CVE-2021-28648 : Security Advisory and Response

Trend Micro Antivirus for Mac 2020 v10.5 and 2021 v11 (Consumer) is vulnerable to an improper access control privilege escalation vulnerability that could allow an attacker to establish a connection leading to full local privilege escalation within the application. This CVE was published on April 22, 2021, by Trend Micro.

Understanding CVE-2021-28648

This section will cover the details of the CVE-2021-28648 vulnerability in Trend Micro Antivirus for Mac.

What is CVE-2021-28648?

CVE-2021-28648 affects Trend Micro Antivirus for Mac versions 2020 v10.5 and 2021 v11 (Consumer). It is an improper access control privilege escalation vulnerability.

The Impact of CVE-2021-28648

The vulnerability could be exploited by an attacker who has the ability to execute low-privileged code on the target system. Successful exploitation could lead to full local privilege escalation within the application.

Technical Details of CVE-2021-28648

Now, let's dive into the technical aspects of CVE-2021-28648 in Trend Micro Antivirus for Mac.

Vulnerability Description

The vulnerability allows an attacker to establish a connection that could result in full local privilege escalation within the application.

Affected Systems and Versions

Trend Micro Antivirus for Mac versions 2020 v10.5 and 2021 v11 (Consumer) are affected by this CVE.

Exploitation Mechanism

To exploit this vulnerability, an attacker must first be able to execute low-privileged code on the target system.

Mitigation and Prevention

In this section, we will discuss the mitigation strategies and preventive measures for CVE-2021-28648.

Immediate Steps to Take

Users are advised to apply updates provided by Trend Micro promptly. It is crucial to ensure that the antivirus software is up to date.

Long-Term Security Practices

Apart from immediate updates, users should follow secure coding practices and maintain good cybersecurity hygiene to reduce the risk of privilege escalation vulnerabilities.

Patching and Updates

Trend Micro may release patches to address CVE-2021-28648. Users should regularly check for updates and apply them as soon as they are available.