CVE-2020-36632

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2020-36632", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "state": "PUBLISHED", "assignerShortName": "VulDB", "dateReserved": "2022-12-25T19:36:04.381Z", "datePublished": "2022-12-25T19:37:16.959Z", "dateUpdated": "2024-08-04T17:30:08.479Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2022-12-25T19:37:16.959Z"}, "title": "hughsk flat index.js unflatten prototype pollution", "problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-1321", "lang": "en", "description": "CWE-1321 Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')"}]}], "affected": [{"vendor": "hughsk", "product": "flat", "versions": [{"version": "5.0", "status": "affected"}]}], "descriptions": [{"lang": "en", "value": "A vulnerability, which was classified as critical, was found in hughsk flat up to 5.0.0. This affects the function unflatten of the file index.js. The manipulation leads to improperly controlled modification of object prototype attributes ('prototype pollution'). It is possible to initiate the attack remotely. Upgrading to version 5.0.1 is able to address this issue. The name of the patch is 20ef0ef55dfa028caddaedbcb33efbdb04d18e13. It is recommended to upgrade the affected component. The identifier VDB-216777 was assigned to this vulnerability."}, {"lang": "de", "value": "Es wurde eine kritische Schwachstelle in hughsk flat bis 5.0.0 gefunden. Es geht dabei um die Funktion unflatten der Datei index.js. Dank der Manipulation mit unbekannten Daten kann eine improperly controlled modification of object prototype attributes ('prototype pollution')-Schwachstelle ausgenutzt werden. Der Angriff kann \u00fcber das Netzwerk passieren. Ein Aktualisieren auf die Version 5.0.1 vermag dieses Problem zu l\u00f6sen. Der Patch wird als 20ef0ef55dfa028caddaedbcb33efbdb04d18e13 bezeichnet. Als bestm\u00f6gliche Massnahme wird das Einspielen eines Upgrades empfohlen."}], "metrics": [{"cvssV3_1": {"version": "3.1", "baseScore": 6.3, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L", "baseSeverity": "MEDIUM"}}, {"cvssV3_0": {"version": "3.0", "baseScore": 6.3, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L", "baseSeverity": "MEDIUM"}}], "timeline": [{"time": "2022-12-25T00:00:00.000Z", "lang": "en", "value": "Advisory disclosed"}, {"time": "2022-12-25T01:00:00.000Z", "lang": "en", "value": "VulDB entry created"}, {"time": "2022-12-25T20:42:14.000Z", "lang": "en", "value": "VulDB last update"}], "references": [{"url": "https://vuldb.com/?id.216777", "tags": ["vdb-entry", "technical-description"]}, {"url": "https://vuldb.com/?ctiid.216777", "tags": ["signature", "permissions-required"]}, {"url": "https://github.com/hughsk/flat/issues/105", "tags": ["issue-tracking"]}, {"url": "https://github.com/hughsk/flat/pull/106", "tags": ["issue-tracking"]}, {"url": "https://github.com/hughsk/flat/commit/20ef0ef55dfa028caddaedbcb33efbdb04d18e13", "tags": ["patch"]}, {"url": "https://github.com/hughsk/flat/releases/tag/5.0.1", "tags": ["patch"]}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T17:30:08.479Z"}, "title": "CVE Program Container", "references": [{"url": "https://vuldb.com/?id.216777", "tags": ["vdb-entry", "technical-description", "x_transferred"]}, {"url": "https://vuldb.com/?ctiid.216777", "tags": ["signature", "permissions-required", "x_transferred"]}, {"url": "https://github.com/hughsk/flat/issues/105", "tags": ["issue-tracking", "x_transferred"]}, {"url": "https://github.com/hughsk/flat/pull/106", "tags": ["issue-tracking", "x_transferred"]}, {"url": "https://github.com/hughsk/flat/commit/20ef0ef55dfa028caddaedbcb33efbdb04d18e13", "tags": ["patch", "x_transferred"]}, {"url": "https://github.com/hughsk/flat/releases/tag/5.0.1", "tags": ["patch", "x_transferred"]}]}]}}

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{"affected": [{"affectedData": [{"product": "flat", "vendor": "hughsk", "versions": [{"status": "affected", "version": "5.0"}]}], "source": "cna@vuldb.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:flat_project:flat:*:*:*:*:*:*:*:*", "matchCriteriaId": "A3F489C3-86F4-4674-B083-0722383EE1FC", "versionEndExcluding": "5.0.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability, which was classified as critical, was found in hughsk flat up to 5.0.0. This affects the function unflatten of the file index.js. The manipulation leads to improperly controlled modification of object prototype attributes ('prototype pollution'). It is possible to initiate the attack remotely. Upgrading to version 5.0.1 is able to address this issue. The name of the patch is 20ef0ef55dfa028caddaedbcb33efbdb04d18e13. It is recommended to upgrade the affected component. The identifier VDB-216777 was assigned to this vulnerability."}, {"lang": "es", "value": "Una vulnerabilidad fue encontrada en hughsk flat hasta 5.0.0 y clasificada como cr\u00edtica. Esto afecta a la funci\u00f3n desacoplar del archivo index.js. La manipulaci\u00f3n conduce a una modificaci\u00f3n controlada inadecuadamente de los atributos del prototipo del objeto (\"contaminaci\u00f3n del prototipo\"). Es posible iniciar el ataque de forma remota. La actualizaci\u00f3n a la versi\u00f3n 5.0.1 puede solucionar este problema. El nombre del parche es 20ef0ef55dfa028caddaedbcb33efbdb04d18e13. Se recomienda actualizar el componente afectado. A esta vulnerabilidad se le asign\u00f3 el identificador VDB-216777."}], "id": "CVE-2020-36632", "lastModified": "2026-06-17T03:15:51.030", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 6.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.4, "source": "cna@vuldb.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-12-25T20:15:25.287", "references": [{"source": "cna@vuldb.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/hughsk/flat/commit/20ef0ef55dfa028caddaedbcb33efbdb04d18e13"}, {"source": "cna@vuldb.com", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://github.com/hughsk/flat/issues/105"}, {"source": "cna@vuldb.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/hughsk/flat/pull/106"}, {"source": "cna@vuldb.com", "tags": ["Release Notes", "Third Party Advisory"], "url": "https://github.com/hughsk/flat/releases/tag/5.0.1"}, {"source": "cna@vuldb.com", "tags": ["Third Party Advisory"], "url": "https://vuldb.com/?ctiid.216777"}, {"source": "cna@vuldb.com", "tags": ["Third Party Advisory"], "url": "https://vuldb.com/?id.216777"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/hughsk/flat/commit/20ef0ef55dfa028caddaedbcb33efbdb04d18e13"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://github.com/hughsk/flat/issues/105"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/hughsk/flat/pull/106"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Third Party Advisory"], "url": "https://github.com/hughsk/flat/releases/tag/5.0.1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://vuldb.com/?ctiid.216777"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://vuldb.com/?id.216777"}], "sourceIdentifier": "cna@vuldb.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-1321"}], "source": "cna@vuldb.com", "type": "Secondary"}]}

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