CVE-2007-0260 in Naig
Summary
by MITRE
** DISPUTED ** PHP remote file inclusion vulnerability in index.php in Naig 0.5.2 and earlier allows remote attackers to execute arbitrary PHP code via a URL in the this_path parameter. NOTE: a reliable third party disputes this vulnerability because this_path is defined before use.
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Analysis
by VulDB Data Team • 08/07/2024
The vulnerability described in CVE-2007-0260 pertains to a potential remote file inclusion flaw discovered in the Naig content management system version 0.5.2 and earlier. This issue was classified as a remote code execution vulnerability that could potentially allow malicious actors to execute arbitrary PHP code on the target server. The vulnerability specifically involved the index.php file where a parameter named this_path was utilized in a manner that could be manipulated by remote attackers to include external files. According to the original description, attackers could exploit this weakness by providing a URL in the this_path parameter, which would then be processed by the vulnerable application. This type of vulnerability falls under the category of insecure direct object references and remote file inclusion attacks that have been extensively documented in cybersecurity literature. The potential impact of such vulnerabilities extends beyond simple code execution to include complete system compromise, data theft, and service disruption.
The technical nature of this vulnerability aligns with CWE-88, which describes improper neutralization of special elements used in an expression, specifically in the context of command injection and file inclusion attacks. This flaw represents a classic example of how improper input validation can lead to severe security consequences, particularly when applications directly incorporate user-supplied data into file paths or include statements without proper sanitization. The vulnerability demonstrates the critical importance of input validation and the principle of least privilege in secure coding practices. When a web application accepts user input and directly uses it in file operations without proper validation or sanitization, it creates an attack surface that malicious actors can exploit to execute arbitrary code. The specific parameter this_path in the Naig application appears to have been susceptible to manipulation, allowing attackers to redirect file inclusion operations to remote malicious servers.
The operational impact of this vulnerability, if confirmed, would be significant for any organization running affected versions of the Naig system. Remote code execution vulnerabilities provide attackers with the capability to gain complete control over the affected server, potentially leading to data breaches, system compromise, and service availability issues. The vulnerability could be exploited through simple web requests, making it particularly dangerous as it requires minimal technical expertise to leverage. Organizations utilizing vulnerable versions would face risks including unauthorized access to sensitive data, potential lateral movement within networks, and the possibility of establishing persistent backdoors. This type of vulnerability also impacts compliance with various security standards and regulations that require organizations to maintain secure software environments. The potential for cascading effects means that exploitation of this vulnerability could lead to broader security incidents affecting multiple systems within an organization's infrastructure.
The disputed nature of this vulnerability, as noted in the original description, stems from the fact that the this_path parameter appears to be defined before use, suggesting that the vulnerability may not exist as originally reported. However, this does not diminish the importance of understanding the broader implications for secure coding practices and input validation. Security researchers and practitioners should approach such disputed vulnerabilities with careful analysis and verification, as the presence of any code that accepts user input without proper validation represents a potential security risk. The vulnerability serves as an important case study in the importance of thorough code review processes and the need for robust input validation mechanisms in web applications. Organizations should implement comprehensive security testing procedures including static code analysis, dynamic application security testing, and penetration testing to identify and remediate potential vulnerabilities. The incident highlights the necessity of maintaining up-to-date security practices and the importance of verifying security claims through independent assessment rather than relying solely on vendor or third-party reports. Modern security frameworks and methodologies such as those defined in the ATT&CK framework emphasize the importance of identifying and mitigating such vulnerabilities through proper secure coding practices and continuous security monitoring.
The remediation approach for this vulnerability would typically involve implementing proper input validation and sanitization mechanisms, avoiding direct user input in file inclusion operations, and implementing a whitelist approach for file paths. Organizations should also consider implementing web application firewalls, input filtering, and regular security assessments to prevent similar vulnerabilities from being introduced in future versions of their applications. The vulnerability underscores the critical need for security awareness training and the establishment of secure coding standards within development organizations to prevent such issues from occurring in the first place.