SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2019-7244

The vulnerable driver exposes a wrmsr instruction via IOCTL 0x80112084 and does not properly filter the Model Specific Register (MSR).

HIGH 7.2EPSS 2.39%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (2.39%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

An issue was discovered in kerneld.sys in AIDA64 before 5.99. The vulnerable driver exposes a wrmsr instruction via IOCTL 0x80112084 and does not properly filter the Model Specific Register (MSR). Allowing arbitrary MSR writes can lead to Ring-0 code execution and escalation of privileges.

CVSS 3.1
7.2 HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS
2.39% probability · 83th percentile
CISA KEV
Not listed
Weakness
CWE-665
Affected
aida64/aida64
Source
cve@mitre.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.