#VU65331 Heap-based buffer overflow in Universal Boot Loader (U-Boot) - CVE-2022-33967
Published: July 15, 2022
Vulnerability identifier: #VU65331
Vulnerability risk: Low
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:Clear
CVE-ID: CVE-2022-33967
CWE-ID: CWE-122
Exploitation vector: Local 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 local attacker to execute arbitrary code on the target system.
The vulnerability exists due to a defect in the metadata reading process. An attacker with physical access can use a specially crafted squashfs image, trigger a heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install updates from vendor's website.