CVE-2007-1439 in MySQL Commander
Summary
by MITRE
PHP remote file inclusion vulnerability in ressourcen/dbopen.php in bitesser MySQL Commander 2.7 and earlier, when register_globals is enabled, allows remote attackers to execute arbitrary PHP code via a URL in the home parameter.
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Analysis
by VulDB Data Team • 08/28/2024
The vulnerability identified as CVE-2007-1439 represents a critical remote file inclusion flaw in bitesser MySQL Commander version 2.7 and earlier. This vulnerability specifically targets the ressourcen/dbopen.php script where the application fails to properly validate user input parameters. When the register_globals PHP configuration directive is enabled, the application becomes susceptible to malicious input manipulation that can lead to arbitrary code execution. The vulnerability is particularly dangerous because it leverages the home parameter which is directly incorporated into the application's file inclusion mechanism without proper sanitization or validation.
The technical exploitation of this vulnerability occurs through a carefully crafted URL passed as the home parameter in the HTTP request. When register_globals is enabled, PHP automatically creates global variables from request data, including GET and POST parameters. This creates an environment where attacker-controlled input can be seamlessly integrated into the application's execution flow. The ressourcen/dbopen.php script processes this home parameter without adequate input validation, allowing the attacker to specify a remote URL that gets included and executed as PHP code. This pattern aligns with CWE-88, which describes improper neutralization of special elements used in an input vector, specifically in the context of command injection and file inclusion attacks.
The operational impact of this vulnerability extends beyond simple code execution to encompass complete system compromise when the application is running with elevated privileges. Attackers can leverage this vulnerability to upload and execute malicious PHP scripts, potentially gaining persistent access to the affected server. The vulnerability affects the application's integrity and confidentiality as it allows unauthorized users to manipulate the database connection logic and potentially access sensitive data. The attack surface is particularly concerning because it requires minimal privileges to exploit and can be automated through various reconnaissance and exploitation tools. This vulnerability is classified under the ATT&CK technique T1190 - Exploit Public-Facing Application, which specifically addresses the exploitation of applications accessible from external networks.
Mitigation strategies for this vulnerability must address both the immediate exploitation vector and the underlying configuration issues. The most effective immediate solution is to disable the register_globals directive in the PHP configuration, as this removes the primary condition necessary for exploitation. Additionally, implementing proper input validation and sanitization mechanisms within the application code is essential to prevent malicious URLs from being processed. The application should employ whitelist-based validation for all file inclusion parameters, ensuring that only predefined, safe URLs or file paths are accepted. Organizations should also implement network-level protections such as web application firewalls and intrusion detection systems to monitor for suspicious requests containing malicious URL patterns. Regular security updates and patch management procedures are crucial to prevent similar vulnerabilities from persisting in the application ecosystem, as this vulnerability demonstrates the importance of proper input validation and secure coding practices in preventing remote code execution exploits.