CVE-2021-23877 : Vulnerability Insights and Analysis

This CVE-2021-23877 article provides detailed insights into a privilege escalation vulnerability in McAfee Total Protection (MTP) that could allow a local user to execute arbitrary code as an admin user.

Understanding CVE-2021-23877

This section delves into the specifics of the CVE-2021-23877 vulnerability in McAfee Total Protection (MTP).

What is CVE-2021-23877?

The CVE-2021-23877 vulnerability is a privilege escalation issue in the Windows trial installer of McAfee Total Protection (MTP) before version 16.0.34_x, enabling a local user to run unauthorized code as the admin user.

The Impact of CVE-2021-23877

The vulnerability poses a medium-severity risk with a CVSS base score of 6.7, potentially resulting in high impacts on confidentiality, integrity, availability, and privileges.

Technical Details of CVE-2021-23877

This section elucidates the technical aspects of the CVE-2021-23877 vulnerability in McAfee Total Protection (MTP).

Vulnerability Description

The vulnerability stems from improper privilege management in the Windows trial installer of McAfee Total Protection (MTP), allowing manipulation of a specific temporary file during installation to execute arbitrary code.

Affected Systems and Versions

The vulnerability affects McAfee Total Protection (MTP) versions prior to 16.0.34_x.

Exploitation Mechanism

A local user can exploit this vulnerability by replacing a particular temporary file generated during the trial version installation, granting the ability to run unauthorized code as an admin user.

Mitigation and Prevention

Learn how to address and prevent the CVE-2021-23877 vulnerability in McAfee Total Protection (MTP).

Immediate Steps to Take

Immediate steps involve updating McAfee Total Protection (MTP) to version 16.0.34 or higher and monitoring for any suspicious activities post-patch.

Long-Term Security Practices

Enforcing the principle of least privilege, regular security audits, and user training can enhance long-term security posture.

Patching and Updates

Regularly applying security patches, keeping software updated, and following vendor recommendations can mitigate the risk of privilege escalation vulnerabilities.