Security restrictions bypass in AMD products - CVE-2018-8936

 

Security restrictions bypass in AMD products - CVE-2018-8936

Published: April 23, 2018


Vulnerability identifier: #VU12102
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-2018-8936
CWE-ID: CWE-264
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 with elevated privileges on the target system.

The weakness exists in the AMD Ryzen, Ryzen Pro, and Ryzen Mobile processor chips due to improper Platform Security Processor (PSP) restrictions. A remote attacker can execute arbitrary code with root privileges.

Successful exploitation of the vulnerability may result in system compromise.

How to mitigate CVE-2018-8936

Install update form vendor's website.

Sources