CVE-2009-1444 in WebPortal
Summary
by MITRE
PHP remote file inclusion vulnerability in indexk.php in WebPortal CMS 0.8-beta allows remote attackers to execute arbitrary PHP code via a URL in the lib_path parameter.
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Analysis
by VulDB Data Team • 11/27/2024
The vulnerability identified as CVE-2009-1444 represents a critical remote file inclusion flaw within the WebPortal Content Management System version 0.8-beta. This issue resides in the indexk.php script where improper input validation allows malicious actors to inject arbitrary URLs into the lib_path parameter. The vulnerability stems from the application's failure to properly sanitize user-supplied input before using it in file inclusion operations, creating an avenue for attackers to execute arbitrary PHP code on the target system. Such vulnerabilities are particularly dangerous as they can enable full system compromise when exploited by malicious actors.
The technical nature of this vulnerability aligns with CWE-88, which describes improper neutralization of special elements used in an OS command, and more specifically with CWE-94, which addresses the execution of arbitrary code due to inadequate input validation. The flaw operates through a classic remote code execution vector where an attacker can manipulate the lib_path parameter to reference external URLs containing malicious PHP payloads. When the application processes this parameter without proper validation, it attempts to include and execute the remote file, effectively allowing the attacker to execute arbitrary code with the privileges of the web server process.
The operational impact of this vulnerability extends beyond simple code execution, as it provides attackers with complete control over the affected system. An attacker can leverage this vulnerability to establish persistent backdoors, escalate privileges, access sensitive data, or use the compromised server as a launching point for further attacks within the network. The remote nature of the exploit means that attackers do not require local access or authentication to exploit this vulnerability, making it particularly attractive for automated attacks. Additionally, the vulnerability affects the web server's execution environment, potentially compromising other applications or services running on the same server, and could lead to data breaches or service disruption.
Mitigation strategies for CVE-2009-1444 should focus on immediate patching of the WebPortal CMS to version 0.8 or later, which contains the necessary fixes for this vulnerability. Organizations should also implement input validation and sanitization measures to prevent similar issues in other applications, ensuring that all user-supplied parameters are properly validated before being used in file inclusion operations. Network-level protections such as web application firewalls and strict input filtering can provide additional defense in depth. Security monitoring should include detection of suspicious file inclusion patterns and unusual network traffic to identify potential exploitation attempts. According to ATT&CK framework, this vulnerability maps to T1059.007 for remote code execution and T1071.004 for application layer protocol usage, highlighting the need for comprehensive network traffic analysis and application security controls. System administrators should also consider implementing principle of least privilege for web server accounts and regularly audit file inclusion operations to prevent similar vulnerabilities from being introduced in future development cycles.