CVE-2008-4181 in Fantastico De Luxe
Summary
by MITRE
Directory traversal vulnerability in includes/xml.php in the Netenberg Fantastico De Luxe module before 2.10.4 r19 for cPanel, when cPanel PHP Register Globals is enabled, allows remote authenticated users to include and execute arbitrary local files via a .. (dot dot) or absolute pathname in the fantasticopath parameter. NOTE: in some environments, this can be leveraged for remote file inclusion by using a UNC share pathname or an ftp, ftps, or ssh2.sftp URL.
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Analysis
by VulDB Data Team • 11/04/2024
The CVE-2008-4181 vulnerability represents a critical directory traversal flaw within the Netenberg Fantastico De Luxe module for cPanel systems. This vulnerability exists in versions prior to 2.10.4 r19 and specifically affects installations where cPanel PHP Register Globals is enabled. The flaw resides in the includes/xml.php file which fails to properly validate user input parameters, creating an exploitable condition that allows authenticated attackers to manipulate file inclusion operations. The vulnerability manifests through the fantasticopath parameter which accepts directory traversal sequences such as .. (dot dot) or absolute pathnames, enabling attackers to navigate the filesystem beyond intended boundaries.
The technical exploitation of this vulnerability leverages the dangerous combination of PHP's register_globals feature and insufficient input sanitization. When register_globals is enabled, user-supplied data becomes automatically available as PHP variables, eliminating the need for explicit parameter handling. Attackers can craft malicious requests containing directory traversal sequences in the fantasticopath parameter to access arbitrary local files on the server. The vulnerability's severity is amplified because it allows not only file reading but also arbitrary code execution through the inclusion of local files, making it a significant threat to system integrity and confidentiality. This type of vulnerability maps directly to CWE-22, which defines the weakness of improper limitation of a pathname to a restricted directory, commonly known as path traversal or directory traversal attacks.
The operational impact of CVE-2008-4181 extends beyond simple unauthorized file access, as it provides attackers with potential pathways for remote code execution and system compromise. The vulnerability can be particularly dangerous in shared hosting environments where multiple users interact with the same cPanel instance. Attackers who successfully exploit this flaw can access sensitive system files, configuration data, and potentially gain administrative privileges. The vulnerability's exploitation can be further extended through the use of UNC share pathnames or URL schemes like ftp, ftps, or ssh2.sftp, which allows attackers to leverage the directory traversal for remote file inclusion attacks. This expansion of attack vectors demonstrates how a single vulnerability can compound into more severe security issues, aligning with ATT&CK technique T1059 for command and scripting interpreter and T1078 for valid accounts.
Mitigation strategies for this vulnerability require immediate patching of the affected Netenberg Fantastico De Luxe module to version 2.10.4 r19 or later, which contains the necessary input validation fixes. Organizations should also consider disabling cPanel PHP Register Globals if it is not essential for their operations, as this feature significantly increases the attack surface for such vulnerabilities. Network segmentation and access controls should be implemented to limit the exposure of cPanel systems to untrusted networks. Additionally, regular security audits and vulnerability assessments should be conducted to identify similar issues in other components of the system. System administrators should monitor for suspicious file access patterns and implement proper logging mechanisms to detect potential exploitation attempts. The remediation process should also include reviewing and tightening file permissions, ensuring that only authorized users can access the Fantastico De Luxe module functionality, and maintaining current security patches for all cPanel components to prevent similar vulnerabilities from being exploited.