GIGABYTE BRIX UEFI firmware fails to securely implement BIOS write protection
25Vexday Risk Score
Prioritize patching. It exploitation observed by VulnCheck.
ssvc Attendepss 5.6%
from disclosure to weapon
Published on NVDJul 9
VulnCheckMar 31
exploitation probability
5.6%top 8% of all CVEs
observed exploitation
yesVulnCheck
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.
References
https://github.com/CylanceVulnResearch/disclosures/blob/master/CLVA-2017-01-001.mdhttps://github.com/CylanceVulnResearch/disclosures/blob/master/CLVA-2017-01-002.mdhttps://www.cylance.com/en_us/blog/gigabyte-brix-systems-vulnerabilities.htmlhttps://www.kb.cert.org/vuls/id/507496http://www.securityfocus.com/bid/97294