CVE-2019-11331 Explained : Impact and Mitigation

Network Time Protocol (NTP) vulnerability allowing off-path attacks through port 123.

Understanding CVE-2019-11331

NTP vulnerability in RFC 5905 enabling off-path attacks through port 123.

What is CVE-2019-11331?

NTP vulnerability using port 123 as outlined in RFC 5905
Facilitates off-path attacks by remote threat actors

The Impact of CVE-2019-11331

Easier execution of off-path attacks even without a fixed port number requirement

Technical Details of CVE-2019-11331

NTP vulnerability enabling off-path attacks through port 123.

Vulnerability Description

Exploits NTP's use of port 123 for off-path attacks

Affected Systems and Versions

No specific product or version mentioned

Exploitation Mechanism

Remote attackers utilize NTP's port 123 for off-path attacks

Mitigation and Prevention

Steps to address and prevent CVE-2019-11331.

Immediate Steps to Take

Monitor NTP traffic for suspicious activities
Implement network segmentation to limit NTP exposure

Long-Term Security Practices

Regularly update NTP software and apply security patches
Conduct security assessments to identify vulnerabilities
Employ network intrusion detection systems

Patching and Updates

Apply patches provided by NTP vendors to address the vulnerability