CVE-2019-5645 : What You Need to Know

Rapid7 Metasploit HTTP Handler Denial of Service vulnerability allows attackers to disrupt Metasploit servers by sending malicious HTTP requests.

Understanding CVE-2019-5645

This CVE involves a denial of service vulnerability in the Rapid7 Metasploit Framework.

What is CVE-2019-5645?

An attacker can exploit this vulnerability by sending a customized HTTP GET request to a Rapid7 Metasploit HTTP handler, leading to resource exhaustion or blocking new HTTP handler sessions.

The Impact of CVE-2019-5645

CVSS Base Score: 7.5 (High)
Attack Vector: Network
Attack Complexity: Low
Availability Impact: High
No impact on Confidentiality or Integrity
No privileges required

Technical Details of CVE-2019-5645

This section provides more in-depth technical details of the vulnerability.

Vulnerability Description

The vulnerability allows attackers to disrupt Metasploit servers by registering a malicious regular expression through a crafted HTTP request.

Affected Systems and Versions

Affected Product: Metasploit Framework
Vendor: Rapid7
Affected Version: 5.0.27 (and prior versions)

Exploitation Mechanism

Attackers can exploit this vulnerability by sending a specially crafted HTTP GET request to the Metasploit HTTP handler, causing resource exhaustion or session blocking.

Mitigation and Prevention

Protecting systems from CVE-2019-5645 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply vendor patches promptly
Monitor network traffic for suspicious activity
Implement firewall rules to restrict access

Long-Term Security Practices

Regularly update and patch software
Conduct security assessments and penetration testing
Educate users on safe browsing habits

Patching and Updates

Rapid7 has released a patch to address this vulnerability
Regularly check for updates and apply them to ensure system security