CVE-2007-3222 in Xfsection Module
Summary
by MITRE
PHP remote file inclusion vulnerability in modify.php in the XFsection 1.07 module for XOOPS allows remote attackers to execute arbitrary PHP code via a URL in the dir_module parameter.
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Analysis
by VulDB Data Team • 09/21/2024
The CVE-2007-3222 vulnerability represents a critical remote file inclusion flaw in the XFsection 1.07 module for XOOPS content management platform. This vulnerability specifically affects the modify.php script within the module, creating a pathway for remote attackers to execute arbitrary PHP code on the target server. The issue stems from improper input validation and sanitization of the dir_module parameter, which is directly used in file inclusion operations without adequate security checks. This type of vulnerability falls under the category of insecure direct object reference and remote code execution, making it particularly dangerous for web applications that process user-supplied input.
The technical exploitation of this vulnerability occurs when an attacker crafts a malicious URL and passes it through the dir_module parameter to the modify.php script. The application fails to validate or sanitize this input before using it in a file inclusion context, allowing the attacker to specify any remote URL that contains malicious PHP code. When the web server processes this request, it retrieves and executes the remote code, effectively granting the attacker complete control over the affected system. This vulnerability is classified as CWE-94, which represents "Improper Control of Generation of Code ('Code Injection')" and aligns with ATT&CK technique T1190, "Exploit Public-Facing Application," where adversaries target web applications to gain unauthorized access.
The operational impact of CVE-2007-3222 extends beyond simple code execution, as it can lead to complete system compromise and data breaches. Attackers can leverage this vulnerability to establish persistent backdoors, exfiltrate sensitive data, or use the compromised server as a launching point for further attacks within the network. The vulnerability affects all versions of the XFsection module up to version 1.07 and impacts any XOOPS installation using this vulnerable module. Organizations running affected systems face significant risk of unauthorized access, data loss, and potential regulatory compliance violations. The attack vector is particularly concerning because it requires minimal user interaction and can be automated, making it attractive to both automated exploit tools and sophisticated attackers.
Mitigation strategies for CVE-2007-3222 should prioritize immediate patching of the vulnerable module to the latest secure version. System administrators should implement input validation and sanitization measures to prevent unauthorized file inclusion operations, particularly by using allowlists of acceptable values for the dir_module parameter. Additionally, the principle of least privilege should be enforced by restricting file inclusion capabilities and ensuring that web applications do not have unnecessary permissions to access remote resources. Network-level protections such as web application firewalls and intrusion detection systems can help detect and block exploitation attempts. Organizations should also conduct comprehensive security audits of their XOOPS installations to identify other potential vulnerabilities and ensure proper configuration of security controls. The vulnerability demonstrates the critical importance of input validation and secure coding practices, as outlined in OWASP Top Ten and other security frameworks, emphasizing that proper sanitization of user input is fundamental to preventing code injection attacks.