PT-2018-1089 · Amd · Promontory

Published 2018-03-12 · Updated 2019-10-03 · CVE-2018-8934

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 Promontory chipset versions (affected versions not specified)

Description The issue concerns a backdoor in the firmware of the Promontory chipset, used in AMD Ryzen and Ryzen Pro platforms. This backdoor allows an attacker with administrative privileges and access to the targeted computer to gain access to physical memory by utilizing a network device or a specially crafted driver.

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

RCE

Weakness Enumeration

CWE-506

Related Identifiers

BDU:2018-00474

CVE-2018-8934

Affected Products

Promontory

References · 8

• https://community.amd.com/community/amd-corporate/blog/2018/03/21/initial-amd-technical-assessment-of-cts-labs-research · Vendor Advisory
• https://bdu.fstec.ru/vul/2018-00474 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2018-8934 · Security Note
• https://blog.trailofbits.com/2018/03/15/amd-flaws-technical-summary · Note
• https://safefirmware.com/amdflaws_whitepaper.pdf · Note
• https://vuldb.com/de/?id.114937 · Note
• https://amdflaws.com · Note
• https://securitylab.ru/news/492088.php · Note