CVE-2006-3269 in THoRCMS
Summary
by MITRE
PHP remote file inclusion vulnerability in includes/functions_cms.php in THoRCMS 1.3.1 allows remote attackers to execute arbitrary PHP code via the phpbb_root_path parameter.
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Analysis
by VulDB Data Team • 07/05/2024
The vulnerability identified as CVE-2006-3269 represents a critical remote file inclusion flaw within the THoRCMS 1.3.1 content management system. This issue resides in the includes/functions_cms.php file where the phpbb_root_path parameter is improperly handled, creating an avenue for malicious actors to inject and execute arbitrary PHP code on the target system. The vulnerability stems from the application's failure to properly validate and sanitize user-supplied input parameters before incorporating them into file inclusion operations, which directly aligns with CWE-98 implementation flaws that allow for code injection through improper input validation.
The technical exploitation of this vulnerability occurs when an attacker crafts a malicious request containing a specially formatted phpbb_root_path parameter that points to a remote malicious PHP script. When the vulnerable application processes this parameter, it includes and executes the remote file, effectively allowing the attacker to run arbitrary code with the privileges of the web server process. This type of vulnerability falls under the ATT&CK technique T1190 - Exploit Public-Facing Application, specifically targeting the remote code execution capability through improper input handling. The flaw demonstrates a classic path traversal and remote code execution vector where the application's trust in user input leads to unauthorized code execution.
The operational impact of this vulnerability is severe as it provides attackers with complete control over the affected web server. Once exploited, adversaries can establish persistent access, escalate privileges, and potentially use the compromised system as a launching point for further attacks within the network infrastructure. The vulnerability affects the confidentiality, integrity, and availability of the system by allowing unauthorized code execution, data exfiltration, and potential system compromise. Organizations running THoRCMS 1.3.1 are particularly vulnerable since the flaw exists in the core application functionality, making it difficult to isolate or patch without comprehensive system remediation. The attack surface is broad as the vulnerability can be exploited through various vectors including web browser interactions, automated scanning tools, or manual exploitation attempts.
Mitigation strategies for CVE-2006-3269 should prioritize immediate patching of the THoRCMS application to the latest available version that addresses the remote file inclusion vulnerability. Organizations should implement input validation and sanitization measures to prevent unauthorized file inclusion operations, particularly by avoiding direct user input incorporation into file path parameters. Network-level protections such as web application firewalls and intrusion prevention systems can help detect and block exploitation attempts. Additionally, implementing proper access controls and least privilege principles for web server accounts reduces the potential impact of successful exploitation. Security hardening practices including disabling dangerous PHP functions, restricting file inclusion capabilities, and conducting regular security assessments should be implemented to prevent similar vulnerabilities from occurring in other applications. The remediation process must also include comprehensive monitoring for signs of compromise and establishing incident response procedures to address potential exploitation attempts.