CVE-2022-23646 Explained : Impact and Mitigation

Next.js is a React framework that was found to have an improper Content Security Policy (CSP) configuration in its Image Optimization API. This vulnerability could lead to User Interface (UI) Misrepresentation of Critical Information under specific conditions. Below is a detailed analysis of CVE-2022-23646.

Understanding CVE-2022-23646

Next.js, specifically versions from 10.0.0 to 12.1.0, is affected by this vulnerability that could potentially allow an attacker to misrepresent critical information on the UI.

What is CVE-2022-23646?

Next.js versions before 12.1.0 are susceptible to an improper CSP configuration in their Image Optimization API, leading to a risk of User Interface Misrepresentation of Critical Information. This occurs when certain conditions regarding the

next.config.js

file are met.

The Impact of CVE-2022-23646

The vulnerability poses a medium severity risk with a CVSS base score of 5.9. It has a high integrity impact with a high attack complexity and network attack vector, impacting the integrity of the affected systems.

Technical Details of CVE-2022-23646

Below are the technical details associated with CVE-2022-23646:

Vulnerability Description

The vulnerability in Next.js stems from an improper CSP configuration in the Image Optimization API, enabling the misrepresentation of critical information on the UI.

Affected Systems and Versions

Next.js versions ranging from 10.0.0 to 12.1.0 are affected by this vulnerability. Users with these versions should take immediate action to mitigate the risk.

Exploitation Mechanism

To exploit this vulnerability, an attacker would need to manipulate the

next.config.js

file by utilizing specific configurations that allow the misrepresentation of critical UI information.

Mitigation and Prevention

It is crucial to take necessary steps to mitigate the risks associated with CVE-2022-23646 as outlined below:

Immediate Steps to Take

Users of affected Next.js versions should update to version 12.1.0, which contains a patch for this vulnerability. Alternatively, users can modify the

next.config.js

to use a different configuration for the loader.

Long-Term Security Practices

Implementing secure coding practices that adhere to proper CSP configurations and periodically checking for security updates and patches can help prevent similar vulnerabilities in the future.

Patching and Updates

Regularly monitoring for updates and patches released by Next.js and promptly applying them to the system can help in staying protected from known vulnerabilities.