CVE-2005-3038 in Hosting Controller
Summary
by MITRE
Unspecified vulnerability in Hosting Controller 6.1 before Hotfix 2.4 allows remote attackers to list and read contents of arbitrary drives, related to "the PHP vulnerability."
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Analysis
by VulDB Data Team • 06/09/2019
This vulnerability resides within Hosting Controller 6.1 before Hotfix 2.4 and represents a critical security flaw that enables remote attackers to enumerate and access files from arbitrary drives on the affected system. The issue stems from improper input validation and access control mechanisms within the PHP-based web interface, creating a path for unauthorized data disclosure and system enumeration. The unspecified nature of the vulnerability suggests it may involve multiple attack vectors or a complex interaction between different system components. This type of flaw typically falls under the category of directory traversal or path traversal vulnerabilities, where attacker-controlled input can manipulate file system access patterns. The vulnerability's impact is particularly severe because it allows for arbitrary drive access, meaning attackers could potentially read sensitive system files, configuration data, user information, or other confidential resources stored on different logical drives within the system.
The technical exploitation of this vulnerability occurs through PHP code execution that fails to properly sanitize user-supplied input before using it in file system operations. Attackers can craft malicious requests that bypass normal access controls and traverse file system paths to access unauthorized directories and files. This weakness enables what cybersecurity frameworks classify as privilege escalation or unauthorized information access, where an attacker can move laterally within the system to access resources they should not be permitted to reach. The vulnerability may involve improper validation of file paths, lack of proper access control checks, or insufficient sanitization of input parameters that are processed by PHP functions responsible for file operations. According to common weakness enumeration standards, this vulnerability aligns with CWE-22 - Improper Limitation of a Pathname to a Restricted Directory and CWE-77 - Improper Neutralization of Special Elements used in a Command, which are fundamental security issues in web application development.
The operational impact of this vulnerability extends beyond simple information disclosure, as it can provide attackers with comprehensive knowledge of the system's file structure and potentially sensitive data stored on various drives. This information can be leveraged for further attacks including privilege escalation, data exfiltration, or system compromise. The ability to read arbitrary drives means that attackers can access not only user files but also system configuration files, database files, application source code, and potentially administrative credentials stored in various locations. This vulnerability can be particularly dangerous in shared hosting environments or multi-tenant systems where multiple users operate on the same infrastructure, as it could allow one user to access another user's data. From an attack lifecycle perspective, this vulnerability maps to the reconnaissance phase of the kill chain, where attackers gather information about the target system before executing more sophisticated attacks. The vulnerability also aligns with ATT&CK technique T1083 - File and Directory Discovery, which describes methods attackers use to enumerate files and directories on compromised systems.
Mitigation strategies for this vulnerability require immediate implementation of security patches provided by the vendor, specifically Hotfix 2.4 for Hosting Controller 6.1. Organizations should also implement input validation and sanitization measures to prevent malicious path traversal attempts, enforce proper access controls, and restrict file system permissions for PHP applications. Network segmentation and firewall rules can help limit access to vulnerable systems, while regular security audits and penetration testing should be conducted to identify similar vulnerabilities in other applications. Additional protective measures include implementing web application firewalls to detect and block suspicious file access patterns, monitoring system logs for unusual file access attempts, and establishing proper user access controls to limit what files can be accessed by different user roles. Security teams should also consider implementing automated vulnerability scanning tools to identify similar issues in other web applications and ensure that all systems are regularly updated with the latest security patches. The vulnerability serves as a reminder of the critical importance of proper input validation and access control implementation in web applications, particularly those handling user-supplied data through PHP-based interfaces.