CVE-2021-4088 : Security Advisory and Response

A SQL injection vulnerability in McAfee Data Loss Prevention (DLP) ePO Extension versions 11.8.x, 11.7.x, and 11.6.x allows a remote attacker to execute malicious SQL commands, potentially leading to remote code execution with privilege escalation.

Understanding CVE-2021-4088

This CVE identifies a blind SQL injection vulnerability in McAfee Data Loss Prevention (DLP) ePO Extension.

What is CVE-2021-4088?

CVE-2021-4088 is a security vulnerability that enables a remote authenticated attacker to inject unfiltered SQL into the DLP part of the ePO database, posing risks of remote code execution on the affected server.

The Impact of CVE-2021-4088

The vulnerability carries a CVSS base score of 8.4, with high severity in confidentiality, integrity, and availability impacts. It requires high privileges and user interaction for exploitation, making it a critical threat.

Technical Details of CVE-2021-4088

This section outlines the specifics of the vulnerability.

Vulnerability Description

The flaw allows remote authenticated attackers to inject malicious SQL, potentially enabling remote code execution with privilege escalation on the ePO server.

Affected Systems and Versions

McAfee Data Loss Prevention (DLP) ePO Extension versions 11.8.x (prior to 11.8.100), 11.7.x (prior to 11.7.101), and 11.6.x (prior to 11.6.401) are affected by this vulnerability.

Exploitation Mechanism

The vulnerability can be exploited by a remote authenticated attacker who injects unfiltered SQL into the DLP part of the ePO database, leading to potential code execution and privilege escalation.

Mitigation and Prevention

Here are the recommended steps to mitigate and prevent exploitation of CVE-2021-4088.

Immediate Steps to Take

Update McAfee Data Loss Prevention (DLP) ePO Extension to versions 11.8.100, 11.7.101, or 11.6.401 to patch the vulnerability.
Monitor network traffic for any signs of exploitation.

Long-Term Security Practices

Regularly update and patch all software to mitigate against known vulnerabilities.
Implement strict access controls and least privilege principles to limit the impact of potential security breaches.

Patching and Updates

Stay informed about security updates from McAfee and promptly apply patches to ensure the protection of your systems.