Vulnerability Name:

CVE-2018-8930 (CCN-140290)

Assigned:2018-03-13
Published:2018-03-13
Updated:2020-08-24
Summary: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.
CVSS v3 Severity:9.0 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H)
8.2 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:U/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
6.6 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H)
6.1 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): High
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:9.3 High (CVSS v2 Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
7.1 High (CCN CVSS v2 Vector: AV:N/AC:H/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): High
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-noinfo
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2018-8930

Source: CCN
Type: AMD Flaws Web site
Severe Security Advisory on AMD Processors

Source: MISC
Type: Third Party Advisory
https://amdflaws.com/

Source: CCN
Type: Trail of Bits Blog
“AMD Flaws” Technical Summary

Source: MISC
Type: Third Party Advisory
https://blog.trailofbits.com/2018/03/15/amd-flaws-technical-summary/

Source: CCN
Type: AMD
Initial AMD Technical Assessment of CTS Labs Research

Source: MISC
Type: Vendor Advisory
https://community.amd.com/community/amd-corporate/blog/2018/03/21/initial-amd-technical-assessment-of-cts-labs-research

Source: XF
Type: UNKNOWN
amd-masterkey-cve20188930-code-exec(140290)

Source: MISC
Type: Third Party Advisory
https://safefirmware.com/amdflaws_whitepaper.pdf

Source: CONFIRM
Type: UNKNOWN
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03841en_us

Vulnerable Configuration:Configuration 1:
  • cpe:/o:amd:ryzen_mobile_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:amd:ryzen_mobile:-:*:*:*:*:*:*:*

    • Configuration 2:
  • cpe:/o:amd:ryzen_pro_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:amd:ryzen_pro:-:*:*:*:*:*:*:*

    • Configuration 3:
  • cpe:/o:amd:epyc_server_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:amd:epyc_server:-:*:*:*:*:*:*:*

    • Configuration 4:
  • cpe:/o:amd:ryzen_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:amd:ryzen:-:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/h:amd:epyc_server:-:*:*:*:*:*:*:*
  • OR cpe:/a:amd:ryzen:*:*:*:*:*:*:*:*
  • OR cpe:/h:amd:ryzen_pro:-:*:*:*:*:*:*:*
  • OR cpe:/h:amd:ryzen_mobile:-:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    amd ryzen mobile firmware -
    amd ryzen mobile -
    amd ryzen pro firmware -
    amd ryzen pro -
    amd epyc server firmware -
    amd epyc server -
    amd ryzen firmware -
    amd ryzen -
    amd epyc server -
    amd ryzen *
    amd ryzen pro -
    amd ryzen mobile -