CVE-2000-0136 in Cart32
Summary
by MITRE
The Cart32 shopping cart application allows remote users to modify sensitive purchase information via hidden form fields.
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Analysis
by VulDB Data Team • 08/19/2024
The vulnerability identified as CVE-2000-0136 represents a critical security flaw in the Cart32 shopping cart application that exposes sensitive purchase data to unauthorized modification by remote attackers. This issue stems from the application's improper handling of form fields, specifically allowing malicious actors to manipulate hidden input elements that typically contain confidential transaction details. The vulnerability operates at the application layer and demonstrates a fundamental lack of input validation and data integrity controls within the e-commerce platform's user interface components. Attackers can exploit this weakness by crafting specially designed requests that modify the values of hidden form fields, potentially altering purchase amounts, customer details, or other critical transactional information without proper authorization.
This vulnerability falls under the CWE-473 category of "PHP Remote File Inclusion" and more specifically relates to CWE-20 "Improper Input Validation" within the Common Weakness Enumeration framework. The technical implementation flaw occurs when the application fails to validate or sanitize the values submitted through hidden form fields, treating them as trustable user inputs rather than potential attack vectors. The attack surface is particularly concerning because hidden form fields are often used to store session identifiers, product prices, or other sensitive data that should remain immutable during the checkout process. When these fields are not properly secured or validated, they become accessible modification points that can be exploited through simple HTTP request manipulation or client-side script injection techniques.
The operational impact of this vulnerability extends beyond simple data tampering, as it can enable financial fraud, revenue loss, and compromise of customer trust in the affected e-commerce platform. An attacker could potentially increase purchase amounts, modify customer information, or even redirect transactions to different accounts, all without requiring elevated privileges or sophisticated attack tools. The vulnerability affects the confidentiality, integrity, and availability of the shopping cart system's data processing functions, creating potential for significant financial losses and reputational damage. This issue particularly impacts small to medium-sized businesses that rely on third-party shopping cart solutions and may lack comprehensive security testing procedures for their web applications.
Mitigation strategies for CVE-2000-0136 should focus on implementing robust input validation mechanisms and server-side data integrity checks for all form field submissions. Organizations should employ proper parameter validation, utilize secure session management techniques, and implement server-side verification of all transactional data before processing. The recommended approach includes implementing cryptographic signatures for sensitive data fields, employing proper access controls for form elements, and conducting regular security assessments of web applications. Additionally, organizations should consider implementing the ATT&CK framework's mitigation techniques for input validation and data integrity, specifically focusing on preventing unauthorized modifications to application state through client-side controls. The vulnerability underscores the importance of following secure coding practices and emphasizes the need for comprehensive security testing of web applications, particularly those handling sensitive financial information.