CVE-2018-12545 : What You Need to Know

Eclipse Jetty versions 9.3.x and 9.4.x are vulnerable to Denial of Service attacks due to issues with handling SETTINGs frames. Learn about the impact, technical details, and mitigation steps.

Understanding CVE-2018-12545

This CVE affects Eclipse Jetty, leading to potential Denial of Service vulnerabilities.

What is CVE-2018-12545?

The vulnerability in Eclipse Jetty versions 9.3.x and 9.4.x can be exploited by a remote client sending large or multiple small SETTINGs frames, causing resource consumption issues.

The Impact of CVE-2018-12545

The vulnerability can result in Denial of Service situations by requiring excessive CPU and memory resources to handle modified settings.

Technical Details of CVE-2018-12545

Eclipse Jetty's vulnerability explained in detail.

Vulnerability Description

The server in Eclipse Jetty versions 9.3.x and 9.4.x is susceptible to Denial of Service attacks triggered by specific types of SETTINGs frames sent by remote clients.

Affected Systems and Versions

Product: Eclipse Jetty
Vendor: The Eclipse Foundation
Versions Affected: 9.3.0 and versions less than 9.4.12

Exploitation Mechanism

Attackers exploit the vulnerability by sending large or multiple small SETTINGs frames to the server.

Mitigation and Prevention

Protect your systems from CVE-2018-12545.

Immediate Steps to Take

Apply patches or updates provided by Eclipse Jetty promptly.
Monitor network traffic for any suspicious activity related to SETTINGs frames.

Long-Term Security Practices

Regularly update and patch all software components to prevent vulnerabilities.
Implement network security measures to detect and mitigate potential Denial of Service attacks.

Patching and Updates

Stay informed about security advisories and updates from Eclipse Jetty.