CVE-2018-5273 : Security Advisory and Response

Malwarebytes Premium 3.3.1.2183 driver file (FARFLT.SYS) may be vulnerable to a denial of service attack due to lack of input validation for IOCtl 0x9c40e014.

Understanding CVE-2018-5273

What is CVE-2018-5273?

The driver file in Malwarebytes Premium 3.3.1.2183 could allow local users to trigger a denial of service attack or other consequences by exploiting a lack of input validation for IOCtl 0x9c40e014.

The Impact of CVE-2018-5273

The vulnerability could lead to a denial of service (BSOD) attack by local users or potentially have other unidentified consequences.

Technical Details of CVE-2018-5273

Vulnerability Description

The driver file (FARFLT.SYS) in Malwarebytes Premium 3.3.1.2183 lacks input validation for IOCtl 0x9c40e014.

Affected Systems and Versions

Malwarebytes Premium 3.3.1.2183

Exploitation Mechanism

Local users can exploit the lack of input validation for IOCtl 0x9c40e014 to trigger a denial of service attack.

Mitigation and Prevention

Immediate Steps to Take

Monitor vendor updates for patches or workarounds.
Consider limiting access to vulnerable systems.

Long-Term Security Practices

Regularly update Malwarebytes Premium to the latest version.
Implement least privilege access controls.

Patching and Updates

Apply patches or updates provided by Malwarebytes to address the vulnerability.