CVE-2008-0602 in All Club CMS
Summary
by MITRE
Directory traversal vulnerability in index.php in All Club CMS (ACCMS) 0.0.1f and earlier allows remote attackers to include and execute arbitrary local files via directory traversal sequences in the class_name parameter.
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Analysis
by VulDB Data Team • 10/16/2024
The vulnerability identified as CVE-2008-0602 represents a critical directory traversal flaw within the All Club CMS (ACCMS) version 0.0.1f and earlier implementations. This security weakness exists in the index.php script where the application fails to properly validate user input passed through the class_name parameter. The vulnerability stems from insufficient input sanitization mechanisms that allow attackers to manipulate file paths and access unauthorized local resources on the affected server.
This directory traversal vulnerability falls under the Common Weakness Enumeration category CWE-22, which specifically addresses improper limitation of a pathname to a restricted directory, commonly known as path traversal or directory traversal attacks. The flaw enables attackers to exploit the application's file inclusion mechanism by crafting malicious directory traversal sequences such as ../ or ..\ that can navigate outside the intended directory structure. The attack vector specifically targets the class_name parameter, which is processed without adequate validation, allowing remote threat actors to include and execute arbitrary local files on the web server.
The operational impact of this vulnerability is severe and multifaceted, potentially allowing attackers to gain unauthorized access to sensitive system files, configuration data, and potentially execute malicious code with the privileges of the web server process. An attacker could leverage this vulnerability to access database configuration files, user credentials, application source code, or other confidential information stored on the server. The remote execution capability means that threat actors do not require local access to the system and can exploit this weakness from any network location, making it particularly dangerous for publicly accessible web applications.
The exploitation of this vulnerability aligns with several techniques documented in the MITRE ATT&CK framework, specifically under the T1059.007 technique for Command and Scripting Interpreter: PowerShell, and T1566.001 for Initial Access: Spearphishing Attachment. The vulnerability creates a pathway for attackers to execute arbitrary commands through file inclusion mechanisms, potentially leading to full system compromise. Security professionals should note that this vulnerability represents a classic example of how insufficient input validation can lead to remote code execution, making it a prime target for automated exploitation tools commonly found in threat actor toolkits.
Mitigation strategies for this vulnerability require immediate implementation of proper input validation and sanitization mechanisms. Organizations should implement strict parameter validation that rejects any input containing directory traversal sequences or special characters that could be used to manipulate file paths. The recommended approach involves implementing a whitelist-based validation system that only accepts predefined, safe class names rather than allowing arbitrary input. Additionally, the web server should be configured with appropriate file permissions that limit access to sensitive directories and files. The application should be updated to a patched version of ACCMS that addresses this vulnerability, as the original version is no longer supported and lacks security updates. System administrators should also implement proper monitoring and logging mechanisms to detect suspicious file access patterns that could indicate exploitation attempts.