Vulnerability Details : CVE-2018-8930
The AMD EPYC Server, Ryzen, Ryzen Pro, and Ryzen Mobile processor chips have insufficient enforcement of Hardware Validated Boot, aka MASTERKEY-1, MASTERKEY-2, and MASTERKEY-3.
Products affected by CVE-2018-8930
- cpe:2.3:o:amd:ryzen_mobile_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_pro_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:epyc_server_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_firmware:-:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-8930
0.60%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 68 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-8930
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
9.3
|
HIGH | AV:N/AC:M/Au:N/C:C/I:C/A:C |
8.6
|
10.0
|
NIST | |
|
9.0
|
CRITICAL | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H |
2.2
|
6.0
|
NIST |
References for CVE-2018-8930
-
https://blog.trailofbits.com/2018/03/15/amd-flaws-technical-summary/
“AMD Flaws” Technical Summary | Trail of Bits BlogThird Party Advisory
-
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03841en_us
HPESBHF03841 rev.2 - Certain HPE Servers with AMD-based Processors, Multiple Vulnerabilities (Fallout/Masterkey)
-
https://safefirmware.com/amdflaws_whitepaper.pdf
Third Party Advisory
-
https://community.amd.com/community/amd-corporate/blog/2018/03/21/initial-amd-technical-assessment-of-cts-labs-research
Initial AMD Technical Assessment of CTS Labs Re... | CommunityVendor Advisory
-
https://amdflaws.com/
Third Party Advisory
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