CVE-2007-0499 in phpIndexPage
Summary
by MITRE
PHP remote file inclusion vulnerability in config.php in Sangwan Kim phpIndexPage 1.0.1 and earlier allows remote attackers to execute arbitrary PHP code via a URL in the env[inc_path] parameter.
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Analysis
by VulDB Data Team • 08/18/2024
The vulnerability identified as CVE-2007-0499 represents a critical remote file inclusion flaw in the phpIndexPage application version 1.0.1 and earlier, specifically within the config.php file. This vulnerability falls under the category of insecure direct object references and improper input validation, creating a pathway for malicious actors to execute arbitrary code on vulnerable systems. The flaw exists due to inadequate sanitization of user-supplied input parameters, particularly the env[inc_path] parameter which is directly incorporated into file inclusion operations without proper validation or filtering mechanisms.
The technical implementation of this vulnerability stems from the application's failure to properly validate or sanitize the env[inc_path] parameter before using it in a file inclusion context. When an attacker supplies a malicious URL as the value for this parameter, the application blindly includes the specified file, allowing remote code execution capabilities. This type of vulnerability is categorized as CWE-88, which specifically addresses improper neutralization of special elements in input that could be interpreted as command or control instructions. The vulnerability operates at the application layer and can be exploited through HTTP requests, making it particularly dangerous as it requires no local system access or privileges from the attacker.
The operational impact of this vulnerability is severe and multifaceted, potentially allowing attackers to gain complete control over affected systems. Successful exploitation enables remote code execution, which can lead to data breaches, system compromise, and unauthorized access to sensitive information. The vulnerability affects web servers running vulnerable versions of phpIndexPage, making it a significant concern for organizations that have not updated their software. The attack surface is broad as it can be exploited through web browsers, automated scanners, or any means that can submit HTTP requests to the vulnerable application. This vulnerability directly maps to several ATT&CK techniques including T1059.007 for command and script injection, and T1190 for exploitation of remote services, demonstrating the comprehensive threat landscape this vulnerability presents.
Mitigation strategies for CVE-2007-0499 should prioritize immediate patching of affected systems, as the vulnerability has been known for over a decade and multiple remediation options exist. Organizations must implement proper input validation and sanitization measures, ensuring that all user-supplied parameters undergo strict validation before being processed. The implementation of a whitelist approach for file inclusion operations, where only predefined and trusted paths are allowed, provides an effective defense mechanism. Additionally, disabling remote file inclusion capabilities in PHP configurations and implementing proper access controls can significantly reduce the risk. Network segmentation and intrusion detection systems should be deployed to monitor for suspicious activity patterns that may indicate exploitation attempts. The vulnerability also highlights the importance of maintaining up-to-date software versions and conducting regular security assessments to identify and remediate similar weaknesses in other applications. Organizations should consider implementing web application firewalls to filter malicious requests targeting known vulnerability patterns and establish comprehensive incident response procedures to address potential exploitation attempts.