CVE-2020-11684

{"id": "CVE-2020-11684", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.4, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:N", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 4.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.1, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.2, "exploitabilityScore": 3.9}]}, "published": "2020-09-14T14:15:10.680", "references": [{"url": "https://github.com/linux4sam/at91bootstrap/commit/45419497309ffbf27c17ea7938499aca99168927", "tags": ["Patch", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://labs.f-secure.com/advisories/microchip-at91bootstrap/", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-212"}]}], "descriptions": [{"lang": "en", "value": "AT91bootstrap before 3.9.2 does not properly wipe encryption and authentication keys from memory before passing control to a less privileged software component. This can be exploited to disclose these keys and subsequently encrypt and sign the next boot stage (such as the bootloader)."}, {"lang": "es", "value": "AT91bootstrap versiones anteriores a 3.9.2, no limpia apropiadamente las claves de cifrado y autenticaci\u00f3n de la memoria antes de pasar el control a un componente de software menos privilegiado. Esto puede ser explotado para revelar estas claves y posteriormente cifrar y firmar la siguiente etapa de arranque (tal y como el cargador de arranque)"}], "lastModified": "2021-07-21T11:39:23.747", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:linux4sam:at91bootstrap:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DD93186D-51E5-4F8C-B833-D1931B06F370", "versionEndExcluding": "3.9.2", "versionStartIncluding": "3.7.2"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}