Published: 22/03/2018 Updated: 03/10/2019

CVSS v2 Base Score: 9.3 | Impact Score: 10 | Exploitability Score: 8.6

CVSS v3 Base Score: 9 | Impact Score: 6 | Exploitability Score: 2.2

VMScore: 828

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

The AMD EPYC Server processor chips have insufficient access control for protected memory regions, aka FALLOUT-1, FALLOUT-2, and FALLOUT-3.

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Vulnerability Description Impact MASTERKEY Attacker who already has compromised the security of a system updates flash to corrupt its contents AMD Secure Processor (PSP) checks do not detect the corruption Requires administrative access to the targeted system Circumvention of platform security controls These changes are persistent f ...

CWE-732 https://safefirmware.com/amdflaws_whitepaper.pdf https://community.amd.com/community/amd-corporate/blog/2018/03/21/initial-amd-technical-assessment-of-cts-labs-research https://blog.trailofbits.com/2018/03/15/amd-flaws-technical-summary/https://amdflaws.com/https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03841en_us https://nvd.nist.gov https://support.hp.com/us-en/document/c05950716

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CVE-2018-8933

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