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Vulnerability Details :

CVE-2018-8935

Summary
Assigner-mitre
Assigner Org ID-8254265b-2729-46b6-b9e3-3dfca2d5bfca
Published At-22 Mar, 2018 | 14:00
Updated At-05 Aug, 2024 | 07:10
Rejected At-
Credits

The Promontory chipset, as used in AMD Ryzen and Ryzen Pro platforms, has a backdoor in the ASIC, aka CHIMERA-HW.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:mitre
Assigner Org ID:8254265b-2729-46b6-b9e3-3dfca2d5bfca
Published At:22 Mar, 2018 | 14:00
Updated At:05 Aug, 2024 | 07:10
Rejected At:
▼CVE Numbering Authority (CNA)

The Promontory chipset, as used in AMD Ryzen and Ryzen Pro platforms, has a backdoor in the ASIC, aka CHIMERA-HW.

Affected Products
Vendor
n/a
Product
n/a
Versions
Affected
  • n/a
Problem Types
TypeCWE IDDescription
textN/An/a
Type: text
CWE ID: N/A
Description: n/a
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://amdflaws.com/
x_refsource_MISC
https://blog.trailofbits.com/2018/03/15/amd-flaws-technical-summary/
x_refsource_MISC
https://community.amd.com/community/amd-corporate/blog/2018/03/21/initial-amd-technical-assessment-of-cts-labs-research
x_refsource_MISC
https://safefirmware.com/amdflaws_whitepaper.pdf
x_refsource_MISC
Hyperlink: https://amdflaws.com/
Resource:
x_refsource_MISC
Hyperlink: https://blog.trailofbits.com/2018/03/15/amd-flaws-technical-summary/
Resource:
x_refsource_MISC
Hyperlink: https://community.amd.com/community/amd-corporate/blog/2018/03/21/initial-amd-technical-assessment-of-cts-labs-research
Resource:
x_refsource_MISC
Hyperlink: https://safefirmware.com/amdflaws_whitepaper.pdf
Resource:
x_refsource_MISC
▼Authorized Data Publishers (ADP)
CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://amdflaws.com/
x_refsource_MISC
x_transferred
https://blog.trailofbits.com/2018/03/15/amd-flaws-technical-summary/
x_refsource_MISC
x_transferred
https://community.amd.com/community/amd-corporate/blog/2018/03/21/initial-amd-technical-assessment-of-cts-labs-research
x_refsource_MISC
x_transferred
https://safefirmware.com/amdflaws_whitepaper.pdf
x_refsource_MISC
x_transferred
Hyperlink: https://amdflaws.com/
Resource:
x_refsource_MISC
x_transferred
Hyperlink: https://blog.trailofbits.com/2018/03/15/amd-flaws-technical-summary/
Resource:
x_refsource_MISC
x_transferred
Hyperlink: https://community.amd.com/community/amd-corporate/blog/2018/03/21/initial-amd-technical-assessment-of-cts-labs-research
Resource:
x_refsource_MISC
x_transferred
Hyperlink: https://safefirmware.com/amdflaws_whitepaper.pdf
Resource:
x_refsource_MISC
x_transferred
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:cve@mitre.org
Published At:22 Mar, 2018 | 14:29
Updated At:03 Oct, 2019 | 00:03

The Promontory chipset, as used in AMD Ryzen and Ryzen Pro platforms, has a backdoor in the ASIC, aka CHIMERA-HW.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.09.0CRITICAL
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Primary2.09.3HIGH
AV:N/AC:M/Au:N/C:C/I:C/A:C
Type: Primary
Version: 3.0
Base score: 9.0
Base severity: CRITICAL
Vector:
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Type: Primary
Version: 2.0
Base score: 9.3
Base severity: HIGH
Vector:
AV:N/AC:M/Au:N/C:C/I:C/A:C
CPE Matches
Advanced Micro Devices, Inc.
amd
>>ryzen_pro_firmware>>-
cpe:2.3:o:amd:ryzen_pro_firmware:-:*:*:*:*:*:*:*
Advanced Micro Devices, Inc.
amd
>>ryzen_pro>>-
cpe:2.3:h:amd:ryzen_pro:-:*:*:*:*:*:*:*
Advanced Micro Devices, Inc.
amd
>>ryzen_firmware>>-
cpe:2.3:o:amd:ryzen_firmware:-:*:*:*:*:*:*:*
Advanced Micro Devices, Inc.
amd
>>ryzen>>-
cpe:2.3:h:amd:ryzen:-:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
NVD-CWE-noinfoPrimarynvd@nist.gov
CWE ID: NVD-CWE-noinfo
Type: Primary
Source: nvd@nist.gov
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://amdflaws.com/cve@mitre.org
Third Party Advisory
https://blog.trailofbits.com/2018/03/15/amd-flaws-technical-summary/cve@mitre.org
Third Party Advisory
https://community.amd.com/community/amd-corporate/blog/2018/03/21/initial-amd-technical-assessment-of-cts-labs-researchcve@mitre.org
Vendor Advisory
https://safefirmware.com/amdflaws_whitepaper.pdfcve@mitre.org
Third Party Advisory
Hyperlink: https://amdflaws.com/
Source: cve@mitre.org
Resource:
Third Party Advisory
Hyperlink: https://blog.trailofbits.com/2018/03/15/amd-flaws-technical-summary/
Source: cve@mitre.org
Resource:
Third Party Advisory
Hyperlink: https://community.amd.com/community/amd-corporate/blog/2018/03/21/initial-amd-technical-assessment-of-cts-labs-research
Source: cve@mitre.org
Resource:
Vendor Advisory
Hyperlink: https://safefirmware.com/amdflaws_whitepaper.pdf
Source: cve@mitre.org
Resource:
Third Party Advisory

Change History

0
Information is not available yet

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CVE-2018-8932
Matching Score-8
Assigner-MITRE Corporation
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Matching Score-8
Assigner-MITRE Corporation
CVSS Score-9||CRITICAL
EPSS-0.49% / 64.54%
||
7 Day CHG~0.00%
Published-22 Mar, 2018 | 14:00
Updated-05 Aug, 2024 | 07:10
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The AMD Ryzen and Ryzen Pro processor chips have insufficient access control for the Secure Processor, aka RYZENFALL-2, RYZENFALL-3, and RYZENFALL-4.

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CWE ID-CWE-732
Incorrect Permission Assignment for Critical Resource
CVE-2018-8934
Matching Score-8
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Matching Score-8
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CVSS Score-9||CRITICAL
EPSS-0.60% / 68.61%
||
7 Day CHG~0.00%
Published-22 Mar, 2018 | 14:00
Updated-05 Aug, 2024 | 07:10
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The Promontory chipset, as used in AMD Ryzen and Ryzen Pro platforms, has a backdoor in firmware, aka CHIMERA-FW.

Action-Not Available
Vendor-n/aAdvanced Micro Devices, Inc.
Product-ryzenryzen_proryzen_pro_firmwareryzen_firmwaren/a
CVE-2018-8933
Matching Score-8
Assigner-MITRE Corporation
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Matching Score-8
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EPSS-0.49% / 64.54%
||
7 Day CHG~0.00%
Published-22 Mar, 2018 | 14:00
Updated-05 Aug, 2024 | 07:10
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

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

Action-Not Available
Vendor-n/aAdvanced Micro Devices, Inc.
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CWE ID-CWE-732
Incorrect Permission Assignment for Critical Resource
CVE-2018-8930
Matching Score-8
Assigner-MITRE Corporation
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Matching Score-8
Assigner-MITRE Corporation
CVSS Score-9||CRITICAL
EPSS-0.60% / 68.61%
||
7 Day CHG~0.00%
Published-22 Mar, 2018 | 14:00
Updated-05 Aug, 2024 | 07:10
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

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.

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CVE-2018-8931
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Assigner-MITRE Corporation
CVSS Score-9||CRITICAL
EPSS-0.49% / 64.54%
||
7 Day CHG~0.00%
Published-22 Mar, 2018 | 14:00
Updated-05 Aug, 2024 | 07:10
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The AMD Ryzen, Ryzen Pro, and Ryzen Mobile processor chips have insufficient access control for the Secure Processor, aka RYZENFALL-1.

Action-Not Available
Vendor-n/aAdvanced Micro Devices, Inc.
Product-ryzen_mobileryzen_firmwareryzenryzen_mobile_firmwareryzen_pro_firmwareryzen_pron/a
CWE ID-CWE-732
Incorrect Permission Assignment for Critical Resource
CVE-2018-8936
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-9||CRITICAL
EPSS-0.60% / 68.61%
||
7 Day CHG~0.00%
Published-22 Mar, 2018 | 14:00
Updated-05 Aug, 2024 | 07:10
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The AMD EPYC Server, Ryzen, Ryzen Pro, and Ryzen Mobile processor chips allow Platform Security Processor (PSP) privilege escalation.

Action-Not Available
Vendor-n/aAdvanced Micro Devices, Inc.
Product-ryzen_mobileryzen_firmwareryzenryzen_mobile_firmwareryzen_pro_firmwareryzen_proepyc_serverepyc_server_firmwaren/a
Details not found