CVE-2006-0704 in Integrator
Summary
by MITRE
iE Integrator 4.4.220114, when configured without a "bespoke error page" in acm.ini, allows remote attackers to obtain sensitive information via a URL that calls a non-existent .aspx script in the integrator/apps directory, which results in an error message that displays the installation path, web server name, IP, and port, session cookie information, and the IIS system username.
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Analysis
by VulDB Data Team • 07/19/2018
This vulnerability exists in iE Integrator version 4.4.220114 and represents a classic information disclosure flaw that can be exploited by remote attackers to gather sensitive system information. The vulnerability specifically manifests when the application is configured without a custom error page in the acm.ini configuration file, creating a dangerous default behavior that exposes critical system details through error responses. The flaw occurs when a malicious actor accesses a URL that references a non-existent .aspx script within the integrator/apps directory, triggering an unhandled exception that generates a detailed error message.
The technical implementation of this vulnerability stems from inadequate error handling within the application's web framework. When a request is made to a non-existent script, the system fails to properly intercept and handle the exception, instead allowing the underlying error information to be displayed to the remote user. This error page disclosure reveals multiple categories of sensitive information including the full installation path of the application, the web server name and IP address, port numbers, session cookie details, and most critically the IIS system username under which the application operates. The presence of the IIS system username is particularly concerning as it can provide attackers with valuable information for further exploitation attempts.
The operational impact of this vulnerability extends beyond simple information disclosure, as it creates a foundation for more sophisticated attacks. The leaked installation path can be used for path traversal attacks or to understand the application's directory structure, while the web server details and port information can aid in fingerprinting and reconnaissance activities. The session cookie information exposes potential attack vectors for session hijacking, and the IIS system username provides attackers with system-level information that could be leveraged in privilege escalation attempts or targeted attacks against the underlying operating system. This vulnerability directly aligns with CWE-209, which addresses the disclosure of error information that can aid in exploitation.
From a threat modeling perspective, this vulnerability follows ATT&CK framework techniques such as T1082 for system information discovery and T1046 for network service scanning, as attackers can systematically gather information about the target environment. The vulnerability's remote nature means that exploitation requires no local access or authentication, making it particularly dangerous as it can be exploited by anyone with network access to the affected system. Security professionals should note that this represents a common configuration error where default application behavior is not properly secured, highlighting the importance of proper error handling and custom error page implementation in web applications.
The recommended mitigations for this vulnerability include implementing proper error handling procedures within the iE Integrator application, configuring custom error pages in the acm.ini file to prevent sensitive information disclosure, and ensuring that all web applications have appropriate error handling mechanisms in place. Organizations should also conduct regular security assessments to identify similar configuration issues across their web applications and implement comprehensive logging of error conditions to detect potential exploitation attempts. Additionally, the application should be updated to a version that properly handles error conditions without exposing system information, and network segmentation should be implemented to limit access to potentially vulnerable systems. The vulnerability serves as a reminder of the critical importance of secure configuration management and proper error handling in web application security practices.