CVE-2019-19688 : Security Advisory and Response

Trend Micro HouseCall for Home Networks below version 5.3.0.1063 is susceptible to a privilege escalation vulnerability that could allow an attacker to elevate privileges by inserting a malicious DLL file into the application directory.

Understanding CVE-2019-19688

This CVE identifies a security flaw in Trend Micro HouseCall for Home Networks that enables privilege escalation.

What is CVE-2019-19688?

CVE-2019-19688 is a vulnerability in Trend Micro HouseCall for Home Networks versions below 5.3.0.1063 that permits attackers to increase user privileges by placing a harmful DLL file in the application directory.

The Impact of CVE-2019-19688

The vulnerability allows threat actors to execute arbitrary code with elevated privileges, potentially leading to further system compromise and data theft.

Technical Details of CVE-2019-19688

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The flaw in Trend Micro HouseCall for Home Networks below version 5.3.0.1063 enables attackers to exploit the application by inserting a malicious DLL file, leading to privilege escalation.

Affected Systems and Versions

Product: Trend Micro HouseCall for Home Networks
Vendor: Trend Micro
Vulnerable Version: Below 5.3.0.1063

Exploitation Mechanism

Attackers can take advantage of this vulnerability by inserting a harmful DLL file into the application directory, thereby gaining elevated privileges.

Mitigation and Prevention

Protecting systems from CVE-2019-19688 requires immediate action and long-term security practices.

Immediate Steps to Take

Update Trend Micro HouseCall for Home Networks to version 5.3.0.1063 or higher to mitigate the vulnerability.
Regularly monitor for any suspicious activities or unauthorized changes in the application directory.

Long-Term Security Practices

Implement the principle of least privilege to restrict user access rights.
Conduct regular security audits and penetration testing to identify and address vulnerabilities proactively.

Patching and Updates

Stay informed about security updates and patches released by Trend Micro to address known vulnerabilities and enhance system security.