CVE-2018-8934
AMD Ryzen and Ryzen Pro Promontory Chipset Firmware Backdoor
Description
The Promontory chipset, as used in AMD Ryzen and Ryzen Pro platforms, has a backdoor in firmware, aka CHIMERA-FW.
INFO
Published Date :
March 22, 2018, 2:29 p.m.
Last Modified :
Nov. 21, 2024, 4:14 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
6.0
Exploitability Score :
2.2
Affected Products
The following products are affected by CVE-2018-8934
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2018-8934.
| URL | Resource |
|---|---|
| https://amdflaws.com/ | Third Party Advisory |
| https://blog.trailofbits.com/2018/03/15/amd-flaws-technical-summary/ | Third Party Advisory |
| https://community.amd.com/community/amd-corporate/blog/2018/03/21/initial-amd-technical-assessment-of-cts-labs-research | Vendor Advisory |
| https://safefirmware.com/amdflaws_whitepaper.pdf | Third Party Advisory |
| https://amdflaws.com/ | Third Party Advisory |
| https://blog.trailofbits.com/2018/03/15/amd-flaws-technical-summary/ | Third Party Advisory |
| https://community.amd.com/community/amd-corporate/blog/2018/03/21/initial-amd-technical-assessment-of-cts-labs-research | Vendor Advisory |
| https://safefirmware.com/amdflaws_whitepaper.pdf | Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2018-8934 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2018-8934 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://amdflaws.com/ Added Reference https://blog.trailofbits.com/2018/03/15/amd-flaws-technical-summary/ Added Reference https://community.amd.com/community/amd-corporate/blog/2018/03/21/initial-amd-technical-assessment-of-cts-labs-research Added Reference https://safefirmware.com/amdflaws_whitepaper.pdf -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CWE Remap by [email protected]
Oct. 03, 2019
Action Type Old Value New Value Changed CWE CWE-264 CWE-798 NVD-CWE-noinfo -
Initial Analysis by [email protected]
Apr. 19, 2018
Action Type Old Value New Value Added CVSS V2 (AV:N/AC:M/Au:N/C:C/I:C/A:C) Added CVSS V3 AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H Changed Reference Type https://blog.trailofbits.com/2018/03/15/amd-flaws-technical-summary/ No Types Assigned https://blog.trailofbits.com/2018/03/15/amd-flaws-technical-summary/ Third Party Advisory Changed Reference Type https://safefirmware.com/amdflaws_whitepaper.pdf No Types Assigned https://safefirmware.com/amdflaws_whitepaper.pdf Third Party Advisory Changed Reference Type https://amdflaws.com/ No Types Assigned https://amdflaws.com/ Third Party Advisory Changed Reference Type https://community.amd.com/community/amd-corporate/blog/2018/03/21/initial-amd-technical-assessment-of-cts-labs-research No Types Assigned https://community.amd.com/community/amd-corporate/blog/2018/03/21/initial-amd-technical-assessment-of-cts-labs-research Vendor Advisory Added CWE CWE-264 Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_pro_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_pro:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen:-:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2018-8934 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2018-8934
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.36 }} 0.01%
score
0.68712
percentile