CVE-2023-24689 in Mojoportal
Summary
by MITRE • 02/09/2023
An issue in Mojoportal v2.7.0.0 and below allows an authenticated attacker to list all css files inside the root path of the webserver via manipulation of the "s" parameter in /DesignTools/ManageSkin.aspx
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Analysis
by VulDB Data Team • 03/24/2025
The vulnerability identified as CVE-2023-24689 affects Mojoportal versions 2.7.0.0 and earlier, representing a directory traversal flaw that enables authenticated attackers to enumerate CSS files within the web server's root directory. This issue resides within the DesignTools/ManageSkin.aspx page where the application fails to properly validate or sanitize user input passed through the "s" parameter. The vulnerability stems from insufficient input validation mechanisms that allow malicious manipulation of file path references, potentially exposing sensitive filesystem information to unauthorized users who have authenticated access to the application.
The technical implementation of this vulnerability involves the application's handling of the "s" parameter in the ManageSkin.aspx page without proper sanitization or access control enforcement. When an authenticated user submits a crafted value through this parameter, the application processes the input directly without verifying that the requested path remains within the intended boundaries of the web application's directory structure. This oversight creates a condition where attackers can traverse directory structures and list files that should remain protected from public access, particularly targeting CSS files that may contain sensitive information about the application's design or underlying architecture.
From an operational perspective, this vulnerability presents significant risks to organizations deploying vulnerable versions of Mojoportal, as it enables attackers to gather intelligence about the application's file structure and potentially identify other sensitive files or directories that may exist within the web server's root path. The exposure of CSS files could reveal information about the application's styling framework, version details, or even embedded references that might lead to additional vulnerabilities. The authenticated nature of this attack means that the threat actor must first obtain valid credentials, but once achieved, they can systematically enumerate resources that would otherwise remain hidden from casual inspection.
This vulnerability aligns with CWE-22 - Improper Limitation of a Pathname to a Restricted Directory, which specifically addresses the issue of insufficient validation of file paths that allows attackers to access resources outside of intended directories. The attack pattern corresponds to the ATT&CK technique T1083 - File and Directory Discovery, where adversaries seek to understand the file system structure and identify sensitive information. Organizations should consider this vulnerability as part of a broader reconnaissance effort that could lead to more severe exploitation opportunities, particularly when combined with other information gathering techniques that might reveal additional application weaknesses.
The recommended mitigations for CVE-2023-24689 include immediate deployment of patches or updates to Mojoportal versions 2.7.1.0 or later, which contain the necessary fixes for input validation and path handling. Organizations should also implement additional security controls such as input sanitization, proper access control enforcement, and regular security audits of web application components. The implementation of proper parameter validation and the use of secure coding practices that prevent directory traversal attacks should be prioritized. Additionally, organizations should conduct comprehensive testing to ensure that all user-supplied parameters are properly validated and that file access operations are restricted to intended directories only, preventing any potential bypass of access controls through parameter manipulation.