CVE-2020-7264 : Exploit Details and Defense Strategies

A Privilege Escalation vulnerability in McAfee Endpoint Security (ENS) for Windows prior to version 10.7.0 Hotfix 199847 allows local users to manipulate symbolic links, leading to unauthorized file deletions.

Understanding CVE-2020-7264

This CVE involves a vulnerability in McAfee Endpoint Security (ENS) for Windows that enables local users to escalate privileges through symbolic link manipulation.

What is CVE-2020-7264?

The vulnerability in McAfee ENS for Windows before version 10.7.0 Hotfix 199847 allows local users to delete files they shouldn't have access to by redirecting McAfee delete actions using symbolic links.

The Impact of CVE-2020-7264

High Impact: The vulnerability has a CVSS base score of 8.8, indicating a high severity level.
Privilege Escalation: Local users can exploit this flaw to delete unauthorized files.
Availability, Confidentiality, and Integrity Impact: All rated as high.

Technical Details of CVE-2020-7264

This section delves into the technical aspects of the CVE.

Vulnerability Description

The flaw allows local users to delete files by manipulating symbolic links.

Affected Systems and Versions

Affected Systems: McAfee Endpoint Security (ENS) for Windows
Affected Versions: Prior to 10.7.0 Hotfix 199847

Exploitation Mechanism

Local users can exploit the vulnerability by running a malicious script or program on the target machine.

Mitigation and Prevention

Protecting systems from CVE-2020-7264 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply the latest security patches and updates from McAfee.
Monitor file deletions and investigate any suspicious activities.

Long-Term Security Practices

Implement the principle of least privilege to restrict user access.
Educate users on the risks of running unknown scripts or programs.
Regularly review and update security policies and configurations.

Patching and Updates

Ensure McAfee Endpoint Security (ENS) is updated to version 10.7.0 Hotfix 199847 or newer to mitigate the vulnerability.