CVE-2023-6835 : What You Need to Know

This CVE-2023-6835 article provides detailed information about a vulnerability identified in multiple WSO2 products due to the lack of server-side input validation in the Forum feature, which could allow manipulation of API ratings.

Understanding CVE-2023-6835

This section will delve into the specifics of CVE-2023-6835, including its description, impact, technical details, affected systems, and mitigation strategies.

What is CVE-2023-6835?

The vulnerability in multiple WSO2 products is attributed to the absence of server-side input validation in the Forum feature, making it susceptible to API rating manipulation. This weakness falls under CWE-20 - Improper Input Validation.

The Impact of CVE-2023-6835

The impact of CVE-2023-6835 is categorized under CAPEC-153 - Input Data Manipulation. With a CVSS v3.1 base score of 4.3 (Medium severity), the vulnerability poses a moderate risk with low privileges required for exploitation and potential integrity impact.

Technical Details of CVE-2023-6835

This section will provide technical insights into the vulnerability, outlining its description, affected systems, and exploitation mechanism.

Vulnerability Description

The vulnerability stems from the lack of server-side input validation in the Forum feature of various WSO2 products, enabling attackers to manipulate API ratings.

Affected Systems and Versions

The vulnerable products include WSO2 API Manager versions less than 2.2.0.0, 2.2.0.16, 2.5.0.17, and 2.6.0.24, along with WSO2 IoT Server versions less than 3.3.1.0 and 3.3.1.17.

Exploitation Mechanism

Attackers can exploit this vulnerability by leveraging the inadequate input validation in the Forum feature to manipulate API ratings, potentially affecting the integrity and functionality of the impacted systems.

Mitigation and Prevention

This section outlines the necessary steps to mitigate the CVE-2023-6835 vulnerability and prevent any potential security risks.

Immediate Steps to Take

For WSO2 Subscription holders, applying the provided patch/update to the affected product versions is crucial. Community users are advised to implement relevant fixes based on the public announcements and ensure adherence to the provided instructions for a secure environment.

Long-Term Security Practices

In addition to immediate patches, organizations should prioritize continuous monitoring, regular security updates, and robust input validation mechanisms to prevent similar vulnerabilities in the future.

Patching and Updates

Regularly checking for security advisories from WSO2 and promptly applying recommended patches and updates is essential to safeguard systems against known vulnerabilities and maintain a secure operational environment.