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CVE-2024-1023

6.5 · MEDIUM

A vulnerability in the Eclipse Vert.x toolkit results in a memory leak due to using Netty FastThreadLocal data structures.

Published Mar 27, 2024CWE-401EPSS 1.65%

Overview

CVE-2024-1023 is a medium-severity vulnerability. It was published on March 27, 2024 and has a CVSS 3.1 base score of 6.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

A vulnerability in the Eclipse Vert.x toolkit results in a memory leak due to using Netty FastThreadLocal data structures. Specifically, when the Vert.x HTTP client establishes connections to different hosts, triggering the memory leak. The leak can be accelerated with intimate runtime knowledge, allowing an attacker to exploit this vulnerability. For instance, a server accepting arbitrary internet addresses could serve as an attack vector by connecting to these addresses, thereby accelerating the memory leak.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refaccess.redhat.com/errata/RHSA-2024:1662Refaccess.redhat.com/errata/RHSA-2024:1706Refaccess.redhat.com/errata/RHSA-2024:2088Refaccess.redhat.com/errata/RHSA-2024:2833Refaccess.redhat.com/errata/RHSA-2024:3527Refaccess.redhat.com/errata/RHSA-2024:3989Refaccess.redhat.com/errata/RHSA-2024:4884Refaccess.redhat.com/security/cve/CVE-2024-1023Refbugzilla.redhat.com/show_bug.cgi?id=2260840GitHubgithub.com/eclipse-vertx/vert.x/issues/5078

How CyberStrike helps

Frequently asked questions

What is CVE-2024-1023?

CVE-2024-1023 is a medium-severity vulnerability. It was published on March 27, 2024 and has a CVSS 3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2024-1023?

This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2024-1023?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2024-1023?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-1023 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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