PT-2018-14465 · Denx+1 · U-Boot+1

Andrea Barisani · Published 2018-11-20 · Updated 2019-12-10 · CVE-2018-18440

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

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

Description The issue arises from mishandled filesystem loading, leading to a locally exploitable buffer overflow when a crafted kernel image is used.

Recommendations For versions prior to 2018.09-rc1, update to a version that properly handles filesystem loading to prevent the buffer overflow.

Exploit

Fix

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

CVE-2018-18440

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://ubuntu.com/security/CVE-2018-18440 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-18440 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2018-18440 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2018-18440 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2018-18440 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2018-18440 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2018-18440 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-18440 · Security Note
• https://cert-portal.siemens.com/productcert/pdf/ssa-618620.pdf · Note
• https://openwall.com/lists/oss-security/2018/11/02/2 · Note
• https://packages.debian.org/src:u-boot · Note