Stack-based buffer overflow in DisplayTypeDxe - CVE-2021-42059
Published: February 3, 2022
Vulnerability identifier: #VU60286
CSH Severity: Low
CVSS v4: 8.4 [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]
CVE-ID: CVE-2021-42059
CWE-ID: CWE-121
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error. A local administrator 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.
Affected software
DisplayTypeDxe
How to mitigate CVE-2021-42059
Install updates from vendor's website.
DisplayTypeDxe - addressed in versions 5.0 05.08.41, 5.1: 05.16.41, 5.2: 05.26.41, 5.3: 05.35.41, 5.4: 05.42.20