CVE-2005-4609 in BugPort
Summary
by MITRE
index.php in BugPort 1.147 and earlier allows remote attackers to obtain sensitive information such as full path and system configuration via an invalid action parameter.
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Analysis
by VulDB Data Team • 07/16/2018
The vulnerability identified as CVE-2005-4609 affects BugPort version 1.147 and earlier, representing a sensitive information disclosure flaw in the index.php script. This vulnerability arises from inadequate input validation and error handling mechanisms within the application's parameter processing logic. When an attacker submits an invalid action parameter to the index.php file, the application fails to properly sanitize or validate the input, leading to the exposure of critical system information including the full server path and configuration details.
The technical exploitation of this vulnerability demonstrates a classic case of insufficient error handling and input validation, which falls under the CWE-20 category of "Improper Input Validation" and CWE-200 of "Information Exposure". The flaw occurs because the application does not properly validate the action parameter before processing it, allowing malicious input to trigger internal error messages or debug information that reveals system internals. This type of vulnerability is particularly dangerous as it provides attackers with detailed information about the server environment, including file paths, configuration settings, and potentially database connection details that could be leveraged for further exploitation.
The operational impact of this vulnerability extends beyond simple information disclosure, as the exposed path information can serve as a foundation for more sophisticated attacks. Attackers can use the disclosed full paths to understand the application's directory structure and potentially identify other files or directories that may contain sensitive data. The system configuration details revealed through this vulnerability could expose database credentials, API keys, or other critical configuration parameters that might not be properly secured. This information disclosure creates a significant risk for organizations as it reduces the attack surface and provides attackers with valuable intelligence for planning subsequent exploitation attempts.
The vulnerability aligns with several tactics described in the MITRE ATT&CK framework, particularly those related to initial access and reconnaissance activities. The exposure of system paths and configuration details fits within the ATT&CK technique T1083 for "File and Directory Discovery" and T1592 for "Get Access" through information gathering. Organizations should implement comprehensive input validation mechanisms and ensure that error messages do not reveal system internals. The recommended mitigations include implementing proper parameter validation, sanitizing all user inputs, and configuring the application to display generic error messages instead of detailed system information. Additionally, regular security audits and code reviews should be conducted to identify and remediate similar vulnerabilities in other application components. The vulnerability also highlights the importance of following secure coding practices and implementing proper error handling that does not expose sensitive system information to unauthorized users.