CVE-2022-2048 : Security Advisory and Response

Eclipse Jetty HTTP/2 server implementation has a vulnerability that can lead to a Denial of Service (DoS) attack due to improper error handling. Here's what you need to know.

Understanding CVE-2022-2048

This section dives into the details of the CVE-2022-2048 vulnerability in Eclipse Jetty.

What is CVE-2022-2048?

In Eclipse Jetty HTTP/2 server implementation, encountering an invalid HTTP/2 request triggers a bug in error handling. This bug can result in not properly cleaning up active connections and resources, leading to a DoS scenario.

The Impact of CVE-2022-2048

The vulnerability holds a CVSS base score of 7.5 (High), with a network attack vector and high availability impact. While there is no confidentiality or integrity impact, resources may be exhausted, causing a DoS scenario.

Technical Details of CVE-2022-2048

Let's explore the technical aspects of CVE-2022-2048 in Eclipse Jetty.

Vulnerability Description

The bug in error handling of invalid HTTP/2 requests can prevent proper cleanup of active connections and associated resources, potentially leading to a DoS attack.

Affected Systems and Versions

Eclipse Jetty versions 9.4.0 to 9.4.46, 10.0.0 to 10.0.9, and 11.0.0 to 11.0.9 are impacted by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by sending specially crafted invalid HTTP/2 requests to the server, causing resource exhaustion.

Mitigation and Prevention

Learn how to mitigate the risks posed by CVE-2022-2048 in Eclipse Jetty.

Immediate Steps to Take

Users are advised to update Eclipse Jetty to a patched version, following security advisories provided by Eclipse, Debian, and other relevant sources.

Long-Term Security Practices

Implement robust security measures such as network monitoring, access controls, and regular security updates to prevent DoS attacks.

Patching and Updates

Ensure timely application of security patches and updates to Eclipse Jetty to address the vulnerability.