CVE-2018-19155 : What You Need to Know

Navcoin version 4.3.0, a chain-based proof-of-stake cryptocurrency, has a vulnerability that allows remote denial of service attacks. Attackers can overload the system's disk and RAM without requiring any stake.

Understanding CVE-2018-19155

Navcoin version 4.3.0 vulnerability enables remote denial of service attacks by flooding the system with invalid headers or blocks.

What is CVE-2018-19155?

This CVE refers to a vulnerability in Navcoin version 4.3.0, a chain-based proof-of-stake cryptocurrency, allowing remote denial of service attacks.

The Impact of CVE-2018-19155

Attackers can send invalid headers or blocks to overload the targeted system's disk and RAM.
The exploit does not require any stake from the attacker, making it easier to execute.

Technical Details of CVE-2018-19155

Navcoin version 4.3.0 vulnerability details and affected systems.

Vulnerability Description

Navcoin through version 4.3.0 allows remote denial of service attacks.
Attackers can flood the victim's disk and RAM by sending invalid headers or blocks.

Affected Systems and Versions

Product: Navcoin
Vendor: N/A
Version: 4.3.0

Exploitation Mechanism

Attackers exploit the vulnerability by sending invalid headers or blocks to overwhelm the system's disk and RAM.

Mitigation and Prevention

Steps to mitigate and prevent exploitation of CVE-2018-19155.

Immediate Steps to Take

Update Navcoin to a patched version to mitigate the vulnerability.
Monitor system resources for unusual activity that may indicate a denial of service attack.

Long-Term Security Practices

Regularly update and patch all software to prevent known vulnerabilities.
Implement network monitoring and intrusion detection systems to detect and respond to attacks.

Patching and Updates

Stay informed about security updates for Navcoin and promptly apply patches to secure the system.