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CVE-2023-0975 : What You Need to Know

Detailing CVE-2023-0975 published on April 3, 2023, base score 8.2. Local users can elevate permissions by replacing executables in versions 5.7.8 and earlier.

This CVE-2023-0975 was published on April 3, 2023, with a base score of 8.2, indicating a high severity level. The vulnerability affects the Trellix Agent for Windows, specifically versions 5.7.8 and earlier. It allows local users to replace one of the Agent’s executables during the install/upgrade workflow, thereby enabling them to elevate their permissions.

Understanding CVE-2023-0975

This section delves deeper into the nature of the CVE-2023-0975 vulnerability, its impacts, technical details, and mitigation strategies.

What is CVE-2023-0975?

CVE-2023-0975 is a vulnerability found in Trellix Agent for Windows versions 5.7.8 and earlier. It enables local users to manipulate the Agent’s executables during the installation or upgrade process, resulting in elevated permissions.

The Impact of CVE-2023-0975

The impact of CVE-2023-0975 is categorized as "Privilege Abuse" according to CAPEC-122. As a high severity vulnerability with a CVSS base score of 8.2, it poses significant risks to confidentiality, integrity, and availability.

Technical Details of CVE-2023-0975

In this section, we discuss the vulnerability description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The vulnerability in Trellix Agent for Windows versions 5.7.8 and earlier allows local users to substitute one of the Agent’s executables during the install/upgrade process, facilitating the elevation of their permissions.

Affected Systems and Versions

Trellix Agent for Windows versions 5.7.8 and earlier are impacted by CVE-2023-0975. Users utilizing these versions are at risk of privilege escalation by manipulating the Agent’s executables.

Exploitation Mechanism

Local users can exploit CVE-2023-0975 by altering the Agent’s executables during the installation or upgrade workflow, granting them unauthorized elevated privileges on the affected systems.

Mitigation and Prevention

This section focuses on immediate steps to take, long-term security practices, and the importance of patching and updates.

Immediate Steps to Take

Users and administrators should update Trellix Agent to a version beyond 5.7.8 to mitigate the vulnerability. Additionally, monitoring the installation process for any unauthorized executable changes is recommended.

Long-Term Security Practices

Practicing the principle of least privilege, regularly monitoring system executables, and conducting security awareness training can help prevent privilege escalation attacks like CVE-2023-0975.

Patching and Updates

Staying updated with the latest software patches and security updates provided by Trellix is crucial for safeguarding systems against known vulnerabilities like CVE-2023-0975. Regularly applying patches helps in closing security gaps and enhancing overall system security.

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