CVE-2017-3198

Public Exploit
GIGABYTE BRIX UEFI firmware is not cryptographically signed

Description

GIGABYTE BRIX UEFI firmware does not cryptographically validate images prior to updating the system firmware. Additionally, the firmware updates are served over HTTP. An attacker can make arbitrary modifications to firmware images without being detected.

Categories

9.8
CVSS
Severity: Critical
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.22%
Third-Party Advisory cert.org Third-Party Advisory securityfocus.com Third-Party Advisory cylance.com
Affected: GIGABYTE GB-BSi7H-6500
Affected: GIGABYTE GB-BXi7-5775
Published at:
Updated at:

References

Link Tags
https://www.kb.cert.org/vuls/id/507496 third party advisory us government resource
http://www.securityfocus.com/bid/97294 vdb entry third party advisory
https://www.cylance.com/en_us/blog/gigabyte-brix-systems-vulnerabilities.html third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2017-3198?
CVE-2017-3198 has been scored as a critical severity vulnerability.
How to fix CVE-2017-3198?
To fix CVE-2017-3198, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-3198 being actively exploited in the wild?
It is possible that CVE-2017-3198 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-3198?
CVE-2017-3198 affects GIGABYTE GB-BSi7H-6500, GIGABYTE GB-BXi7-5775.
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