Download of code without integrity check in Buildroot - CVE-2023-45840

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Main Vulnerability Database Vulnerabilities #VU83911

Download of code without integrity check in Buildroot - CVE-2023-45840

Published: December 6, 2023


Vulnerability identifier: #VU83911
CSH Severity: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber
CVE-ID: CVE-2023-45840
CWE-ID: CWE-494
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Buildroot
Software vendor:
Buildroot

Description

The vulnerability allows a remote attacker to compromise the affected system

The vulnerability exists due to software does not perform software integrity check when downloading updates within the package hash checking functionality in the riscv64-elf-toolchain function. A remote attacker with ability to perform man-in-the-middle (MitM) attack can supply a malicious software image and gain full control over the affected system after a successful software update.


Remediation

Install updates from vendor's website.

External links