CVE-2018-5083 : Security Advisory and Response

K7 AntiVirus 15.1.0306 driver file (K7FWHlpr.sys) vulnerability

Understanding CVE-2018-5083

This CVE involves a vulnerability in the K7 AntiVirus 15.1.0306 driver file that can be exploited by local users, potentially leading to a denial of service or other unknown consequences.

What is CVE-2018-5083?

The driver file (K7FWHlpr.sys) in K7 AntiVirus 15.1.0306 is susceptible to exploitation by local users due to inadequate validation of input values from IOCtl 0x8300215B.

The Impact of CVE-2018-5083

The vulnerability could allow local users to trigger a denial of service (BSOD) or potentially cause other unspecified impacts on the system.

Technical Details of CVE-2018-5083

The technical aspects of this CVE are as follows:

Vulnerability Description

The driver file (K7FWHlpr.sys) in K7 AntiVirus 15.1.0306 lacks proper validation of input values from IOCtl 0x8300215B, enabling local users to exploit it.

Affected Systems and Versions

Affected Product: K7 AntiVirus 15.1.0306
Affected Version: Not applicable

Exploitation Mechanism

Local users can exploit this vulnerability by manipulating input values from IOCtl 0x8300215B, potentially leading to a denial of service or other adverse effects.

Mitigation and Prevention

Protect your system from CVE-2018-5083 with the following measures:

Immediate Steps to Take

Consider restricting access to vulnerable systems
Monitor for any unusual system behavior

Long-Term Security Practices

Regularly update and patch the antivirus software
Implement the principle of least privilege to limit user access

Patching and Updates

Ensure timely installation of security patches and updates to address the vulnerability in K7 AntiVirus 15.1.0306.