Improper input validation in AMD products - CVE-2018-8930

 

Improper input validation in AMD products - CVE-2018-8930

Published: April 23, 2018 / Updated: April 23, 2018


Vulnerability identifier: #VU12095
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2018-8930
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: AMD
Affected software:
AMD EPYC Server
Ryzen
Ryzen Pro
Ryzen Mobile

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists in the AMD EPYC Server, Ryzen, Ryzen Pro, and Ryzen Mobile processor chips due to insufficient enforcement of Hardware Validated Boot, aka MASTERKEY-1, MASTERKEY-2, and MASTERKEY-3. A remote attacker can execute arbitrary code.

Successful exploitation of the vulnerability may result in system compromise.


How to mitigate CVE-2018-8930

Install update from vendor's website.

Sources