PT-2018-14463 · Denx+1 · U-Boot+1

Andrea Barisani · Published 2018-11-20 · Updated 2023-01-23 · CVE-2018-18439

Positive Technologies (AI Summary)

CVSS v2.0

10

Critical

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions DENX U-Boot versions through 2018.09-rc1

Description The issue is a buffer overflow that can be exploited remotely through a malicious TFTP server due to mishandled TFTP traffic. Additionally, local exploitation is possible via a crafted kernel image.

Recommendations For DENX U-Boot versions through 2018.09-rc1, as a temporary workaround, consider restricting access to TFTP servers and avoiding the use of crafted kernel images until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

CVE-2018-18439

Affected Products

Debian

U-Boot

References · 13

• 🔥 http://openwall.com/lists/oss-security/2018/11/02/2 · Exploit
• https://security-tracker.debian.org/tracker/source-package/u-boot · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-18439 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2018-18439 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2018-18439 · Security Note
• https://ubuntu.com/security/CVE-2018-18439 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2018-18439 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2018-18439 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2018-18439 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-18439 · Security Note
• https://openwall.com/lists/oss-security/2018/11/02/2 · Note
• https://t.me/cvenotify/42681 · Telegram Post
• https://packages.debian.org/src:u-boot · Note