CVE-2017-3197 Information

Description

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.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

http://www.securityfocus.com/bid/97294 https://github.com/CylanceVulnResearch/disclosures/blob/master/CLVA-2017-01-001.md https://github.com/CylanceVulnResearch/disclosures/blob/master/CLVA-2017-01-002.md https://www.cylance.com/en_us/blog/gigabyte-brix-systems-vulnerabilities.html https://www.kb.cert.org/vuls/id/507496

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8