CVE-2021-42012 : Vulnerability Insights and Analysis

A stack-based buffer overflow vulnerability in Trend Micro Apex One, Apex One as a Service, and Worry-Free Business Security 10.0 SP1 could allow a local attacker to escalate privileges on affected installations.

Understanding CVE-2021-42012

This CVE involves a privilege escalation vulnerability in Trend Micro security products.

What is CVE-2021-42012?

It is a stack-based buffer overflow vulnerability in Trend Micro Apex One, Apex One as a Service, and Worry-Free Business Security 10.0 SP1.
An attacker with the ability to run low-privileged code on the system can exploit this vulnerability to escalate privileges.

The Impact of CVE-2021-42012

Allows a local attacker to elevate their privileges on systems running affected Trend Micro products.

Technical Details of CVE-2021-42012

This section provides technical insights into the vulnerability.

Vulnerability Description

The vulnerability is a stack-based buffer overflow in Trend Micro Apex One, Apex One as a Service, and Worry-Free Business Security 10.0 SP1.

Affected Systems and Versions

Trend Micro Apex One 2019, SaaS
Trend Micro Worry-Free Business Security 10.0 SP1

Exploitation Mechanism

Attackers need prior execution of low-privileged code on the target system to leverage this vulnerability.

Mitigation and Prevention

Steps to mitigate and prevent exploitation of this vulnerability.

Immediate Steps to Take

Apply security patches provided by Trend Micro promptly.
Monitor for any unauthorized system access.

Long-Term Security Practices

Implement the principle of least privilege to restrict user capabilities.
Conduct regular security audits and penetration testing.

Patching and Updates

Stay informed about security updates from Trend Micro and apply them as soon as they are released.