CVE-2007-4313 in Php Blue Dragon
Summary
by MITRE
PHP remote file inclusion vulnerability in public_includes/pub_blocks/activecontent.php in Php Blue Dragon CMS 3.0.0 allows remote attackers to execute arbitrary PHP code via a URL in the vsDragonRootPath parameter, a different vector than CVE-2006-2392, CVE-2006-3076, and CVE-2006-6958.
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Analysis
by VulDB Data Team • 09/30/2024
The CVE-2007-4313 vulnerability represents a critical remote file inclusion flaw within the Php Blue Dragon CMS version 3.0.0, specifically targeting the public_includes/pub_blocks/activecontent.php component. This vulnerability operates through a distinct attack vector compared to previously known issues such as CVE-2006-2392, CVE-2006-3076, and CVE-2006-6958, making it particularly concerning for security professionals who must account for multiple attack surfaces. The flaw manifests when the application fails to properly validate user input passed through the vsDragonRootPath parameter, creating an opportunity for malicious actors to inject and execute arbitrary PHP code on the target system.
The technical implementation of this vulnerability stems from improper input validation and sanitization within the CMS's include mechanism. When an attacker supplies a malicious URL through the vsDragonRootPath parameter, the application processes this input without adequate security checks, allowing the remote file inclusion to occur. This behavior directly aligns with CWE-98, which describes improper control of generation of code, specifically highlighting the dangerous practice of including files based on user-supplied input. The vulnerability operates at the intersection of multiple security concerns including CWE-20, which addresses improper input validation, and CWE-89, which covers SQL injection, though in this case the vector is file inclusion rather than database manipulation.
From an operational perspective, this vulnerability presents a severe risk to organizations using Php Blue Dragon CMS 3.0.0, as it enables remote code execution capabilities that can lead to complete system compromise. Attackers can leverage this flaw to upload malicious files, establish backdoors, or perform further reconnaissance and lateral movement within the network. The impact extends beyond immediate code execution to potential data breaches, service disruption, and unauthorized access to sensitive information. The vulnerability's classification under the ATT&CK framework would fall under T1190 for exploitation of remote services, with potential progression to T1059 for command and control execution and T1083 for system information discovery.
Mitigation strategies for CVE-2007-4313 should prioritize immediate patching of the affected CMS version, as this represents the most effective defense against the vulnerability. Organizations should implement strict input validation measures, particularly for parameters that control file inclusion operations, and establish proper parameter sanitization protocols. Network segmentation and firewall rules can provide additional layers of protection by limiting access to vulnerable components and restricting external connections to critical system resources. The implementation of web application firewalls and runtime application self-protection mechanisms can also help detect and prevent exploitation attempts. Security teams should conduct comprehensive vulnerability assessments to identify similar patterns in other applications and ensure that all input parameters are properly validated. Regular security updates and vulnerability management processes are essential to prevent similar issues from occurring in other components of the system infrastructure.