JD-5: Technical Analysis of Credit Validation Security Patterns#91
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This document provides a comparative analysis of credit validation implementations in Java banking applications to inform the remediation of the COBOL credit limit validation flaw. Key findings: - Java implementations use actual current balance for validation - Validation occurs before transaction processing (pre-validation) - @transactional ensures atomic operations - BigDecimal used for financial precision Recommendations for COBOL fix: - Replace cycle-based calculation with actual balance retrieval - Move validation before balance modification - Implement atomic transaction processing - Add proper audit trails Ticket: JD-5 Co-Authored-By: Joao Esteves <joao.esteves@cognition.ai>
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JD-5: Technical Analysis of Credit Validation Security Patterns
Summary
This PR adds a technical analysis document that examines credit validation implementations in two Java banking repositories (COG-GTM/Springboot-BankApp and parkerduff/Banking-Project-Spring-Boot-JPA-REST-API-) to provide context and recommendations for fixing the COBOL credit limit validation vulnerability described in ticket JD-5.
The analysis documents how the Java implementations avoid the COBOL vulnerability by:
@Transactionalfor atomic operationsThe document provides specific recommendations for the COBOL fix, including corrected validation formulas and implementation patterns.
Review & Testing Checklist for Human
Notes
This is a documentation-only PR with no functional code changes. The analysis is based on examination of existing code in the two banking repositories.
Ticket: JD-5
Link to Devin run: https://app.devin.ai/sessions/454bea3b998c4d33b6bdcc8916d5cd21
Requested by: Joao Esteves (@joao-cognition)