#VU15741 Buffer overflow in Universal Boot Loader (U-Boot) - CVE-2018-18440
Published: November 7, 2018 / Updated: December 20, 2022
Vulnerability identifier: #VU15741
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2018-18440
CWE-ID: CWE-120
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Universal Boot Loader (U-Boot)
Universal Boot Loader (U-Boot)
Software vendor:
DENX
DENX
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The weakness exists in U-Boot open-source bootloader for embedded devices due to boundary error in the network image boot feature when handling malicious input. A remote attacker can trick the victim into loading a specially crafted image, trigger memory corruption and execute arbitrary code with elevated privileges.
Successful exploitation of the vulnerability may result in system compromise.
The weakness exists in U-Boot open-source bootloader for embedded devices due to boundary error in the network image boot feature when handling malicious input. A remote attacker can trick the victim into loading a specially crafted image, trigger memory corruption and execute arbitrary code with elevated privileges.
Successful exploitation of the vulnerability may result in system compromise.
Remediation
Install update from vendor's website.