Stack-based buffer overflow in ThinkPad X13s BIOS - CVE-2022-40516

 

Stack-based buffer overflow in ThinkPad X13s BIOS - CVE-2022-40516

Published: January 4, 2023 / Updated: January 11, 2023


Vulnerability identifier: #VU70674
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-40516
CWE-ID: CWE-121
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Lenovo
Affected software:
ThinkPad X13s BIOS

Detailed vulnerability description

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

The vulnerability exists due to a boundary error. A local user can trigger stack-based buffer overflow 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-2022-40516

Install updates from vendor's website.

Sources