CVE-2022-39225 : What You Need to Know

Parse Server, an open-source backend, is subject to an Incorrect Resource Transfer Between Spheres vulnerability. Below is a detailed overview of CVE-2022-39225.

Understanding CVE-2022-39225

This section will cover what CVE-2022-39225 is, its impact, technical details, and mitigation steps.

What is CVE-2022-39225?

CVE-2022-39225 affects Parse Server versions below 4.10.15 and versions 5.0.0 to 5.2.6. It allows a user to write to the session object of another user if the session object ID is known, potentially leading to unauthorized access.

The Impact of CVE-2022-39225

The vulnerability poses a medium risk with a CVSS base score of 4.3. Attackers can manipulate session objects and access custom fields, even though user privileges may not change.

Technical Details of CVE-2022-39225

Here are the technical aspects of CVE-2022-39225:

Vulnerability Description

In affected Parse Server versions, users can write to another user's session object using the session object ID, enabling unauthorized access to session data.

Affected Systems and Versions

The vulnerability impacts Parse Server versions prior to 4.10.15 and versions ranging from 5.0.0 to 5.2.6.

Exploitation Mechanism

Attackers can exploit this vulnerability by assigning a session object to their user, manipulating the session's

user

field, and reading custom fields within the session object.

Mitigation and Prevention

Protect your systems from CVE-2022-39225 using the following strategies:

Immediate Steps to Take

Mitigate the vulnerability by applying patches released in versions 4.10.15 and above, as well as versions 5.2.6 and above. Implement

beforeSave

triggers to prevent unauthorized writes to session objects.

Long-Term Security Practices

Enforce strict access control policies, regularly monitor session activities, and educate users about secure session management practices.

Patching and Updates

Stay informed about Parse Server security advisories and promptly apply patches to mitigate emerging threats.