CVE-2006-1332 in Noahs Classifieds
Summary
by MITRE
Noah s Classifieds 1.3 and earlier allows remote attackers to obtain sensitive information via an invalid list parameter in the showdetails method to index.php, which reveals the path in an error message.
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Analysis
by VulDB Data Team • 09/05/2017
The vulnerability identified as CVE-2006-1332 affects Noah s Classifieds version 1.3 and earlier, representing a classic information disclosure flaw that exposes system paths through improper error handling mechanisms. This vulnerability resides within the application's index.php file where the showdetails method processes user input without adequate validation, creating an avenue for remote attackers to exploit the system's error reporting capabilities. The flaw specifically manifests when an invalid list parameter is submitted to the showdetails method, triggering an error message that inadvertently reveals the server's file system path structure. This type of vulnerability falls under the category of CWE-209, which describes "Information Exposure Through an Error Message" and represents a fundamental security weakness in application error handling design.
The technical exploitation of this vulnerability demonstrates a lack of proper input sanitization and error management within the application's core functionality. When the showdetails method receives an invalid list parameter, the system fails to implement proper validation checks before attempting to process the request, leading to an unhandled exception that generates a detailed error message containing the absolute file path. This path disclosure occurs because the application's error handling routine does not sanitize output before presenting it to the user, exposing the underlying file system structure to potential attackers who can then leverage this information for further exploitation attempts. The vulnerability operates at the application layer and requires no authentication or privileged access to exploit, making it particularly dangerous as it can be readily accessed by any remote user with knowledge of the target application's URL structure.
The operational impact of this vulnerability extends beyond simple information disclosure, as the revealed file paths can serve as critical intelligence for attackers planning more sophisticated attacks against the system. The exposed paths may contain sensitive information about the server configuration, directory structure, and potentially even the operating system version or installed software components. Attackers can use this information to craft more targeted attacks, such as directory traversal exploits, or to identify other potential vulnerabilities within the application's architecture. This vulnerability directly aligns with ATT&CK technique T1083, which describes "File and Directory Discovery" as an initial reconnaissance activity that attackers often perform to understand system layouts and identify potential attack vectors. The disclosure of system paths in error messages represents a clear violation of security best practices and demonstrates poor application security design principles.
Mitigation strategies for this vulnerability require immediate implementation of proper input validation and error handling mechanisms within the application. The most effective remediation involves modifying the showdetails method in index.php to validate all incoming parameters before processing, ensuring that invalid inputs are handled gracefully without exposing system information. Implementing comprehensive error handling that sanitizes all output and prevents path information from appearing in user-facing error messages represents the primary defense against this attack vector. Organizations should also implement proper logging mechanisms to monitor for unusual parameter patterns that may indicate attempted exploitation, while applying the principle of least privilege to limit the information disclosed in error messages. Additionally, regular security assessments and code reviews should be conducted to identify similar vulnerabilities in other application components, as this type of error handling flaw is commonly found in legacy applications and represents a persistent security risk that requires systematic remediation across the entire application codebase.