CVE-2006-3375 in Randshop
Summary
by MITRE
PHP remote file inclusion vulnerability in includes/header.inc.php in Randshop 1.1.1 allows remote attackers to execute arbitrary PHP code via the dateiPfad parameter.
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Analysis
by VulDB Data Team • 07/06/2024
The vulnerability identified as CVE-2006-3375 represents a critical remote file inclusion flaw in Randshop version 1.1.1 that exposes the application to arbitrary code execution attacks. This vulnerability specifically affects the includes/header.inc.php file, which processes user-supplied input through the dateiPfad parameter without proper validation or sanitization. The flaw stems from the application's insecure handling of file path parameters, allowing attackers to inject malicious file paths that are subsequently included and executed by the PHP interpreter. This type of vulnerability falls under the category of CWE-88, which describes improper neutralization of special elements used in an expression, and more specifically aligns with CWE-94, representing improper execution of code. The attack vector operates through the exploitation of the application's file inclusion mechanism, where user-controllable parameters directly influence the file inclusion process. According to the ATT&CK framework, this vulnerability maps to T1059.007 for PHP code execution and T1190 for exploitation of remote file inclusion vulnerabilities.
The technical implementation of this vulnerability occurs when an attacker crafts a malicious URL containing a crafted dateiPfad parameter that points to a remote malicious PHP script. When the vulnerable application processes this parameter, it performs a file inclusion operation that executes the attacker's code within the context of the web server. The lack of input validation means that any file path provided by the user is directly used in the include statement, creating an opportunity for attackers to reference external resources such as remote PHP shells or malicious scripts hosted on attacker-controlled servers. This vulnerability demonstrates a fundamental flaw in the application's security architecture, where user input is not properly sanitized before being used in dynamic file operations.
The operational impact of this vulnerability extends beyond simple code execution, as it provides attackers with complete control over the affected system. Successful exploitation can result in full system compromise, data theft, privilege escalation, and the establishment of persistent backdoors within the web application environment. The vulnerability affects not just the application itself but potentially the entire underlying server infrastructure, especially when the web server has elevated privileges. Organizations running Randshop 1.1.1 are at significant risk of unauthorized access and data breaches, as attackers can leverage this vulnerability to gain administrative control over the affected systems. The long-term implications include potential lateral movement within networks, as compromised systems can serve as launch points for further attacks against other connected systems.
Mitigation strategies for CVE-2006-3375 must address the root cause of the vulnerability through comprehensive input validation and secure coding practices. The primary remediation involves implementing proper parameter validation and sanitization for all user-supplied inputs, particularly those used in file inclusion operations. Organizations should enforce strict allowlists for acceptable file paths and reject any input that does not match predefined safe patterns. Additionally, disabling remote file inclusion capabilities within PHP configuration settings can prevent attackers from referencing external resources. The implementation of input validation techniques should follow established security guidelines and incorporate proper error handling to prevent information disclosure. Security patches or upgrades to newer versions of Randshop should be implemented immediately, as this vulnerability has been widely documented and exploited in the cybersecurity community. Organizations should also consider implementing web application firewalls and runtime application self-protection mechanisms to detect and prevent exploitation attempts. The vulnerability underscores the importance of secure coding practices and the need for regular security assessments to identify and remediate similar flaws in web applications.