CVE-2023-28867 : Vulnerability Insights and Analysis

This CVE record was published on March 27, 2023, by MITRE. It involves a vulnerability in GraphQL Java (graphql-java) before version 20.1 that allows an attacker to send a specially crafted GraphQL query causing stack consumption. The fixed versions for this vulnerability are 20.1, 19.4, 18.4, 17.5, and 0.0.0-2023-03-20T01-49-44-80e3135.

Understanding CVE-2023-28867

This section will delve into the details of CVE-2023-28867, explaining the nature of the vulnerability and its potential impact.

What is CVE-2023-28867?

CVE-2023-28867 is a vulnerability found in GraphQL Java (graphql-java) before version 20.1, allowing attackers to exploit the system by sending a carefully crafted GraphQL query that leads to excessive stack consumption.

The Impact of CVE-2023-28867

The impact of this vulnerability can be severe, as attackers can potentially disrupt the affected system's normal operation by exploiting the stack consumption issue.

Technical Details of CVE-2023-28867

In this section, we will explore the technical aspects of CVE-2023-28867, including the vulnerability description, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability in GraphQL Java allows attackers to cause stack consumption by sending a malicious GraphQL query, potentially leading to denial of service or other security implications.

Affected Systems and Versions

The vulnerability affects versions of GraphQL Java (graphql-java) before 20.1. Systems running versions 19.4, 18.4, 17.5, and 0.0.0-2023-03-20T01-49-44-80e3135 are also vulnerable to this exploit.

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting a specific GraphQL query and sending it to the target system, causing excessive stack usage and potentially disrupting the system's functionality.

Mitigation and Prevention

To mitigate the risks associated with CVE-2023-28867, it is crucial to take immediate steps, implement long-term security practices, and ensure timely patching and updates.

Immediate Steps to Take

Organizations should update their GraphQL Java installations to the fixed versions (20.1, 19.4, 18.4, 17.5, or 0.0.0-2023-03-20T01-49-44-80e3135) to address the vulnerability.
Monitor system logs and network traffic for any suspicious activity that may indicate exploitation of the vulnerability.

Long-Term Security Practices

Regularly review and update system components, including libraries and dependencies, to prevent similar vulnerabilities from being exploited.
Conduct security assessments and penetration testing to proactively identify and address potential security weaknesses.

Patching and Updates

Stay informed about security updates and patches released by GraphQL Java to address vulnerabilities promptly.
Establish a system for timely deployment of patches to ensure that critical vulnerabilities are addressed without delay.