CVE-2018-5220 : What You Need to Know

K7 Antivirus 15.1.0306 driver file (K7Sentry.sys) vulnerability allows local users to cause denial of service or other unforeseen consequences.

Understanding CVE-2018-5220

What is CVE-2018-5220?

The vulnerability in K7 Antivirus 15.1.0306's driver file (K7Sentry.sys) permits local users to trigger a denial of service (BSOD) or potentially lead to other unexpected outcomes due to input value validation failure from IOCtl 0x95002610.

The Impact of CVE-2018-5220

The vulnerability could result in a denial of service (BSOD) or other unforeseen consequences when exploited by local users.

Technical Details of CVE-2018-5220

Vulnerability Description

The driver file (K7Sentry.sys) in K7 Antivirus 15.1.0306 is vulnerable to exploitation by local users, potentially causing a denial of service (BSOD) or other unexpected outcomes due to input value validation failure from IOCtl 0x95002610.

Affected Systems and Versions

Product: K7 Antivirus 15.1.0306
Vendor: K7
Version: Not applicable

Exploitation Mechanism

The vulnerability arises from the lack of input value validation from IOCtl 0x95002610, allowing local users to exploit the driver file (K7Sentry.sys) in K7 Antivirus 15.1.0306.

Mitigation and Prevention

Immediate Steps to Take

Update K7 Antivirus to the latest version.
Monitor for any unusual system behavior.
Restrict access to vulnerable systems.

Long-Term Security Practices

Regularly update antivirus software and security patches.
Implement the principle of least privilege to limit user access.

Patching and Updates

Apply patches and updates provided by K7 to address the vulnerability in the driver file (K7Sentry.sys) of K7 Antivirus 15.1.0306.