CVE-2007-0150 in Dayfox Blog
Summary
by MITRE
Multiple PHP remote file inclusion vulnerabilities in index.php in Dayfox Blog allow remote attackers to execute arbitrary PHP code via a URL in the (1) page, (2) subject, and (3) q parameters.
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Analysis
by VulDB Data Team • 09/01/2017
The vulnerability identified as CVE-2007-0150 represents a critical remote file inclusion flaw in the Dayfox Blog software that exposes systems to arbitrary code execution attacks. This vulnerability resides within the index.php script and affects multiple parameter fields including page, subject, and q, creating multiple attack vectors for malicious actors seeking to compromise affected systems. The flaw demonstrates characteristics consistent with CWE-88, which describes improper neutralization of special elements used in an OS command, and more specifically aligns with CWE-94, representing improper validation of input leading to code injection. The vulnerability operates at the application layer and presents a significant risk to web server security, as it allows remote attackers to inject and execute malicious PHP code through crafted URLs passed as parameters.
The technical implementation of this vulnerability exploits the lack of proper input validation and sanitization within the Dayfox Blog application. When users pass URL parameters through the page, subject, or q fields to the index.php script, the application fails to properly validate or sanitize these inputs before using them in file inclusion operations. This creates an environment where an attacker can supply a malicious URL that gets processed by the application's include or require functions, effectively allowing the execution of arbitrary PHP code on the target server. The attack vector operates through the standard HTTP protocol and requires no special privileges or authentication, making it particularly dangerous as it can be exploited by anyone who can access the vulnerable web application.
From an operational impact perspective, this vulnerability creates substantial risk for organizations running affected Dayfox Blog installations. Successful exploitation can lead to complete system compromise, allowing attackers to execute commands, access sensitive data, install backdoors, or use the compromised server as a launch point for further attacks within the network. The vulnerability affects the integrity and confidentiality of the web application and underlying systems, potentially resulting in data breaches, service disruption, and compliance violations. According to ATT&CK framework, this vulnerability maps to T1190 (Exploit Public-Facing Application) and T1059.007 (Command and Scripting Interpreter: PHP), demonstrating how attackers can leverage such flaws to establish persistent access and maintain control over compromised systems. Organizations may face regulatory penalties and reputational damage if affected systems are compromised, particularly in environments where data protection regulations apply.
Mitigation strategies for CVE-2007-0150 should focus on immediate patching of the Dayfox Blog software to address the input validation deficiencies. System administrators should implement proper input sanitization techniques, including parameter validation, whitelisting of acceptable inputs, and proper escaping of special characters. Network-level defenses such as web application firewalls and intrusion detection systems can provide additional protection by monitoring for suspicious URL patterns and blocking known malicious payloads. Organizations should also consider disabling remote file inclusion features in PHP configurations and implementing strict access controls to limit exposure. Regular security assessments and vulnerability scanning should be conducted to identify similar flaws in other applications. The remediation process should include comprehensive testing to ensure that the patch does not introduce compatibility issues while maintaining the application's core functionality and security posture.