CVE-2021-4287

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{"affected": [{"affectedData": [{"modules": ["Archive Extraction Handler"], "product": "binwalk", "vendor": "ReFirm Labs", "versions": [{"status": "affected", "version": "2.3.0"}, {"status": "affected", "version": "2.3.1"}, {"status": "affected", "version": "2.3.2"}]}], "source": "cna@vuldb.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:microsoft:binwalk:*:*:*:*:*:*:*:*", "matchCriteriaId": "AD63648F-37D7-45AD-B0A1-E1C0C8573524", "versionEndExcluding": "2.3.3", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability, which was classified as problematic, was found in ReFirm Labs binwalk up to 2.3.2. Affected is an unknown function of the file src/binwalk/modules/extractor.py of the component Archive Extraction Handler. The manipulation leads to symlink following. It is possible to launch the attack remotely. Upgrading to version 2.3.3 is able to address this issue. The name of the patch is fa0c0bd59b8588814756942fe4cb5452e76c1dcd. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-216876."}, {"lang": "es", "value": "Una vulnerabilidad fue encontrada en ReFirm Labs binwalk hasta 2.3.2 y clasificada como problem\u00e1tica. Una funci\u00f3n desconocida del archivo src/binwalk/modules/extractor.py del componente Archive Extraction Handler es afectada por esta vulnerabilidad. La manipulaci\u00f3n conduce al seguimiento de enlaces simb\u00f3licos. Es posible lanzar el ataque de forma remota. La actualizaci\u00f3n a la versi\u00f3n 2.3.3 puede solucionar este problema. El nombre del parche es fa0c0bd59b8588814756942fe4cb5452e76c1dcd. Se recomienda actualizar el componente afectado. El identificador de esta vulnerabilidad es VDB-216876."}], "id": "CVE-2021-4287", "lastModified": "2026-06-17T04:19:25.707", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.0, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 3.4, "source": "cna@vuldb.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2021-4287", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-04-11T14:42:13.101400Z", "version": "2.0.3"}}]}, "published": "2022-12-27T11:15:10.640", "references": [{"source": "cna@vuldb.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/ReFirmLabs/binwalk/commit/fa0c0bd59b8588814756942fe4cb5452e76c1dcd"}, {"source": "cna@vuldb.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/ReFirmLabs/binwalk/pull/556"}, {"source": "cna@vuldb.com", "tags": ["Release Notes", "Third Party Advisory"], "url": "https://github.com/ReFirmLabs/binwalk/releases/tag/v2.3.3"}, {"source": "cna@vuldb.com", "tags": ["Third Party Advisory"], "url": "https://vuldb.com/?ctiid.216876"}, {"source": "cna@vuldb.com", "tags": ["Third Party Advisory"], "url": "https://vuldb.com/?id.216876"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/ReFirmLabs/binwalk/commit/fa0c0bd59b8588814756942fe4cb5452e76c1dcd"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/ReFirmLabs/binwalk/pull/556"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Third Party Advisory"], "url": "https://github.com/ReFirmLabs/binwalk/releases/tag/v2.3.3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://vuldb.com/?ctiid.216876"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://vuldb.com/?id.216876"}], "sourceIdentifier": "cna@vuldb.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-61"}], "source": "cna@vuldb.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-59"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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