CVE-2018-3968 describes a critical vulnerability in Das U-Boot versions 2013.07-rc1 through 2014.07-rc2, specifically impacting its verified boot protection. This flaw allows a local attacker to bypass signature enforcement for FIT images, enabling the execution of an unsigned kernel embedded in a legacy image format. With a CVSS score of 7.0 (HIGH), this vulnerability requires local access and high attack complexity but can lead to complete compromise of confidentiality, integrity, and availability. While the EPSS score is low, indicating a low probability of exploitation, there is no public exploit code available, and it is not listed on the KEV catalog. Community discussion and media coverage are minimal, suggesting limited public awareness or active exploitation.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 2013.07, <= 2014.07CPE matchmatch criteria | cpe:2.3:a:denx:u-boot:*:*:*:*:*:*:*:* | ||
2013.07CPE matchmatch criteria | cpe:2.3:a:denx:u-boot:2013.07:rc1:*:*:*:*:*:* | ||
2013.07CPE matchmatch criteria | cpe:2.3:a:denx:u-boot:2013.07:rc2:*:*:*:*:*:* | ||
2013.07CPE matchmatch criteria | cpe:2.3:a:denx:u-boot:2013.07:rc3:*:*:*:*:*:* | ||
2014.07CPE matchmatch criteria | cpe:2.3:a:denx:u-boot:2014.07:rc1:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
The average CVE in this peer group has 0.4 InfoSec Media, 0.1 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.