CVE-2022-4111 Explained : Impact and Mitigation

A detailed analysis of the CVE-2022-4111 vulnerability affecting tooljet/tooljet.

Understanding CVE-2022-4111

This section provides insights into the nature and impact of the vulnerability.

What is CVE-2022-4111?

The CVE-2022-4111 vulnerability in tooljet/tooljet allows a logged-in attacker to cause a Denial of Service (DoS) by uploading profile pictures over 2MB due to an unrestricted file size limit.

The Impact of CVE-2022-4111

The vulnerability's impact is rated as medium severity, with a CVSS base score of 6.5. It has a low attack complexity and requires low privileges, but results in high availability impact.

Technical Details of CVE-2022-4111

In-depth technical information about the vulnerability.

Vulnerability Description

The vulnerability is categorized as CWE-1284 - Improper Validation of Specified Quantity in Input, highlighting the flaw in handling file size limits.

Affected Systems and Versions

tooljet/tooljet versions prior to v1.27.0 are affected by this vulnerability.

Exploitation Mechanism

An attacker with a logged-in account can exploit the lack of file size validation to upload oversized profile pictures, triggering a DoS condition.

Mitigation and Prevention

Preventive measures and actions to address CVE-2022-4111.

Immediate Steps to Take

Users are advised to update their tooljet/tooljet installations to version 1.27.0 or later to mitigate the vulnerability and enforce stricter file size limits.

Long-Term Security Practices

Implement strict file upload validation checks and regularly update software to address known security issues.

Patching and Updates

Regularly check for security patches and updates from tooljet to ensure the latest fixes are applied promptly.