CVE-2022-23623 : Security Advisory and Response

Frourio users are at risk of a validation bypass vulnerability when using versions prior to v0.26.0, leading to improper input validation on request bodies and queries. This article discusses the impact, technical details, and mitigation steps for CVE-2022-23623.

Understanding CVE-2022-23623

This section provides an insight into the vulnerability, its impact, and affected systems.

What is CVE-2022-23623?

Frourio users running versions before v0.26.0 face a critical input validation issue due to inadequate functioning of validators in certain scenarios. Updating to v0.26.0 or later is strongly recommended to address this vulnerability.

The Impact of CVE-2022-23623

The vulnerability poses a high risk with a CVSS base score of 8.1, allowing attackers to bypass input validation and potentially compromise data integrity and confidentiality.

Technical Details of CVE-2022-23623

In this section, we delve into the specifics of the vulnerability, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability arises from the improper functioning of validators in specific situations, leaving request bodies and queries inadequately validated.

Affected Systems and Versions

Users of Frourio versions earlier than v0.26.0 integrating with

class-validator

through the

validators/

directory are susceptible to this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability over the network without requiring any special privileges, impacting data availability, confidentiality, and integrity.

Mitigation and Prevention

This section outlines the immediate steps to take, long-term security practices, and the importance of applying patches and updates.

Immediate Steps to Take

Users should update Frourio to version v0.26.0 or later and install

class-transformer

and

reflect-metadata

to mitigate the vulnerability.

Long-Term Security Practices

Adopting a proactive security approach, implementing secure coding practices, and regularly updating dependencies can help prevent similar vulnerabilities in the future.

Patching and Updates

It is crucial to stay informed about security advisories, apply patches promptly, and keep software up to date to mitigate potential risks effectively.