CVE-2006-2121 in I-RATER Platinum
Summary
by MITRE
PHP remote file include vulnerability in admin/config_settings.tpl.php in I-RATER Platinum allows remote attackers to execute arbitrary code via a URL in the include_path parameter. NOTE: this is a different vector, and possibly a different vulnerability, than CVE-2006-1929.
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Analysis
by VulDB Data Team • 11/21/2025
The vulnerability identified as CVE-2006-2121 represents a critical remote file inclusion flaw within the I-RATER Platinum web application, specifically affecting the admin/config_settings.tpl.php file. This vulnerability resides in the application's handling of user-supplied input within the include_path parameter, creating a pathway for malicious actors to execute arbitrary code on the affected system. The flaw demonstrates characteristics consistent with CWE-88, which describes improper neutralization of special elements used in an OS command, and more specifically aligns with CWE-94, representing improper execution of code through dynamic function calls. The vulnerability operates through a direct manipulation of the application's include mechanism, where attacker-controlled input is processed without adequate sanitization or validation.
The technical exploitation of this vulnerability occurs when an attacker crafts a malicious URL and injects it into the include_path parameter, which is then processed by the PHP interpreter during the template rendering phase. This allows the attacker to specify external resources that are subsequently included and executed within the context of the web application's privileges. The vulnerability's impact extends beyond simple code execution, as it can potentially enable full system compromise when combined with other attack vectors. According to ATT&CK framework, this vulnerability maps to T1059.007 for the execution of code through PHP, and T1505.003 for the use of remote file inclusion techniques. The flaw essentially transforms the legitimate include functionality into an attack surface that can be leveraged for privilege escalation and persistent access.
The operational impact of CVE-2006-2121 is severe, as it provides remote attackers with unrestricted code execution capabilities on the vulnerable system. An attacker could potentially install backdoors, modify application behavior, steal sensitive data, or use the compromised system as a launch point for further attacks within the network. The vulnerability affects the administrative interface of I-RATER Platinum, which typically operates with elevated privileges, making the potential impact even more significant. Organizations using this software face risks of complete system compromise, data breaches, and potential regulatory violations. The vulnerability's classification as a remote code execution flaw places it in the highest severity category, as demonstrated by its CVSS score and the potential for automated exploitation. Network defenders must recognize that this vulnerability can be exploited without authentication, making it particularly dangerous in exposed web environments.
Mitigation strategies for this vulnerability should focus on immediate patching of the affected I-RATER Platinum application, as no reliable workarounds exist for this specific flaw. System administrators should implement proper input validation and sanitization measures to prevent user-supplied data from being processed in include operations. The principle of least privilege should be enforced by ensuring that the web application operates with minimal necessary permissions. Network-level protections such as web application firewalls and intrusion prevention systems can provide additional defense-in-depth measures, though they are not substitutes for proper code remediation. Security monitoring should include detection of unusual include_path parameter usage patterns and anomalous file access patterns. Organizations should also consider implementing proper error handling to prevent information disclosure and ensure that all user inputs are properly validated and escaped before being processed by the PHP interpreter. The vulnerability serves as a reminder of the critical importance of secure coding practices and the dangers of directly incorporating user-supplied data into dynamic code execution contexts.