CVE-2006-3315 in RahnemaCo
Summary
by MITRE
PHP remote file inclusion vulnerability in page.php in an unspecified RahnemaCo.com product, possibly eShop, allows remote attackers to execute arbitrary PHP code via a URL in the osCsid parameter.
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Analysis
by VulDB Data Team • 09/18/2017
This vulnerability represents a critical remote file inclusion flaw that exists within a RahnemaCo.com product, potentially the eShop platform, affecting the page.php script. The vulnerability specifically targets the osCsid parameter which accepts user-supplied URL inputs without proper validation or sanitization. When an attacker provides a malicious URL in this parameter, the application fails to properly validate the input and instead incorporates the remote file into the execution context, creating an avenue for arbitrary code execution. This type of vulnerability falls under the category of insecure input handling and demonstrates a classic remote code execution vector that has been documented in numerous security assessments and threat intelligence reports.
The technical exploitation of this vulnerability occurs through the manipulation of the osCsid parameter within the page.php script, where the application directly includes or requires remote files without adequate security controls. This flaw aligns with CWE-88, which describes improper neutralization of argument delimiters in a command or injection context, and represents a variant of the broader CWE-94 category related to improper control of generation of code. The vulnerability enables attackers to inject malicious PHP code from remote servers, potentially allowing full system compromise, data theft, or server takeover operations. This vulnerability type has been consistently identified in web application security assessments and is frequently categorized under the OWASP Top Ten as a critical security weakness.
The operational impact of this vulnerability extends beyond simple code execution to encompass complete system compromise and data breach potential. Attackers can leverage this flaw to upload backdoors, establish persistent access, or execute commands on the affected server with the privileges of the web application. The vulnerability affects the confidentiality, integrity, and availability of the targeted system, potentially enabling attackers to exfiltrate sensitive data, modify application behavior, or disrupt service availability. This type of vulnerability is particularly dangerous in e-commerce environments like the eShop platform, where sensitive customer information and financial data are processed. The attack surface is amplified when considering that such vulnerabilities often remain undetected for extended periods due to insufficient input validation and security testing practices.
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 remote URL schemes or suspicious characters. The recommended approach involves using allowlists for acceptable parameter values and implementing proper input filtering to prevent URL inclusion in critical parameters. Additionally, disabling remote file inclusion features in PHP configuration and implementing web application firewalls with rule sets designed to detect and block such attacks provides layered defense. This vulnerability highlights the importance of following secure coding practices as outlined in the OWASP Secure Coding Practices and aligns with ATT&CK technique T1190 for exploiting vulnerabilities in web applications. Regular security assessments, code reviews, and vulnerability scanning should be implemented to identify similar weaknesses in other application components and ensure comprehensive protection against remote code execution attacks.