CVE-2018-8930
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:C/I:C/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
75.0%
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.
Affected configurations
| Vendor | Product | Version | CPE |
|---|---|---|---|
| amd | ryzen_mobile_firmware | - | cpe:2.3:o:amd:ryzen_mobile_firmware:-:*:*:*:*:*:*:* |
| amd | ryzen_mobile | - | cpe:2.3:h:amd:ryzen_mobile:-:*:*:*:*:*:*:* |
| amd | ryzen_pro_firmware | - | cpe:2.3:o:amd:ryzen_pro_firmware:-:*:*:*:*:*:*:* |
| amd | ryzen_pro | - | cpe:2.3:h:amd:ryzen_pro:-:*:*:*:*:*:*:* |
| amd | epyc_server_firmware | - | cpe:2.3:o:amd:epyc_server_firmware:-:*:*:*:*:*:*:* |
| amd | epyc_server | - | cpe:2.3:h:amd:epyc_server:-:*:*:*:*:*:*:* |
| amd | ryzen_firmware | - | cpe:2.3:o:amd:ryzen_firmware:-:*:*:*:*:*:*:* |
| amd | ryzen | - | cpe:2.3:h:amd:ryzen:-:*:*:*:*:*:*:* |
References
amdflaws.com/
blog.trailofbits.com/2018/03/15/amd-flaws-technical-summary/
community.amd.com/community/amd-corporate/blog/2018/03/21/initial-amd-technical-assessment-of-cts-labs-research
safefirmware.com/amdflaws_whitepaper.pdf
support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03841en_us
Related
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:C/I:C/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
75.0%