CVE-2024-0213: Security Advisory and Response

This article delves into the details of CVE-2024-0213, a buffer overflow vulnerability affecting Trellix Agent (TA) versions prior to 5.8.1 for Linux and MacOS.

Understanding CVE-2024-0213

CVE-2024-0213 is a buffer overflow vulnerability in TA for Linux and TA for MacOS versions prior to 5.8.1. This flaw allows a local user to exploit a memory corruption issue in the TA service, potentially leading to elevated permissions or a Denial of Service (DoS) attack.

What is CVE-2024-0213?

The buffer overflow vulnerability in TA for Linux and MacOS prior to version 5.8.1 enables a local user to gain elevated permissions or disrupt service by manipulating a memory corruption issue in the TA service. This can result in a Denial of Service (DoS) attack and potentially disable event reporting to ePO due to improper input validation.

The Impact of CVE-2024-0213

The impact of CVE-2024-0213 can be severe, with the potential for privilege escalation for an attacker with local access. This vulnerability may lead to a loss of confidentiality, integrity, and availability of the affected system, making it a high-severity issue.

Technical Details of CVE-2024-0213

CVE-2024-0213 is categorized under CWE-120, specifically a "Classic Buffer Overflow" vulnerability. The CVSS v3.1 score for this vulnerability is 8.2, indicating a high severity level with low complexity for attackers.

Vulnerability Description

The vulnerability stems from a buffer overflow in TA for Linux and MacOS prior to version 5.8.1, allowing malicious actors to exploit a memory corruption issue in the TA service, running with root privileges.

Affected Systems and Versions

Trellix Agent (TA) versions prior to 5.8.1 for Linux and MacOS are impacted by this vulnerability. Users with these versions are urged to take immediate action to mitigate the risk.

Exploitation Mechanism

The exploitation of CVE-2024-0213 involves manipulating the memory corruption issue within the TA service, potentially leading to gaining escalated permissions or causing a Denial of Service (DoS) by a local user.

Mitigation and Prevention

To address CVE-2024-0213 and protect systems from potential exploits, certain steps need to be taken to enhance the security posture and reduce the risk of exploitation.

Immediate Steps to Take

Users should update TA for Linux and MacOS to version 5.8.1 or above to address the buffer overflow vulnerability.
Employ restricted access controls to limit potential unauthorized access to the system.

Long-Term Security Practices

Regularly monitor for security updates and patches from the vendor to address vulnerabilities promptly.
Conduct security training for users to raise awareness about potential threats and best practices for system security.

Patching and Updates

Apply patches and updates provided by Trellix for TA to ensure systems are protected from known vulnerabilities, including buffer overflows.
Establish a systematic approach to patch management to stay vigilant against emerging security risks.