Main Vulnerability Database Vulnerabilities #VU79426

#VU79426 Buffer overflow in Precision BIOS and PowerEdge Server BIOS - CVE-2022-34418

Published: August 11, 2023

Vulnerability identifier: #VU79426

Vulnerability risk: Low

CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

CVE-ID: CVE-2022-34418

CWE-ID: CWE-119

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerable software:
Precision BIOS
PowerEdge Server BIOS

Software vendor:
Dell

Description

The vulnerability allows a local privileged user to execute arbitrary code on the target system.

The vulnerability exists due to Improper SMM communication buffer verification. A local privileged user can send a specially crafted data, trigger memory corruption and execute arbitrary code on the target system.

Remediation

Install updates from vendor's website.

External links

https://www.dell.com/support/kbdoc/en-us/000206296/dsa-2022-204-dell-poweredge-improper-smm-communication-buffer-verification-vulnerability