CVE-2022-25863 : Security Advisory and Response

This article provides details about CVE-2022-25863 affecting 'gatsby-plugin-mdx' plugin.

Understanding CVE-2022-25863

CVE-2022-25863 is a vulnerability in gatsby-plugin-mdx versions before 2.14.1, between 3.0.0 and 3.15.2, allowing Deserialization of Untrusted Data due to missing input sanitization.

What is CVE-2022-25863?

The package gatsby-plugin-mdx is vulnerable to Deserialization of Untrusted Data when passing input to the gray-matter package without proper sanitization.

The Impact of CVE-2022-25863

The vulnerability has a CVSS base score of 8.1 (High severity) with high confidentiality and integrity impact. It can be exploited in both webpack and data mode, posing a significant risk.

Technical Details of CVE-2022-25863

Vulnerability Description

Exploiting the vulnerability is possible when passing input through MDX files in src/pages or imported as a component in frontend/React code, or when querying MDX nodes via GraphQL.

Affected Systems and Versions

Versions less than 2.14.1, 3.0.0, and less than 3.15.2 of gatsby-plugin-mdx are affected by CVE-2022-25863.

Exploitation Mechanism

The vulnerability arises due to the default configurations of gatsby-plugin-mdx that lack input sanitization, enabling attackers to tamper with data integrity.

Mitigation and Prevention

Immediate Steps to Take

Users should update gatsby-plugin-mdx to version 3.15.2 or newer to mitigate the vulnerability. Input passed into the plugin should be sanitized before processing.

Long-Term Security Practices

Regularly monitor security advisories and apply updates promptly. Implement secure coding practices to prevent similar vulnerabilities.

Patching and Updates

Refer to the provided references for patch information and details on fixes.