CVE-2006-4329 in Shadows Rising RPG
Summary
by MITRE
Multiple PHP remote file inclusion vulnerabilities in Shadows Rising RPG (Pre-Alpha) 0.0.5b and earlier allow remote attackers to execute arbitrary PHP code via a URL in the CONFIG[gameroot] parameter to (1) core/includes/security.inc.php, (2) core/includes/smarty.inc.php, (3) qcms/includes/smarty.inc.php or (4) qlib/smarty.inc.php.
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Analysis
by VulDB Data Team • 07/15/2024
The vulnerability identified as CVE-2006-4329 represents a critical remote file inclusion flaw affecting the Shadows Rising RPG pre-alpha version 0.0.5b and earlier. This vulnerability resides within the application's handling of user-supplied input parameters, specifically targeting the CONFIG[gameroot] parameter that is processed through multiple include files. The flaw allows malicious actors to inject arbitrary PHP code by manipulating the URL parameter, creating a pathway for remote code execution that could compromise the entire web application and underlying server infrastructure.
This vulnerability maps directly to CWE-88, known as "Improper Neutralization of Argument Delimiters in a Command," and more specifically to CWE-94, "Improper Control of Generation of Code ('Code Injection')." The technical implementation flaw occurs when the application fails to properly validate or sanitize user input before using it in include or require statements. The affected files core/includes/security.inc.php, core/includes/smarty.inc.php, qcms/includes/smarty.inc.php, and qlib/smarty.inc.php all process the CONFIG[gameroot] parameter without adequate input sanitization, allowing attackers to inject malicious URLs that get executed as PHP code. This creates a persistent threat vector where attackers can load remote files containing malicious code, effectively bypassing local security controls and gaining unauthorized access to the system.
The operational impact of this vulnerability extends beyond simple code execution, creating potential for complete system compromise and data breach scenarios. Attackers can leverage this vulnerability to establish persistent backdoors, escalate privileges, and access sensitive data stored within the application's database or file system. The remote nature of this exploit means that attackers do not require physical access to the system, making it particularly dangerous for web applications hosting sensitive information. This vulnerability also aligns with ATT&CK technique T1190, "Exploit Public-Facing Application," and can be classified under the broader category of web application attacks that target input validation weaknesses. The vulnerability's presence in multiple include files indicates a systemic design flaw in the application's architecture, suggesting that similar issues may exist in other parameter handling mechanisms.
Mitigation strategies for this vulnerability should focus on immediate input validation and sanitization measures. The primary defense involves implementing strict parameter validation to ensure that all user-supplied input, particularly URL parameters, contains only expected and safe characters. Applications should employ whitelisting approaches for critical parameters, rejecting any input that does not match predefined patterns. Additionally, disabling remote file inclusion capabilities entirely through php.ini settings, such as setting allow_url_include to Off, provides an effective defense layer. The application should also implement proper error handling and logging mechanisms to detect and respond to potential exploitation attempts. Regular security audits and code reviews should be conducted to identify similar vulnerabilities in other parts of the application, while implementing secure coding practices that prevent similar issues from occurring in future development cycles. Organizations should also consider implementing web application firewalls and intrusion detection systems to monitor for exploitation attempts targeting this specific vulnerability pattern.