CVE-2006-5325 in Security Suite IP Logger
Summary
by MITRE
Multiple PHP remote file inclusion vulnerabilities in Dimitri Seitz Security Suite IP Logger in dwingmods for phpBB allow remote attackers to execute arbitrary PHP code via a URL in the phpbb_root_path parameter in (1) mkb.php, (2) iplogger.php, (3) admin_board2.php, or (4) admin_logger.php in includes/, different vectors than CVE-2006-5224.
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Analysis
by VulDB Data Team • 04/24/2026
The CVE-2006-5325 vulnerability represents a critical remote file inclusion flaw within the Dimitri Seitz Security Suite IP Logger component of the dwingmods phpBB extension. This vulnerability specifically targets multiple PHP files including mkb.php, iplogger.php, admin_board2.php, and admin_logger.php located within the includes/ directory structure. The flaw stems from insufficient input validation and sanitization mechanisms that fail to properly restrict user-supplied data from being directly incorporated into file inclusion operations. Attackers can exploit this weakness by manipulating the phpbb_root_path parameter to inject malicious URLs that point to remote servers containing attacker-controlled PHP code.
The technical exploitation of this vulnerability occurs through a classic remote file inclusion attack vector where the vulnerable phpBB extension fails to validate or sanitize the phpbb_root_path parameter before using it in include or require statements. When an attacker supplies a malicious URL as the parameter value, the PHP interpreter processes the remote file inclusion, executing any PHP code contained within the remote resource. This creates a pathway for arbitrary code execution on the vulnerable server, potentially allowing full system compromise. The vulnerability is particularly dangerous because it affects multiple files within the same extension, expanding the attack surface and providing multiple potential entry points for exploitation.
The operational impact of CVE-2006-5325 extends beyond simple code execution to encompass complete system compromise and data breaches. Successful exploitation enables attackers to upload and execute malicious payloads, potentially leading to persistent backdoor access, data exfiltration, and further network infiltration. The vulnerability affects phpBB installations using the dwingmods extension, making it particularly concerning for forums and web applications that rely on this security module for monitoring and logging activities. Given that this vulnerability operates through remote file inclusion mechanisms, it aligns with attack patterns documented in the MITRE ATT&CK framework under the T1190 technique for Exploit Public-Facing Application, and specifically relates to CWE-88 for Improper Neutralization of Argument Delimiters in a Command. The impact is amplified when considering that phpBB forums often contain sensitive user data and may serve as platforms for legitimate business operations or community engagement.
Mitigation strategies for CVE-2006-5325 require immediate action to address the root cause through proper input validation and parameter sanitization. System administrators should implement strict input validation that rejects any non-local file paths or URLs that do not conform to expected patterns and should disable the vulnerable dwingmods extension until a patched version is available. The recommended approach includes configuring php.ini settings to disable remote file inclusion using the allow_url_fopen directive set to off, and implementing proper parameter sanitization routines that validate all user inputs before processing. Additionally, network-level firewall rules should be implemented to restrict access to vulnerable phpBB installations, and security monitoring should be enhanced to detect unusual file inclusion patterns. Organizations should also conduct comprehensive vulnerability assessments to identify other potential remote file inclusion vulnerabilities within their phpBB installations and related extensions, as this class of vulnerability often indicates broader security weaknesses in application code that may require additional remediation efforts.