#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
1st Gen AMD EPYC Processors
2nd Gen AMD EPYC Processors
3rd Gen AMD EPYC Processors
Software vendor:
AMD
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.