#VU83909 Download of code without integrity check in Buildroot - CVE-2023-45839
Published: December 6, 2023
Vulnerability identifier: #VU83909
Vulnerability risk: 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-2023-45839
CWE-ID: CWE-494
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Buildroot
Buildroot
Software vendor:
Buildroot
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 aufs-util 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.