GIGABYTE BRIX UEFI firmware fails to securely implement BIOS write protection
CVE-2017-3197

9.8CRITICAL

Key Information:

Vendor

Gigabyte

Status
Gb-bsi7h-6500
Gb-bxi7-5775
Vendor
CVE Published:
9 July 2018

What is CVE-2017-3197?

GIGABYTE BRIX UEFI firmware for the GB-BSi7H-6500 (version F6) and GB-BXi7-5775 (version F2) platforms does not securely implement BIOSWE, BLE, SMM_BWP, and PRx features. As a result, the BIOS is not protected from arbitrary write access and may permit modifications to the SPI flash.

Affected Version(s)

GB-BSi7H-6500 F6

GB-BXi7-5775 F2

References

https://github.com/CylanceVulnResearch/disclosures/blob/m...
x_refsource_MISC
https://github.com/CylanceVulnResearch/disclosures/blob/m...
x_refsource_MISC
https://www.kb.cert.org/vuls/id/507496
third-party-advisoryx_refsource_CERT-VN

EPSS Score

5% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.