Download of code without integrity check in Buildroot - CVE-2023-45839
Published: December 6, 2023
Vulnerability identifier: #VU83909
CSH Severity: High
CVSS v4.0: 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
Vendor: Buildroot
Affected software:
Buildroot
Buildroot
Detailed vulnerability 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.
How to mitigate CVE-2023-45839
Install updates from vendor's website.