CVE-2007-1032 in phpMyFAQ
Summary
by MITRE
Unspecified vulnerability in phpMyFAQ 1.6.9 and earlier, when register_globals is enabled, allows remote attackers to "gain the privilege for uploading files on the server."
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Analysis
by VulDB Data Team • 07/13/2021
The vulnerability identified as CVE-2007-1032 represents a critical security flaw in phpMyFAQ versions 1.6.9 and earlier that exploits the dangerous practice of enabling register_globals directive. This issue occurs specifically when the PHP configuration has register_globals set to on, which creates a dangerous environment where superglobal variables become accessible through the global namespace without proper sanitization. The flaw allows remote attackers to manipulate the application's behavior by injecting malicious parameters that can be interpreted as legitimate variables, creating a path for privilege escalation and unauthorized file upload capabilities.
The technical root cause of this vulnerability stems from improper input validation and parameter handling within the phpMyFAQ application. When register_globals is enabled, user-supplied data can automatically become global variables, bypassing normal input sanitization mechanisms. Attackers can craft malicious requests that manipulate application logic by injecting parameters that alter the execution flow. This vulnerability is particularly dangerous because it directly enables attackers to bypass authentication mechanisms and gain elevated privileges on the server. The flaw is classified under CWE-20 as "Improper Input Validation" and falls within the broader category of insecure parameter handling that has been consistently flagged in security assessments and vulnerability scanning tools.
The operational impact of this vulnerability extends far beyond simple unauthorized access, as it provides attackers with complete control over the server's file system through upload capabilities. Once an attacker successfully exploits this vulnerability, they can upload malicious files such as web shells, backdoors, or other harmful executables that can persist on the server and maintain access. This creates a persistent threat vector that can be used for data exfiltration, system compromise, and further lateral movement within the network. The vulnerability affects the confidentiality, integrity, and availability of the affected system, making it a high-priority issue for security administrators and compliance officers who must maintain robust security postures.
Effective mitigation strategies for this vulnerability require immediate action to disable the register_globals directive in PHP configuration files, ensuring that all phpMyFAQ installations operate with secure default settings. Organizations should implement comprehensive patch management procedures to upgrade to phpMyFAQ versions that have addressed this vulnerability and removed the dependency on dangerous PHP configurations. Network segmentation and firewall rules should be implemented to limit access to administrative interfaces, while monitoring systems should be deployed to detect suspicious file upload activities and unauthorized access attempts. Additionally, security awareness training for developers and system administrators is crucial to prevent the use of deprecated and insecure PHP configurations that have been widely recognized as dangerous practices in the security community and are specifically addressed in industry standards such as the OWASP Top Ten and NIST cybersecurity guidelines.