CVE-2023-24058 : Security Advisory and Response

This CVE record pertains to a vulnerability identified in Booked Scheduler 2.5.5, allowing authenticated users to create and schedule events for any other user via a modified userId value to reservation_save.php. It is essential for system administrators and users of affected systems to understand the implications of CVE-2023-24058 to prevent exploitation.

Understanding CVE-2023-24058

This section delves into the details of CVE-2023-24058, outlining the vulnerability's nature, impact, affected systems, and potential exploitation methods.

What is CVE-2023-24058?

CVE-2023-24058 specifically targets Booked Scheduler 2.5.5, enabling authenticated users to manipulate reservation data for other users by modifying the userId value within reservation_save.php.

The Impact of CVE-2023-24058

The impact of this vulnerability is substantial as it allows unauthorized access and modification of reservation data within the system, potentially leading to confidentiality breaches and unauthorized scheduling changes.

Technical Details of CVE-2023-24058

In this section, we will explore the technical aspects of CVE-2023-24058, including vulnerability description, affected systems and versions, and exploitation mechanisms.

Vulnerability Description

The flaw in Booked Scheduler 2.5.5 allows authenticated users to create and schedule events for any other user through unauthorized manipulation of the userId parameter within reservation_save.php.

Affected Systems and Versions

The vulnerability affects Booked Scheduler version 2.5.5, released in 2014. While the latest version of Booked Scheduler is not impacted, LabArchives Scheduler (Sep 6, 2022 Feature Release) is vulnerable to this exploit.

Exploitation Mechanism

By altering the userId value in the reservation_save.php file, authenticated users can create and schedule events on behalf of other users, bypassing authentication and authorization mechanisms.

Mitigation and Prevention

To mitigate the risks associated with CVE-2023-24058, immediate steps should be taken to address the vulnerability and prevent potential exploitation. Long-term security practices and regular patching are crucial for maintaining system integrity.

Immediate Steps to Take

System administrators should update Booked Scheduler to the latest version to eliminate the vulnerability. Additionally, restricting user permissions and closely monitoring reservation activities can help prevent unauthorized access.

Long-Term Security Practices

Implementing strict access controls, conducting regular security audits, and educating users on best security practices can establish a robust defense against similar vulnerabilities in the future.

Patching and Updates

Staying informed about security patches and updates for software applications is essential. Regularly monitoring vendor advisories and applying patches promptly can safeguard systems from known vulnerabilities like CVE-2023-24058.