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CVE-2023-27088 : Security Advisory and Response

Learn about CVE-2023-27088, a vulnerability in IndexController.java of the feiqu-opensource project, allowing demo users to execute operations with admin privileges and modify the blacklist IP address.

This CVE record was published by MITRE on March 8, 2023, revealing a background vertical authorization vulnerability in IndexController.java of the feiqu-opensource project. The vulnerability allows demo users with low permissions to execute operations within the admin super administrator's privileges, potentially modifying the blacklist IP address within the system.

Understanding CVE-2023-27088

This section will delve into the details of CVE-2023-27088, explaining the nature of the vulnerability and its impact.

What is CVE-2023-27088?

CVE-2023-27088 is a background vertical authorization vulnerability found in IndexController.java of the feiqu-opensource project. It enables demo users with limited permissions to carry out actions with the privileges of the admin super administrator, granting them the ability to alter the blacklist IP address within the system.

The Impact of CVE-2023-27088

The impact of this vulnerability is significant as it allows unauthorized users to escalate their privileges and make unauthorized changes to the blacklist IP address, potentially compromising the integrity and security of the system.

Technical Details of CVE-2023-27088

In this section, we will explore the technical aspects of CVE-2023-27088, including the vulnerability description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability in IndexController.java of feiqu-opensource permits demo users to execute actions beyond their intended permissions, enabling them to manipulate the blacklist IP address in the system.

Affected Systems and Versions

The affected vendor and product details are not available for CVE-2023-27088. However, the vulnerability impacts systems running the feiqu-opensource project.

Exploitation Mechanism

By exploiting this vulnerability, unauthorized demo users can leverage their limited permissions to access and modify the blacklist IP address within the system, potentially leading to unauthorized changes and security breaches.

Mitigation and Prevention

Understanding how to mitigate and prevent CVE-2023-27088 is crucial to safeguarding systems from potential exploitation.

Immediate Steps to Take

        It is recommended to restrict demo users' permissions to prevent them from accessing sensitive functionalities.
        Regularly monitor and review user activities, especially those involving critical system configurations.

Long-Term Security Practices

        Implement a robust access control mechanism to restrict user privileges based on the principle of least privilege.
        Conduct regular security audits and penetration testing to identify and address vulnerabilities proactively.

Patching and Updates

        Stay informed about any security patches or updates released by the feiqu-opensource project to fix the background vertical authorization vulnerability in IndexController.java.
        Promptly apply patches and updates to ensure the security and integrity of the system are maintained.

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