CVE-2018-18439 describes a critical buffer overflow vulnerability in DENX U-Boot versions through 2018.09-rc1. This flaw allows remote attackers to execute arbitrary code via a malicious TFTP server or local attackers through a crafted kernel image. With a CVSS score of 9.8 (CRITICAL), it presents a severe risk due to its network-exploitable nature, low attack complexity, and complete compromise of confidentiality, integrity, and availability. While there is no evidence of active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion and media coverage, indicating awareness among security researchers.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 2018.09CPE matchmatch criteria | cpe:2.3:a:denx:u-boot:*:*:*:*:*:*:*:* | ||
2018.09CPE matchmatch criteria | cpe:2.3:a:denx:u-boot:2018.09:rc1:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.