{ "id": "CVE-2021-3321", "sourceIdentifier": "vulnerabilities@zephyrproject.org", "published": "2021-10-12T22:15:07.967", "lastModified": "2021-10-18T17:52:14.043", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "Integer Underflow in Zephyr in IEEE 802154 Fragment Reassembly Header Removal. Zephyr versions >= >=2.4.0 contain Integer Overflow to Buffer Overflow (CWE-680). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-w44j-66g7-xw99" }, { "lang": "es", "value": "Un desbordamiento de enteros en Zephyr en la Eliminaci\u00f3n del Encabezado de Reensamblaje de Fragmentos IEEE 802154. Zephyr versiones posteriores a 2.4.0 incluy\u00e9ndola, contienen Desbordamiento de Enteros a Desbordamiento de B\u00fafer (CWE-680). Para m\u00e1s informaci\u00f3n, consulte https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-w44j-66g7-xw99" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "attackVector": "ADJACENT_NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH" }, "exploitabilityScore": 2.8, "impactScore": 5.9 }, { "source": "vulnerabilities@zephyrproject.org", "type": "Secondary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:H", "attackVector": "ADJACENT_NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH" }, "exploitabilityScore": 1.6, "impactScore": 5.3 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:A/AC:L/Au:N/C:P/I:P/A:P", "accessVector": "ADJACENT_NETWORK", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "baseScore": 5.8 }, "baseSeverity": "MEDIUM", "exploitabilityScore": 6.5, "impactScore": 6.4, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-191" } ] }, { "source": "vulnerabilities@zephyrproject.org", "type": "Secondary", "description": [ { "lang": "en", "value": "CWE-680" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:zephyrproject:zephyr:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.4.0", "versionEndExcluding": "2.5.0", "matchCriteriaId": "E1F24C66-0DD5-4759-9E12-AA3F180EE6ED" } ] } ] } ], "references": [ { "url": "http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-w44j-66g7-xw99", "source": "vulnerabilities@zephyrproject.org", "tags": [ "Exploit", "Patch", "Third Party Advisory" ] } ] }