CVE-2018-3968 HIGH

CVE-2018-3968

Vendor N/A
Product Das U-Boot
Published March 21, 2019
Last update August 5, 2024

CVSS base score

8.2/10
Attack vector Local
Attack complexity Low
Privileges required High
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

March 21, 2019 CVE published
August 5, 2024 Record updated