#VU75992 Stack-based buffer overflow in AMD products - CVE-2023-20520 

 

#VU75992 Stack-based buffer overflow in AMD products - CVE-2023-20520

Published: May 10, 2023


Vulnerability identifier: #VU75992
Vulnerability risk: Low
CVSSv4.0: 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-2023-20520
CWE-ID: CWE-121
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
1st Gen AMD EPYC Processors
2nd Gen AMD EPYC Processors
3rd Gen AMD EPYC Processors
Software vendor:
AMD

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error in ASP Bootloader. A local user can trigger a stack-based buffer overflow and execute arbitrary code with elevated privileges.


Remediation

Install updates from vendor's website.

External links