CVE-2002-0409 in .NET Framework
Summary
by MITRE
orderdetails.aspx, as made available to Microsoft .NET developers as example code and demonstrated on www.ibuyspystore.com, allows remote attackers to view the orders of other users by modifying the OrderID parameter.
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Analysis
by VulDB Data Team • 04/05/2017
The vulnerability described in CVE-2002-0409 represents a critical access control flaw that existed in Microsoft .NET demonstration code and was publicly displayed on the ibuyspystore.com website. This issue stems from inadequate input validation and user authentication checks within the orderdetails.aspx page, which serves as an example implementation for .NET developers. The vulnerability specifically affects the way the application processes the OrderID parameter, creating a path for unauthorized data access through parameter manipulation.
The technical flaw manifests as a lack of proper authorization checks when processing user requests for order details. When attackers modify the OrderID parameter in the URL or request parameters, the application fails to verify whether the requesting user has legitimate access rights to view that particular order. This weakness directly violates the principle of least privilege and demonstrates poor input sanitization practices. The vulnerability falls under CWE-285, which addresses improper authorization issues, and aligns with ATT&CK technique T1078 for valid accounts and T1566 for credential access through exploitation of application vulnerabilities.
The operational impact of this vulnerability is significant as it enables attackers to access sensitive customer order information without proper authentication. This unauthorized access to order details could expose personal information, payment data, and business transaction records of multiple users. The demonstration nature of the code on ibuyspystore.com made this vulnerability widely known and easily exploitable, potentially affecting any implementation that copied the flawed example code. The vulnerability essentially allows for cross-user data leakage, where one authenticated user can retrieve another user's order information simply by manipulating the OrderID parameter.
Organizations implementing similar functionality should immediately address this vulnerability through proper authorization checks and input validation. The recommended mitigations include implementing robust user session validation, ensuring that each order request verifies the requesting user's authorization to access the specific order, and implementing proper parameter sanitization. Additionally, developers should follow secure coding practices that include input validation, proper access control mechanisms, and regular security code reviews. The vulnerability highlights the importance of not using demonstration code as-is in production environments and emphasizes the need for thorough security testing before deployment. Organizations should also implement monitoring and logging mechanisms to detect unauthorized access attempts and establish proper incident response procedures to address potential data breaches resulting from such vulnerabilities.