CVE-2008-6926 in Fantastico De Luxe
Summary
by MITRE
Directory traversal vulnerability in autoinstall4imagesgalleryupgrade.php in the Fantastico De Luxe Module for cPanel allows remote attackers to include and execute arbitrary local files via directory traversal sequences in the scriptpath_show parameter in a GoAhead action. NOTE: this issue only crosses privilege boundaries when security settings such as disable_functions and safe_mode are active, since exploitation requires uploading of executable code to a home directory.
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Analysis
by VulDB Data Team • 11/09/2024
The vulnerability identified as CVE-2008-6926 represents a directory traversal flaw within the Fantastico De Luxe Module for cPanel, specifically affecting the autoinstall4imagesgalleryupgrade.php script. This module serves as an automated installation tool for various web applications within the cPanel environment, making it a critical component for system administrators and users who rely on automated deployment mechanisms. The vulnerability manifests when the scriptpath_show parameter in the GoAhead action is manipulated through directory traversal sequences, creating a path traversal condition that can be exploited by remote attackers to access arbitrary local files on the server.
The technical exploitation of this vulnerability involves crafting malicious input that leverages directory traversal sequences such as ../ or ..\ to navigate outside the intended directory structure where the script operates. When the vulnerable parameter is processed without proper input validation or sanitization, the system interprets these traversal sequences and allows access to files that should remain restricted. This flaw directly aligns with CWE-22, which categorizes directory traversal vulnerabilities as a common weakness in software design that enables attackers to access files outside the intended scope. The vulnerability's impact is particularly significant in environments where cPanel modules handle file operations, as it can potentially expose sensitive configuration files, user data, or system resources that are normally protected by proper access controls.
The operational impact of this vulnerability extends beyond simple file access, as it can enable remote code execution under specific conditions. While the vulnerability requires certain security configurations to be active, including disable_functions and safe_mode settings, the exploitation process still poses a substantial risk to system integrity. Attackers can leverage this weakness to upload executable code to home directories and subsequently execute it, effectively bypassing normal security boundaries. The requirement for specific security settings to enable full privilege escalation means that exploitation is somewhat limited compared to vulnerabilities that can be leveraged directly without such conditions, but the potential for lateral movement and privilege escalation remains significant within affected environments.
Security practitioners should consider this vulnerability in the context of the MITRE ATT&CK framework, particularly under the techniques related to privilege escalation and persistence. The vulnerability can be classified as a path traversal attack that falls under the broader category of code injection and file inclusion vulnerabilities. Organizations should implement immediate mitigations including input validation and sanitization of all user-supplied parameters, especially those used in file path operations. The recommended defensive measures include disabling unnecessary modules, implementing proper access controls, and ensuring that security settings such as safe_mode and disable_functions are properly configured to prevent code execution. Additionally, regular security audits of cPanel modules and automated deployment tools should be conducted to identify similar vulnerabilities that could compromise system security. The vulnerability also underscores the importance of keeping all system components updated, as the Fantastico De Luxe module was likely vulnerable due to outdated security practices that have since been addressed in newer versions.