CVE-2020-7343 : Security Advisory and Response

A Missing Authorization vulnerability in McAfee Agent (MA) for Windows prior to 5.7.1 allows local users to block McAfee product updates by manipulating a directory used by MA for temporary files.

Understanding CVE-2020-7343

This CVE involves an Improper Authorization vulnerability in McAfee Agent (MA) for Windows.

What is CVE-2020-7343?

The vulnerability allows local users to interfere with McAfee product updates, potentially leaving the system with outdated detection files.

The Impact of CVE-2020-7343

The vulnerability has a CVSS base score of 5.5, indicating a medium severity issue with high availability impact but no confidentiality or integrity impact.

Technical Details of CVE-2020-7343

This section provides more technical insights into the vulnerability.

Vulnerability Description

The flaw in McAfee Agent (MA) for Windows before version 5.7.1 enables local users to disrupt product updates by tampering with temporary files, leading to potential use of outdated detection files.

Affected Systems and Versions

Affected Product: McAfee Agent
Vendor: McAfee, LLC
Vulnerable Versions: Versions prior to 5.7.1

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Local
Privileges Required: Low
User Interaction: None
Scope: Unchanged
Availability Impact: High

Mitigation and Prevention

Protecting systems from CVE-2020-7343 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update McAfee Agent to version 5.7.1 or newer to mitigate the vulnerability.
Monitor and restrict access to directories where temporary files are stored.

Long-Term Security Practices

Implement the principle of least privilege to limit user access rights.
Regularly review and update security configurations to prevent similar authorization issues.

Patching and Updates

Stay informed about security advisories from McAfee and apply patches promptly to address known vulnerabilities.