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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:malwarefox:antimalware:2.74.0.150:*:*:*:*:*:*:*", "matchCriteriaId": "851453D7-313B-44F0-807C-15C25CCD9AE5", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Incorrect access control in zam64.sys, zam32.sys in MalwareFox AntiMalware 2.74.0.150 where IOCTL's 0x80002014, 0x80002018 expose unrestricted disk read/write capabilities respectively. A non-privileged process can open a handle to \\.\\ZemanaAntiMalware, register with the driver using IOCTL 0x80002010 and send these IOCTL's to escalate privileges by overwriting the boot sector or overwriting critical code in the pagefile."}, {"lang": "es", "value": "Un control de acceso incorrecto en las bibliotecas zam64.sys, zam32.sys en MalwareFox AntiMalware versi\u00f3n 2.74.0.150, donde 0x80002014, 0x80002018 de IOCTL exponen capacidades de lectura y escritura de disco sin restricciones, respectivamente. Un proceso no privilegiado puede abrir un identificador para \\.\\ZemanaAntiMalware, registrarse con el controlador usando IOCTL 0x80002010 y enviar estos IOCTL para escalar privilegios sobrescribiendo el sector de arranque o sobrescribiendo el c\u00f3digo cr\u00edtico en el pagefile"}], "id": "CVE-2021-31727", "lastModified": "2022-07-12T17:42:04.277", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.2, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-05-17T13:15:07.773", "references": [{"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://github.com/irql0/CVE-2021-31728/blob/master/CVE-2021-31727.md"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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