CVE-2023-3398 : Security Advisory and Response

This CVE identifies a Denial of Service vulnerability in the GitHub repository jgraph/drawio prior to version 18.1.3.

Understanding CVE-2023-3398

This section dives into the details of CVE-2023-3398, outlining what it is and the impact it may have.

What is CVE-2023-3398?

CVE-2023-3398 is a Denial of Service vulnerability found in the GitHub repository jgraph/drawio before version 18.1.3. This vulnerability could potentially lead to service disruption due to uncontrolled resource consumption.

The Impact of CVE-2023-3398

The impact of CVE-2023-3398 is rated as MEDIUM with a base score of 5.3 according to the CVSS v3.0 metrics. It has a low attack complexity and vector, affecting availability to a low extent.

Technical Details of CVE-2023-3398

In this section, we will explore the vulnerability description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

CVE-2023-3398 is classified under CWE-400: Uncontrolled Resource Consumption. The vulnerability allows attackers to consume excessive resources leading to a Denial of Service condition in jgraph/drawio versions prior to 18.1.3.

Affected Systems and Versions

The Denial of Service vulnerability impacts the vendor jgraph's product jgraph/drawio with versions less than 18.1.3.

Exploitation Mechanism

Attackers can exploit this vulnerability by sending specially crafted requests to the affected system, consuming an excessive amount of resources and potentially resulting in a system crash or service disruption.

Mitigation and Prevention

This section focuses on the steps that can be taken to mitigate the risks posed by CVE-2023-3398 and prevent potential attacks.

Immediate Steps to Take

Update jgraph/drawio to version 18.1.3 or later to patch the vulnerability and prevent exploitation.
Monitor system resources and implement rate limiting mechanisms to prevent resource exhaustion attacks.
Employ network and application firewalls to filter and block suspicious traffic that could trigger the vulnerability.

Long-Term Security Practices

Stay informed about security updates and patches for all software components used in your environment.
Conduct regular security assessments and penetration testing to identify and address vulnerabilities proactively.
Implement secure coding practices to reduce the likelihood of introducing vulnerabilities in software development.

Patching and Updates

It is crucial to regularly update all software components, including jgraph/drawio, to the latest versions to mitigate known vulnerabilities and enhance overall system security. Regularly check for security advisories and apply patches promptly to ensure a secure environment.