CVE-2022-24298 : Security Advisory and Response

A Denial of Service (DoS) vulnerability, CVE-2022-24298, has been identified in all versions of package freeopcua/freeopcua. This vulnerability allows attackers to conduct a DoS attack by bypassing memory consumption limitations.

Understanding CVE-2022-24298

This section will cover the details of the CVE-2022-24298 vulnerability, its impact, technical details, and mitigation techniques.

What is CVE-2022-24298?

The CVE-2022-24298 vulnerability affects the FreeOpcUa/freeopcua package, allowing attackers to perform a Denial of Service attack by sending multiple CloseSession requests with specific parameters.

The Impact of CVE-2022-24298

The impact of CVE-2022-24298 is rated as HIGH, with a CVSS base score of 7.5. The vulnerability can result in a Denial of Service condition, affecting the availability of the affected systems.

Technical Details of CVE-2022-24298

This section will delve into the vulnerability description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The vulnerability in freeopcua/freeopcua allows for a Denial of Service attack by circumventing memory consumption limitations, posing a significant risk to system availability.

Affected Systems and Versions

All versions of FreeOpcUa/freeopcua are impacted by CVE-2022-24298, with no specified version boundaries mentioned.

Exploitation Mechanism

Attackers can exploit this vulnerability by sending multiple CloseSession requests with specific parameters, enabling them to evade memory consumption restrictions.

Mitigation and Prevention

In this section, we will discuss immediate steps to take, long-term security practices, and the importance of patching and updates.

Immediate Steps to Take

It is crucial to apply security patches or updates provided by the FreeOpcUa/freeopcua maintainers to mitigate the CVE-2022-24298 vulnerability.

Long-Term Security Practices

Implementing robust security measures, conducting regular vulnerability assessments, and monitoring network traffic can enhance the resilience of systems against DoS attacks.

Patching and Updates

Regularly check for security advisories from FreeOpcUa/freeopcua and promptly apply patches or updates to address known vulnerabilities.