Buffer overflow in PowerEdge Server BIOS and Precision BIOS - CVE-2022-34406
Published: August 11, 2023
Vulnerability identifier: #VU79401
CSH Severity: Low
CVSS v4.0: 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-2022-34406
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Dell
Affected software:
PowerEdge Server BIOS
Precision BIOS
PowerEdge Server BIOS
Precision BIOS
Detailed vulnerability 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.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
How to mitigate CVE-2022-34406
Install updates from vendor's website.