Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2018-8935

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

Published

2018-03-22T14:29:00.940

Last Modified

2024-11-21T04:14:38.377

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 9.0 (CRITICAL)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

8.6

Impact Score

10.0

Weaknesses

Type: Primary
NVD-CWE-noinfo

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	amd	ryzen_pro_firmware	-	Yes
Hardware	amd	ryzen_pro	-	No
Operating System	amd	ryzen_firmware	-	Yes
Hardware	amd	ryzen	-	No

References

https://amdflaws.com/ Third Party Advisory ([email protected])
https://blog.trailofbits.com/2018/03/15/amd-flaws-technical-summary/ Third Party Advisory ([email protected])
https://community.amd.com/community/amd-corporate/blog/2018/03/21/initial-amd-technical-assessment-of-cts-labs-research Vendor Advisory ([email protected])
https://safefirmware.com/amdflaws_whitepaper.pdf Third Party Advisory ([email protected])
https://amdflaws.com/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://blog.trailofbits.com/2018/03/15/amd-flaws-technical-summary/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://community.amd.com/community/amd-corporate/blog/2018/03/21/initial-amd-technical-assessment-of-cts-labs-research Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://safefirmware.com/amdflaws_whitepaper.pdf Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)