CVE-2018-11548 : Security Advisory and Response

A vulnerability has been found in EOS.IO DAWN 4.2 that allows an unlimited number of P2P connections from a single source IP address.

Understanding CVE-2018-11548

This CVE identifies a security flaw in EOS.IO DAWN 4.2 related to P2P connection restrictions.

What is CVE-2018-11548?

EOS.IO DAWN 4.2 contains a vulnerability in the file plugins/net_plugin/net_plugin.cpp, where it fails to limit the maximum number of P2P connections from a single source IP address.

The Impact of CVE-2018-11548

This vulnerability could potentially lead to resource exhaustion and denial of service attacks by overwhelming the system with P2P connections from a single IP address.

Technical Details of CVE-2018-11548

This section provides more in-depth technical information about the CVE.

Vulnerability Description

The issue lies in the net_plugin.cpp file of EOS.IO DAWN 4.2, which lacks proper restrictions on the number of P2P connections from a single source IP address.

Affected Systems and Versions

Product: EOS.IO DAWN 4.2
Vendor: N/A
Version: N/A

Exploitation Mechanism

Attackers can exploit this vulnerability by establishing an excessive number of P2P connections from a single IP address, potentially causing service disruption or resource depletion.

Mitigation and Prevention

It is crucial to take immediate action to address and prevent the exploitation of this vulnerability.

Immediate Steps to Take

Monitor network traffic for any unusual patterns of P2P connections.
Implement network-level restrictions to limit the number of connections from a single IP address.

Long-Term Security Practices

Regularly update and patch the EOS.IO software to address security vulnerabilities.
Conduct security audits to identify and mitigate similar issues in the future.

Patching and Updates

Ensure that you apply any available patches or updates provided by EOS.IO to fix the vulnerability and enhance the security of your system.