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For devices utilizing this environment encryption mode, U-Boot's use of a zero initialization vector may allow attacks against the underlying cryptographic implementation and allow an attacker to decrypt the data. Das U-Boot's AES-CBC encryption feature uses a zero (0) initialization vector. This allows an attacker to perform dictionary attacks on encrypted data produced by Das U-Boot to learn information about the encrypted data."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-329"}]}]},"references":{"reference_data":[{"name":"100675","refsource":"BID","url":"http://www.securityfocus.com/bid/100675"},{"name":"VU#166743","refsource":"CERT-VN","url":"https://www.kb.cert.org/vuls/id/166743"}]},"source":{"discovery":"UNKNOWN"}},"nvd":{"publishedDate":"2018-07-24 15:29:00","lastModifiedDate":"2019-10-09 23:27:00","problem_types":["CWE-310"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.0","vectorString":"CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","attackVector":"PHYSICAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":4.6,"baseSeverity":"MEDIUM"},"exploitabilityScore":0.9,"impactScore":3.6},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:L/AC:L/Au:N/C:P/I:N/A:N","accessVector":"LOCAL","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":2.1},"severity":"LOW","exploitabilityScore":3.9,"impactScore":2.9,"acInsufInfo":true,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:denx:u-boot:*:*:*:*:*:*:*:*","versionEndExcluding":"2017.09","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2017","CveId":"3225","Ordinal":"99456","Title":"CVE-2017-3225","CVE":"CVE-2017-3225","Year":"2017"},"notes":[{"CveYear":"2017","CveId":"3225","Ordinal":"1","NoteData":"Das U-Boot is a device bootloader that can read its configuration from an AES encrypted file. For devices utilizing this environment encryption mode, U-Boot's use of a zero initialization vector may allow attacks against the underlying cryptographic implementation and allow an attacker to decrypt the data. Das U-Boot's AES-CBC encryption feature uses a zero (0) initialization vector. This allows an attacker to perform dictionary attacks on encrypted data produced by Das U-Boot to learn information about the encrypted data.","Type":"Description","Title":null},{"CveYear":"2017","CveId":"3225","Ordinal":"2","NoteData":"2018-07-24","Type":"Other","Title":"Published"},{"CveYear":"2017","CveId":"3225","Ordinal":"3","NoteData":"2018-07-25","Type":"Other","Title":"Modified"}]}}}