CVE-2020-28578 : Security Advisory and Response

A vulnerability in Trend Micro InterScan Web Security Virtual Appliance 6.5 SP2 could allow an unauthenticated, remote attacker to achieve remote code execution with elevated privileges.

Understanding CVE-2020-28578

This CVE identifies a critical vulnerability in Trend Micro InterScan Web Security Virtual Appliance 6.5 SP2.

What is CVE-2020-28578?

The vulnerability in Trend Micro InterScan Web Security Virtual Appliance 6.5 SP2 allows an unauthenticated, remote attacker to send a specially crafted HTTP message, leading to remote code execution with elevated privileges.

The Impact of CVE-2020-28578

The exploitation of this vulnerability could result in unauthorized remote code execution with elevated privileges, posing a significant security risk to affected systems.

Technical Details of CVE-2020-28578

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability is classified as an Unauthenticated Remote Stack Buffer Overflow, enabling attackers to execute arbitrary code remotely.

Affected Systems and Versions

Product: Trend Micro InterScan Web Security Virtual Appliance
Vendor: Trend Micro
Version: 6.5 SP2

Exploitation Mechanism

The vulnerability can be exploited by an unauthenticated, remote attacker sending a specifically crafted HTTP message to the affected system.

Mitigation and Prevention

Protecting systems from CVE-2020-28578 requires immediate action and long-term security measures.

Immediate Steps to Take

Apply security patches provided by Trend Micro promptly.
Implement network segmentation to limit the impact of potential attacks.
Monitor network traffic for any suspicious activity.

Long-Term Security Practices

Regularly update and patch all software and systems to prevent vulnerabilities.
Conduct security assessments and penetration testing to identify and address weaknesses.
Educate users on safe browsing habits and security best practices.
Utilize intrusion detection and prevention systems to enhance network security.
Consider implementing additional security layers such as firewalls and access controls.

Patching and Updates

Ensure that the Trend Micro InterScan Web Security Virtual Appliance is updated with the latest patches and security fixes to mitigate the risk of exploitation.