CVE-2023-32554 : Exploit Details and Defense Strategies

A Time-of-Check Time-Of-Use vulnerability in Trend Micro Apex One and Apex One as a Service agent poses a risk of privilege escalation for local attackers.

Understanding CVE-2023-32554

This vulnerability allows a local attacker to escalate privileges on affected installations of Trend Micro Apex One and Apex One as a Service by exploiting Time-of-Check Time-Of-Use vulnerability.

What is CVE-2023-32554?

CVE-2023-32554 is a security flaw in Trend Micro Apex One and Apex One as a Service agent that could be exploited by a local attacker to escalate privileges on the target system.

The Impact of CVE-2023-32554

The vulnerability could lead to local attackers gaining elevated privileges on affected installations, potentially compromising the security of the system and sensitive data.

Technical Details of CVE-2023-32554

This section provides a detailed insight into the vulnerability, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability resides in Trend Micro Apex One and Apex One as a Service agent, enabling local attackers to escalate privileges upon executing low-privileged code on the system.

Affected Systems and Versions

Trend Micro Apex One versions 2019 with a version less than 14.0.0.12024 are susceptible to this privilege escalation vulnerability.

Exploitation Mechanism

To exploit CVE-2023-32554, a local attacker must first execute low-privileged code on the target system to escalate privileges.

Mitigation and Prevention

Outlined below are the necessary steps to mitigate the risks posed by CVE-2023-32554 and prevent potential exploitation.

Immediate Steps to Take

Update Trend Micro Apex One and Apex One as a Service agent to version 14.0.0.12024 or higher to eliminate the vulnerability.
Monitor system activities for any suspicious behavior indicating a privilege escalation attempt.

Long-Term Security Practices

Regularly update security patches and software to prevent exposure to known vulnerabilities.
Implement the principle of least privilege to restrict user access and mitigate potential risks.

Patching and Updates

Stay informed about security updates and advisories from Trend Micro to promptly apply patches that address CVE-2023-32554.