigation", "x_transferred"]}]}]}}

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{"affected": [{"affectedData": [{"modules": ["Regex Handler"], "product": "active_attr", "vendor": "cgriego", "versions": [{"status": "affected", "version": "0.15.0"}, {"status": "affected", "version": "0.15.1"}, {"status": "affected", "version": "0.15.2"}]}], "source": "cna@vuldb.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:active_attr_project:active_attr:*:*:*:*:*:*:*:*", "matchCriteriaId": "8D27E608-351C-4813-BC6C-06EB8B9DF82C", "versionEndExcluding": "0.15.3", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability classified as problematic has been found in cgriego active_attr up to 0.15.2. This affects the function call of the file lib/active_attr/typecasting/boolean_typecaster.rb of the component Regex Handler. The manipulation of the argument value leads to denial of service. The exploit has been disclosed to the public and may be used. Upgrading to version 0.15.3 is able to address this issue. The name of the patch is dab95e5843b01525444b82bd7b336ef1d79377df. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-216207."}, {"lang": "es", "value": "Una vulnerabilidad ha sido encontrada en cgriego active_attr hasta 0.15.2 y clasificada como problem\u00e1tica. Esto afecta a la llamada de funci\u00f3n del archivo lib/active_attr/typecasting/boolean_typecaster.rb del componente Regex Handler. La manipulaci\u00f3n del argumento value conduce a la Denegaci\u00f3n de Servicio (DoS). La explotaci\u00f3n ha sido divulgada al p\u00fablico y puede utilizarse. La actualizaci\u00f3n a la versi\u00f3n 0.15.3 puede solucionar este problema. El nombre del parche es dab95e5843b01525444b82bd7b336ef1d79377df. Se recomienda actualizar el componente afectado. El identificador asociado de esta vulnerabilidad es VDB-216207."}], "id": "CVE-2021-4250", "lastModified": "2026-06-17T04:19:21.180", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "LOW", "baseScore": 3.5, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 2.1, "impactScore": 1.4, "source": "cna@vuldb.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-12-18T22:15:10.080", "references": [{"source": "cna@vuldb.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/cgriego/active_attr/commit/dab95e5843b01525444b82bd7b336ef1d79377df"}, {"source": "cna@vuldb.com", "tags": ["Exploit", "Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://github.com/cgriego/active_attr/issues/184"}, {"source": "cna@vuldb.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/cgriego/active_attr/pull/185"}, {"source": "cna@vuldb.com", "tags": ["Release Notes", "Third Party Advisory"], "url": "https://github.com/cgriego/active_attr/releases/tag/v0.15.3"}, {"source": "cna@vuldb.com", "tags": ["Third Party Advisory"], "url": "https://vuldb.com/?id.216207"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/cgriego/active_attr/commit/dab95e5843b01525444b82bd7b336ef1d79377df"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://github.com/cgriego/active_attr/issues/184"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/cgriego/active_attr/pull/185"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Third Party Advisory"], "url": "https://github.com/cgriego/active_attr/releases/tag/v0.15.3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://vuldb.com/?id.216207"}], "sourceIdentifier": "cna@vuldb.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-404"}], "source": "cna@vuldb.com", "type": "Secondary"}]}

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