CVE-2006-3314 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 pageid parameter.
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Analysis
by VulDB Data Team • 09/16/2017
This vulnerability represents a critical remote code execution flaw in web applications that fail to properly validate user input. The issue specifically affects PHP applications where the pageid parameter in page.php is not adequately sanitized before being used in include or require statements. This creates an opportunity for attackers to inject malicious URLs that, when processed by the vulnerable application, execute arbitrary PHP code on the server. The vulnerability stems from improper input validation and the dangerous practice of directly incorporating user-supplied data into server-side execution contexts. According to CWE-94, this falls under the category of "Improper Control of Generation of Code ('Code Injection')" where attacker-controllable data flows into code execution contexts.
The operational impact of this vulnerability is severe as it allows remote attackers to gain full control over the affected server. An attacker can leverage this weakness to upload and execute malicious scripts, potentially leading to complete system compromise, data exfiltration, and establishment of persistent backdoors. The vulnerability affects unspecified RahnemaCo.com products including what appears to be an eShop application, indicating this is likely a commercial web application framework that may be deployed across multiple installations. The remote nature of the attack means that exploitation can occur from anywhere on the internet without requiring local access or authentication. This aligns with ATT&CK technique T1190 which describes the use of remote services to gain initial access to target systems.
The technical flaw manifests when the application accepts a pageid parameter and directly uses it in PHP include or require functions without proper validation or sanitization. Attackers can craft malicious URLs that point to remote servers hosting malicious PHP code, which then gets executed on the vulnerable server. This vulnerability is particularly dangerous because it can be exploited through simple HTTP requests without requiring complex attack chains. The lack of input validation creates a direct path for code injection where attacker-controlled data becomes executable code. Security controls such as input sanitization, whitelisting of valid page identifiers, and proper parameter validation are essential to prevent this class of vulnerability. Organizations should implement strict input validation and avoid dynamic code execution based on user input. The vulnerability also highlights the importance of secure coding practices and proper parameter handling in web applications, as outlined in OWASP Top 10 categories related to injection flaws.
Mitigation strategies should include immediate patching of affected applications, implementing proper input validation and sanitization of all user-supplied parameters, and configuring web applications to use whitelisting approaches for page identification. Organizations should also deploy web application firewalls to detect and block suspicious requests containing malicious URLs. Regular security audits and code reviews are essential to identify similar vulnerabilities in other application components. The vulnerability demonstrates the critical need for comprehensive security testing including dynamic and static analysis of web applications to prevent such dangerous injection flaws from reaching production environments. Additionally, implementing proper access controls and least privilege principles can limit the damage if such vulnerabilities are exploited.