CVE-2019-5642 : Vulnerability Insights and Analysis

Rapid7 Metasploit Pro version 4.16.0-2019081901 and earlier is susceptible to CWE-732, potentially allowing unauthorized access to confidential communications.

Understanding CVE-2019-5642

This CVE identifies a vulnerability in Rapid7 Metasploit Pro that could compromise the confidentiality of communications.

What is CVE-2019-5642?

This vulnerability arises from the improper permissions set for the server.key file during installation, enabling unauthorized users to intercept sensitive data transmitted to the Metasploit Pro web interface.

The Impact of CVE-2019-5642

The vulnerability's low severity rating indicates a limited impact on system integrity and availability. However, it poses a risk to the confidentiality of communications within the Metasploit Pro environment.

Technical Details of CVE-2019-5642

Rapid7 Metasploit Pro version 4.16.0-2019081901 and earlier are affected by this vulnerability.

Vulnerability Description

The issue stems from the incorrect permission assignment for the critical server.key resource, allowing unauthorized access to confidential data.

Affected Systems and Versions

Product: Metasploit Pro
Vendor: Rapid7
Vulnerable Versions: <= 4.16.0-2019081901

Exploitation Mechanism

Unauthorized users on the same system where Metasploit Pro is installed can exploit the vulnerability to intercept private communications to the web interface.

Mitigation and Prevention

To address CVE-2019-5642, follow these steps:

Immediate Steps to Take

Upgrade to Metasploit Pro version 4.16.0-2019091001 or later.
Restrict access to the server.key file to authorized users only.

Long-Term Security Practices

Regularly review and update permissions on critical resources.
Implement access controls to prevent unauthorized access to sensitive files.

Patching and Updates

Ensure timely installation of security patches and updates to mitigate known vulnerabilities.