CVE-2019-7630

Public Exploit

Description

An issue was discovered in gdrv.sys in Gigabyte APP Center before 19.0227.1. The vulnerable driver exposes a wrmsr instruction via IOCTL 0xC3502580 and does not properly filter the target Model Specific Register (MSR). Allowing arbitrary MSR writes can lead to Ring-0 code execution and escalation of privileges.

Category

7.2
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.76% Top 30%
Vendor Advisory gigabyte.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/fireeye/Vulnerability-Disclosures/blob/master/FEYE-2019-0003/FEYE-2019-0003.md third party advisory exploit
https://www.gigabyte.com/Support/Security/1801 patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2019-7630?
CVE-2019-7630 has been scored as a high severity vulnerability.
How to fix CVE-2019-7630?
To fix CVE-2019-7630, 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-2019-7630 being actively exploited in the wild?
It is possible that CVE-2019-7630 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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