CVE-2017-3197

moderate-risk
Published 2018-07-09

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.

Do I need to act?

~
2.8% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (2)

Gb-Bsi7H-6500 Firmware
Gb-Bxi7-5775 Firmware

Affected Vendors

Gigabyte

References (10)

Third Party Advisory http://www.securityfocus.com/bid/97294
Exploit https://github.com/CylanceVulnResearch/disclosures/blob/master/CLVA-2017-01-001....
Exploit https://github.com/CylanceVulnResearch/disclosures/blob/master/CLVA-2017-01-002....
Exploit https://www.cylance.com/en_us/blog/gigabyte-brix-systems-vulnerabilities.html
Third Party Advisory https://www.kb.cert.org/vuls/id/507496
Third Party Advisory http://www.securityfocus.com/bid/97294
Exploit https://github.com/CylanceVulnResearch/disclosures/blob/master/CLVA-2017-01-001....
Exploit https://github.com/CylanceVulnResearch/disclosures/blob/master/CLVA-2017-01-002....
Exploit https://www.cylance.com/en_us/blog/gigabyte-brix-systems-vulnerabilities.html
Third Party Advisory https://www.kb.cert.org/vuls/id/507496
45
/ 100
moderate-risk
Severity 32/34 · Critical
Exploitability 6/34 · Minimal
Exposure 7/34 · Low