{"containers":{"cna":{"affected":[{"product":"Das U-Boot","vendor":"n/a","versions":[{"status":"affected","version":"Das U-Boot 2013.07-rc1 to 2014.07-rc2 OCTEON-SDK 3.1.2 to 5.1 CUJO Smart Firewall - Firmware version 7003"}]}],"datePublic":"2019-03-19T00:00:00.000Z","descriptions":[{"lang":"en","value":"An exploitable vulnerability exists in the verified boot protection of the Das U-Boot from version 2013.07-rc1 to 2014.07-rc2. The affected versions lack proper FIT signature enforcement, which allows an attacker to bypass U-Boot's verified boot and execute an unsigned kernel, embedded in a legacy image format. To trigger this vulnerability, a local attacker needs to be able to supply the image to boot."}],"metrics":[{"cvssV3_0":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":8.2,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"HIGH","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","version":"3.0"}}],"problemTypes":[{"descriptions":[{"description":"Improper Verification of Cryptographic Signature","lang":"en","type":"text"}]}],"providerMetadata":{"dateUpdated":"2022-04-19T18:07:11.000Z","orgId":"b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b","shortName":"talos"},"references":[{"tags":["x_refsource_MISC"],"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2018-0633"}],"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"talos-cna@cisco.com","ID":"CVE-2018-3968","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Das U-Boot","version":{"version_data":[{"version_value":"Das U-Boot 2013.07-rc1 to 2014.07-rc2 OCTEON-SDK 3.1.2 to 5.1 CUJO Smart Firewall - Firmware version 7003"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"An exploitable vulnerability exists in the verified boot protection of the Das U-Boot from version 2013.07-rc1 to 2014.07-rc2. The affected versions lack proper FIT signature enforcement, which allows an attacker to bypass U-Boot's verified boot and execute an unsigned kernel, embedded in a legacy image format. To trigger this vulnerability, a local attacker needs to be able to supply the image to boot."}]},"impact":{"cvss":{"baseScore":8.2,"baseSeverity":"High","vectorString":"CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","version":"3.0"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"Improper Verification of Cryptographic Signature"}]}]},"references":{"reference_data":[{"name":"https://talosintelligence.com/vulnerability_reports/TALOS-2018-0633","refsource":"MISC","url":"https://talosintelligence.com/vulnerability_reports/TALOS-2018-0633"}]}}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-05T04:57:24.503Z"},"title":"CVE Program Container","references":[{"tags":["x_refsource_MISC","x_transferred"],"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2018-0633"}]}]},"cveMetadata":{"assignerOrgId":"b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b","assignerShortName":"talos","cveId":"CVE-2018-3968","datePublished":"2019-03-21T16:36:03.000Z","dateReserved":"2018-01-02T00:00:00.000Z","dateUpdated":"2024-08-05T04:57:24.503Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"}