CVE-2023-24689 : Exploit Details and Defense Strategies

This CVE record pertains to an issue identified in Mojoportal v2.7.0.0 and earlier versions. The vulnerability allows an authenticated attacker to gather a list of all CSS files located within the root path of the webserver through manipulation of the "s" parameter in /DesignTools/ManageSkin.aspx.

Understanding CVE-2023-24689

This section delves into the details of CVE-2023-24689, shedding light on its nature and implications.

What is CVE-2023-24689?

CVE-2023-24689 is a security flaw found in Mojoportal that enables a malicious actor with authentication privileges to retrieve a comprehensive list of CSS files situated in the root directory of the webserver. This vulnerability arises due to improper handling of input in the "s" parameter of the /DesignTools/ManageSkin.aspx endpoint.

The Impact of CVE-2023-24689

The exploitation of CVE-2023-24689 could potentially lead to information disclosure, exposing sensitive CSS files that are meant to be restricted from unauthorized access. This breach of confidentiality might pave the way for further attacks or data manipulation by threat actors.

Technical Details of CVE-2023-24689

In this section, we explore the technical aspects of CVE-2023-24689, including the vulnerability description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The vulnerability in Mojoportal v2.7.0.0 and earlier versions allows an authenticated attacker to enumerate the CSS files present within the webserver's root path by manipulating the "s" parameter in the /DesignTools/ManageSkin.aspx endpoint. This can result in unauthorized access to sensitive styling information.

Affected Systems and Versions

The issue impacts Mojoportal versions 2.7.0.0 and below. All instances running these specific versions are susceptible to the security vulnerability outlined in CVE-2023-24689.

Exploitation Mechanism

By exploiting the flaw in Mojoportal's handling of the "s" parameter in the /DesignTools/ManageSkin.aspx endpoint, an attacker can craft requests to retrieve a detailed inventory of CSS files stored within the webserver's root path. This manipulation of input allows unauthorized access to confidential styling resources.

Mitigation and Prevention

In the wake of CVE-2023-24689, it is crucial for affected users to take immediate actions to safeguard their systems and prevent potential exploitation.

Immediate Steps to Take

Users should upgrade their Mojoportal installation to a patched version that addresses the vulnerability disclosed in CVE-2023-24689.
Implement access controls and authentication mechanisms to restrict unauthorized access to sensitive directories and files within the webserver's root path.
Regularly monitor and audit access logs for any suspicious activity related to CSS file enumeration or unauthorized requests to the /DesignTools/ManageSkin.aspx endpoint.

Long-Term Security Practices

Enforce secure coding practices to prevent input manipulation vulnerabilities such as improper parameter handling in web applications.
Conduct regular security assessments and penetration testing to identify and remediate potential flaws within web applications like Mojoportal.
Stay informed about security updates and advisories from the software vendors to promptly apply patches and security fixes to mitigate known vulnerabilities.

Patching and Updates

Users of Mojoportal should stay abreast of official patches and updates released by the vendor to address CVE-2023-24689. Timely application of these security fixes is essential to fortify the system against potential exploits and safeguard sensitive information from unauthorized disclosure.