CVE-2007-6539 in iSupport
Summary
by MITRE
PHP local file inclusion vulnerability in index.php in IDevspot iSupport 1.8 allows remote attackers to include local files via the include_file parameter.
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Analysis
by VulDB Data Team • 09/09/2025
The vulnerability identified as CVE-2007-6539 represents a critical local file inclusion flaw within the iSupport 1.8 software suite developed by IDevspot. This issue resides in the index.php file and demonstrates a classic security weakness that has been prevalent in web applications for decades. The vulnerability allows remote attackers to manipulate the application's behavior by injecting arbitrary file paths through the include_file parameter, effectively bypassing normal access controls and potentially gaining unauthorized access to sensitive system resources.
This flaw constitutes a direct violation of secure coding principles and falls under the category of CWE-98, which specifically addresses "Improper Control of Generation of Code ('Code Injection')" and CWE-22, "Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')." The vulnerability enables attackers to include local files from the server filesystem, potentially leading to information disclosure, arbitrary code execution, or system compromise. The attack vector is particularly dangerous because it requires no authentication and can be exploited remotely, making it an attractive target for automated exploitation tools commonly found in the ATT&CK framework under the T1059 category for command and scripting interpreter.
The operational impact of this vulnerability extends beyond simple information disclosure, as successful exploitation could allow attackers to access sensitive configuration files, database credentials, or other system resources that are typically protected from direct web access. When combined with other vulnerabilities or attack techniques, this local file inclusion flaw can serve as a stepping stone for more sophisticated attacks, potentially leading to full system compromise. The vulnerability affects the core functionality of the iSupport application and could result in unauthorized data access, service disruption, or even complete system takeover depending on the privileges of the web application process.
Mitigation strategies for CVE-2007-6539 should focus on implementing proper input validation and sanitization mechanisms to prevent unauthorized file inclusion attempts. The most effective approach involves implementing a whitelist-based system that only allows specific, predefined file paths to be included, rather than accepting arbitrary user input. Additionally, developers should employ proper parameter validation, input encoding, and access control measures to prevent exploitation. Organizations should also consider implementing web application firewalls and intrusion detection systems to monitor for suspicious file inclusion patterns. The remediation process requires immediate patching of the affected software, proper configuration of file access controls, and comprehensive security testing to ensure that similar vulnerabilities do not exist in other parts of the application stack. Regular security audits and code reviews should be conducted to identify and address similar weaknesses in the software development lifecycle.