CVE-2008-6080 in Com Ionfiles
Summary
by MITRE
Directory traversal vulnerability in download.php in the ionFiles (com_ionfiles) 4.4.2 component for Joomla! allows remote attackers to read arbitrary files via a .. (dot dot) in the file parameter.
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Analysis
by VulDB Data Team • 11/08/2024
The CVE-2008-6080 vulnerability represents a critical directory traversal flaw within the ionFiles component version 4.4.2 for Joomla! platforms. This security weakness exists in the download.php script which fails to properly validate user input parameters, specifically the file parameter that handles file download requests. The vulnerability stems from insufficient input sanitization and path validation mechanisms that allow malicious actors to manipulate file access requests through directory traversal sequences.
The technical exploitation of this vulnerability occurs when an attacker crafts a malicious request containing .. (dot dot) sequences in the file parameter of the download.php endpoint. These sequences enable attackers to navigate upward through the directory structure and access files outside the intended download directory. The flaw essentially allows arbitrary file reading capabilities, potentially exposing sensitive system files, configuration data, or other confidential information stored on the server. This type of vulnerability falls under the CWE-22 category for Improper Limitation of a Pathname to a Restricted Directory, which is a well-documented weakness in web application security.
The operational impact of CVE-2008-6080 extends beyond simple information disclosure, as it can lead to complete system compromise when combined with other exploitation techniques. Attackers can leverage this vulnerability to access database configuration files, administrator credentials, application source code, and other sensitive materials that could facilitate further attacks. The vulnerability is particularly dangerous in web hosting environments where multiple applications share the same server, as it could potentially allow attackers to access files from other applications or system components. This weakness aligns with ATT&CK technique T1083 (File and Directory Discovery) and can contribute to broader reconnaissance and persistence phases of an attack lifecycle.
Mitigation strategies for this vulnerability require immediate patching of the affected Joomla! component to version 4.4.3 or later, which contains the necessary input validation fixes. System administrators should also implement proper input sanitization measures at the web application level, including strict validation of file parameters and implementation of whitelist-based file access controls. Additional defensive measures include restricting file download functionality to authenticated users only, implementing proper file access controls through server configuration, and conducting regular security audits of web applications. Organizations should also consider implementing web application firewalls and intrusion detection systems to monitor for exploitation attempts. The vulnerability demonstrates the critical importance of proper input validation and the principle of least privilege in web application security, as outlined in various security frameworks including the OWASP Top Ten and NIST cybersecurity guidelines.