CVE-2022-2047 : Vulnerability Insights and Analysis

A detailed analysis of CVE-2022-2047, a vulnerability affecting Eclipse Jetty versions.

Understanding CVE-2022-2047

This CVE pertains to multiple versions of Eclipse Jetty and involves a critical parsing vulnerability in the Jetty HttpURI class.

What is CVE-2022-2047?

In Eclipse Jetty versions 9.4.0 through 9.4.46, 10.0.0 through 10.0.9, and 11.0.0 through 11.0.9, an issue arises in parsing the authority segment of an http scheme URI. The Jetty HttpURI class incorrectly identifies invalid input as a hostname, potentially resulting in failures in a Proxy scenario.

The Impact of CVE-2022-2047

The vulnerability carries a low severity base score of 2.7 according to CVSS v3.1 metrics. While the attack complexity is low and requires high privileges, the impact on confidentiality and integrity remains minimal.

Technical Details of CVE-2022-2047

This section delves into the specifics of the vulnerability, including its description, affected systems and versions, and exploitation mechanism.

Vulnerability Description

The vulnerability arises from the improper detection of invalid input as a hostname in the authority segment of an http scheme URI within Eclipse Jetty versions 9.4.0 through 11.0.9.

Affected Systems and Versions

The impacted versions include 9.4.0 to 9.4.46, 10.0.0 to 10.0.9, and 11.0.0 to 11.0.9 of Eclipse Jetty.

Exploitation Mechanism

Exploiting this vulnerability requires a scenario where the HttpURI class mistakenly interprets incorrect input as a valid hostname, potentially leading to Proxy failures.

Mitigation and Prevention

In this final section, we outline immediate steps to take, recommend long-term security practices, and emphasize the importance of patching and updates.

Immediate Steps to Take

Implement the patches provided by Eclipse Jetty promptly to address the vulnerability.
Monitor network traffic for any unusual behavior indicating exploitation attempts.

Long-Term Security Practices

Regularly update and patch all software components to mitigate security risks.
Conduct regular security assessments and audits to detect vulnerabilities proactively.

Patching and Updates

Keep abreast of security advisories from Eclipse Jetty and promptly apply relevant patches to ensure ongoing protection against CVE-2022-2047.