#VU63730 Input validation error in AMD Ryzen 3000 Series Mobile processor with Radeon graphics and AMD Ryzen 5000 Series Mobile processor with Radeon graphics - CVE-2020-12946
Vulnerability identifier: #VU63730
Vulnerability risk: Low
CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2020-12946
CWE-ID:
CWE-20
Exploitation vector: Local
Exploit availability: No
Vulnerable software:
AMD Ryzen 3000 Series Mobile processor with Radeon graphics
Hardware solutions /
Firmware
AMD Ryzen 5000 Series Mobile processor with Radeon graphics
Hardware solutions /
Firmware
Vendor: AMD
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input in ASP firmware for discrete TPM commands. A local user can perform a denial of service (DoS) attack.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
AMD Ryzen 3000 Series Mobile processor with Radeon graphics: All versions
AMD Ryzen 5000 Series Mobile processor with Radeon graphics: All versions
External links
https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1027
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
