CVE-2018-5086 Explained : Impact and Mitigation

K7 AntiVirus version 15.1.0306 is susceptible to a denial of service attack due to a driver file vulnerability.

Understanding CVE-2018-5086

This CVE involves a vulnerability in the K7 AntiVirus software that could be exploited by local users to trigger a denial of service attack or potentially cause other impacts.

What is CVE-2018-5086?

The driver file (K7FWHlpr.sys) in K7 AntiVirus version 15.1.0306 lacks input value validation from IOCtl 0x8300215F, allowing local users to exploit it.

The Impact of CVE-2018-5086

The vulnerability could lead to a denial of service (BSOD) attack or other unspecified impacts when exploited by local users.

Technical Details of CVE-2018-5086

This section provides more technical insights into the CVE.

Vulnerability Description

The driver file (K7FWHlpr.sys) in K7 AntiVirus version 15.1.0306 allows local users to cause a denial of service (BSOD) or other unspecified impacts due to the lack of input value validation from IOCtl 0x8300215F.

Affected Systems and Versions

Product: K7 AntiVirus
Version: 15.1.0306

Exploitation Mechanism

Local users can exploit the vulnerability in the driver file to trigger a denial of service attack or other impacts.

Mitigation and Prevention

Protecting systems from CVE-2018-5086 is crucial to maintaining security.

Immediate Steps to Take

Update K7 AntiVirus to the latest version that includes a patch for this vulnerability.
Monitor system logs for any unusual activities that might indicate exploitation.

Long-Term Security Practices

Implement the principle of least privilege to restrict user access and actions.
Regularly educate users on security best practices to prevent unauthorized system access.

Patching and Updates

Regularly check for security updates and patches from K7 AntiVirus to address known vulnerabilities.