CVE-2007-0490 in view
Summary
by MITRE
index.php in Open-Realty 2.3.4 allows remote attackers to obtain sensitive information (the full path) via an invalid listingID parameter in a listingview action.
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Analysis
by VulDB Data Team • 10/07/2017
The vulnerability identified as CVE-2007-0490 affects Open-Realty version 2.3.4 and represents a path disclosure issue that exposes sensitive system information to remote attackers. This flaw exists within the index.php file when processing listingview actions with invalid listingID parameters, creating a security risk that can be exploited without authentication. The vulnerability stems from improper error handling mechanisms that reveal the full server path structure when malformed input is processed, providing attackers with valuable information about the application's deployment environment.
This security weakness falls under the category of information disclosure vulnerabilities and can be classified as CWE-209, which specifically addresses the exposure of internal implementation details through error messages. The flaw demonstrates poor input validation and error handling practices where the application fails to sanitize user-supplied parameters before processing them. When an attacker submits an invalid listingID parameter to the listingview action, the system generates an error message that inadvertently includes the complete file path where the application is installed on the server. This information disclosure can be leveraged by malicious actors to understand the underlying system architecture and potentially identify other vulnerabilities or attack vectors.
The operational impact of this vulnerability extends beyond simple information disclosure, as it provides attackers with critical system information that can facilitate more sophisticated attacks. The exposed full path can reveal directory structures, file locations, and potentially even server configurations that aid in planning targeted exploitation attempts. According to ATT&CK framework category T1083, this vulnerability enables adversaries to gather information about the target system's file system structure, which can be used for further reconnaissance activities. The path disclosure can also aid in bypassing security controls that rely on obfuscation or path-based access restrictions.
Mitigation strategies for this vulnerability should focus on implementing proper input validation and error handling mechanisms within the Open-Realty application. The most effective approach involves sanitizing all user-supplied parameters before processing them and ensuring that error messages do not contain sensitive system information. Organizations should implement generic error pages that do not reveal internal implementation details, and apply proper parameter validation to prevent the acceptance of malformed input. Additionally, the application should be updated to a patched version that addresses this specific path disclosure issue, as the vendor has likely released security updates to resolve this vulnerability. Security monitoring should also be enhanced to detect and alert on unusual parameter patterns that might indicate exploitation attempts targeting this specific flaw.