CVE-2020-17366 Explained : Impact and Mitigation

An issue was discovered in NLnet Labs Routinator 0.1.0 through 0.7.1, allowing remote attackers to bypass access restrictions or cause denial of service by withholding RPKI Route Origin Authorisation files.

Understanding CVE-2020-17366

This CVE involves a vulnerability in NLnet Labs Routinator versions 0.1.0 through 0.7.1.

What is CVE-2020-17366?

The vulnerability allows remote attackers to bypass intended access restrictions or disrupt dependent routing systems by strategically withholding RPKI Route Origin Authorisation ".roa" files or X509 Certificate Revocation List files.

The Impact of CVE-2020-17366

The exploitation of this vulnerability can lead to unauthorized access or denial of service on systems relying on RPKI.

Technical Details of CVE-2020-17366

This section provides more technical insights into the vulnerability.

Vulnerability Description

The issue in NLnet Labs Routinator versions 0.1.0 through 0.7.1 enables attackers to disrupt routing systems by withholding critical files.

Affected Systems and Versions

Product: NLnet Labs Routinator
Versions: 0.1.0 through 0.7.1

Exploitation Mechanism

Attackers strategically withhold RPKI Route Origin Authorisation ".roa" files or X509 Certificate Revocation List files to exploit the vulnerability.

Mitigation and Prevention

Protecting systems from CVE-2020-17366 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update NLnet Labs Routinator to version 0.8.0 or later.
Monitor for any unauthorized access attempts.

Long-Term Security Practices

Implement strict file access controls.
Regularly review and update RPKI configurations.

Patching and Updates

Ensure timely patching and updates to NLnet Labs Routinator to mitigate the vulnerability.