CVE-2018-5217 : Vulnerability Insights and Analysis

K7 Antivirus version 15.1.0306 contains a vulnerability in the driver file (K7Sentry.sys) that can be exploited by local users, potentially leading to a denial of service (BSOD) or other consequences due to input validation failure for IOCtl 0x95002578.

Understanding CVE-2018-5217

This CVE entry describes a vulnerability in K7 Antivirus version 15.1.0306 that allows local users to trigger a denial of service attack or other impacts by exploiting a flaw in input validation.

What is CVE-2018-5217?

The driver file (K7Sentry.sys) in K7 Antivirus version 15.1.0306 is susceptible to exploitation by local users, enabling them to cause a denial of service, potentially resulting in a BSOD or other unspecified consequences due to inadequate input validation for IOCtl 0x95002578.

The Impact of CVE-2018-5217

The vulnerability in K7 Antivirus version 15.1.0306 can have the following consequences:

Local users can trigger a denial of service attack.
It may lead to a BSOD (Blue Screen of Death) or other unspecified impacts.

Technical Details of CVE-2018-5217

This section provides technical details about the vulnerability.

Vulnerability Description

The driver file (K7Sentry.sys) in K7 Antivirus version 15.1.0306 allows local users to exploit a vulnerability, leading to a denial of service (BSOD) or potentially causing other unspecified consequences due to the lack of input validation for IOCtl 0x95002578.

Affected Systems and Versions

Affected Product: K7 Antivirus
Affected Version: 15.1.0306

Exploitation Mechanism

The vulnerability can be exploited by local users through the following mechanism:

Failure of input validation for IOCtl 0x95002578.

Mitigation and Prevention

To address CVE-2018-5217, consider the following mitigation strategies:

Immediate Steps to Take

Update K7 Antivirus to the latest version.
Monitor system logs for any suspicious activities.

Long-Term Security Practices

Implement the principle of least privilege to restrict user access.
Conduct regular security training for users to raise awareness about potential threats.

Patching and Updates

Regularly check for security updates and patches from K7 Antivirus.