Vulnerability CVE-2018-8932


Published: 2018-03-22

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

Type:

CWE-284

(Improper Access Control)

Vendor: AMD
Product: Ryzen firmware 
Product: Ryzen pro firmware 

CVSS2 => (AV:N/AC:M/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
9.3/10
10/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete

 References:
https://amdflaws.com/
https://blog.trailofbits.com/2018/03/15/amd-flaws-technical-summary/
https://community.amd.com/community/amd-corporate/blog/2018/03/21/initial-amd-technical-assessment-of-cts-labs-research
https://safefirmware.com/amdflaws_whitepaper.pdf

Related CVE
CVE-2018-8936
The AMD EPYC Server, Ryzen, Ryzen Pro, and Ryzen Mobile processor chips allow Platform Security Processor (PSP) privilege escalation.
CVE-2018-8935
The Promontory chipset, as used in AMD Ryzen and Ryzen Pro platforms, has a backdoor in the ASIC, aka CHIMERA-HW.
CVE-2018-8934
The Promontory chipset, as used in AMD Ryzen and Ryzen Pro platforms, has a backdoor in firmware, aka CHIMERA-FW.
CVE-2018-8933
The AMD EPYC Server processor chips have insufficient access control for protected memory regions, aka FALLOUT-1, FALLOUT-2, and FALLOUT-3.
CVE-2018-8931
The AMD Ryzen, Ryzen Pro, and Ryzen Mobile processor chips have insufficient access control for the Secure Processor, aka RYZENFALL-1.
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.
CVE-2015-7724
AMD fglrx-driver before 15.9 allows local users to gain privileges via a symlink attack. NOTE: This vulnerability exists due to an incomplete fix for CVE-2015-7723.
CVE-2015-7723
AMD fglrx-driver before 15.7 allows local users to gain privileges via a symlink attack.

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