PT-2018-1086 · Amd · Ryzen Mobile+2

Cfir Cohen · Published 2018-03-12 · Updated 2019-10-03 · CVE-2018-8931

Positive Technologies (AI Summary)

CVSS v2.0

9.3

High

Base vector

AV:N/AC:M/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions AMD Ryzen, Ryzen Pro, and Ryzen Mobile processor chips (affected versions not specified)

Description The issue is related to insufficient access control for the Secure Processor in AMD Ryzen, Ryzen Pro, and Ryzen Mobile processor chips. This allows an attacker with administrative privileges and access to the targeted computer to write to the protected area of the processor (VTL-1 memory) by writing to the AMD Secure Processor coprocessor registers.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Incorrect Permission

Weakness Enumeration

CWE-264

CWE-732

Related Identifiers

BDU:2018-00467

CVE-2018-8931

Affected Products

Amd Ryzen

Ryzen Mobile

Ryzen Pro

References · 8

• https://community.amd.com/community/amd-corporate/blog/2018/03/21/initial-amd-technical-assessment-of-cts-labs-research · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-8931 · Security Note
• https://bdu.fstec.ru/vul/2018-00467 · Security Note
• https://vuldb.com/de/?id.114934 · Note
• https://blog.trailofbits.com/2018/03/15/amd-flaws-technical-summary · Note
• https://safefirmware.com/amdflaws_whitepaper.pdf · Note
• https://amdflaws.com · Note
• https://securitylab.ru/news/492088.php · Note