CVE-2022-31112 : Vulnerability Insights and Analysis

Parse Server is an open-source backend that can be deployed to any infrastructure running Node.js. In affected versions of Parse Server, LiveQuery exposes protected fields in classes to the client, potentially leading to the exposure of sensitive information. It is crucial for users to take immediate action to address this vulnerability.

Understanding CVE-2022-31112

This CVE highlights the issue of protected fields being inadvertently exposed via LiveQuery in Parse Server, impacting the confidentiality of sensitive data.

What is CVE-2022-31112?

CVE-2022-31112 relates to Parse Server's LiveQuery not properly removing protected fields in classes, potentially exposing them to clients, leading to unauthorized access to sensitive information.

The Impact of CVE-2022-31112

The vulnerability can result in a high severity impact due to the exposure of sensitive data to unauthorized actors, compromising confidentiality.

Technical Details of CVE-2022-31112

In the context of CVE-2022-31112:

Vulnerability Description

Parse Server LiveQuery fails to remove protected fields, allowing them to be transmitted to clients, posing a risk of exposing sensitive information.

Affected Systems and Versions

Product: parse-server
Vendor: parse-community
Versions: < 4.10.13, >= 5.0.0, < 5.2.4

Exploitation Mechanism

The vulnerability can be exploited by malicious actors to access and retrieve protected fields via LiveQuery in vulnerable versions of Parse Server.

Mitigation and Prevention

In response to CVE-2022-31112, users are advised to take immediate action to secure their systems and data.

Immediate Steps to Take

Upgrade Parse Server to a non-vulnerable version immediately.
Alternatively, if upgrading is not feasible, manually remove protected fields using

Parse.Cloud.afterLiveQueryEvent

.

Long-Term Security Practices

Regularly monitor for security advisories and updates regarding Parse Server.
Implement strict access controls and data encryption practices to safeguard sensitive information.

Patching and Updates

Ensure all systems running Parse Server are regularly updated to the latest non-vulnerable versions.