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Release Notes

This page documents the release history of ZeroTrustKerberosLink, highlighting new features, security enhancements, and bug fixes.

Version 1.2.0 (May 1, 2025)

Security Enhancements

Comprehensive Input Validation

Added comprehensive validation for all user inputs with protection against:

  • Cross-Site Scripting (XSS)
  • SQL and NoSQL injection attacks
  • Path traversal vulnerabilities
  • Content type validation for requests with bodies

Enhanced Security Headers

Implemented robust security headers including:

  • Content Security Policy (CSP)
  • X-XSS-Protection
  • X-Content-Type-Options
  • X-Frame-Options
  • Strict-Transport-Security (HSTS)
  • Permissions-Policy

Secure Redis Communication

Enhanced Redis communication security with:

  • TLS support for all Redis connections
  • Secure credential handling
  • Connection pooling with timeouts
  • Improved error handling and logging

New Features

  • Custom Policy Framework: Added support for fine-grained access control with custom policies
  • Enhanced Audit Logging: Improved audit logging capabilities with structured log format and additional event types
  • Monitoring Enhancements: Added new metrics and health check endpoints for better observability
  • High Availability Guide: Added comprehensive documentation for deploying in high availability configurations

Bug Fixes

  • Fixed an issue where authentication could fail when using certain Kerberos encryption types
  • Resolved a race condition in the session management system
  • Fixed an issue with role mapping when using wildcards in principal names
  • Corrected error handling for AWS API throttling events

Version 1.1.0 (April 1, 2025)

Security Enhancements

  • Rate Limiting: Implemented rate limiting for all API endpoints to prevent abuse
  • Session Management: Improved session handling with secure cookie configuration
  • Error Handling: Enhanced error handling to prevent information disclosure
  • Dependency Updates: Updated all dependencies to address security vulnerabilities

New Features

  • AWS STS Regional Endpoints: Added support for AWS STS regional endpoints
  • Role Chaining: Implemented support for AWS IAM role chaining
  • Conditional Access: Added support for time-based and IP-based access controls
  • CLI Improvements: Enhanced command-line interface with new commands and improved output formats

Bug Fixes

  • Fixed an issue with Kerberos ticket renewal
  • Resolved a memory leak in the authentication handler
  • Fixed incorrect handling of expired AWS credentials
  • Corrected logging format for audit events

Version 1.0.0 (March 1, 2025)

Initial Release

Core Security Features

Initial release with core security features:

  • Kerberos authentication integration
  • AWS IAM role assumption
  • Zero Trust security model implementation
  • Basic audit logging
  • TLS encryption for all communications

Features

  • Kerberos Integration: Seamless integration with existing Kerberos infrastructure
  • AWS IAM Role Mapping: Flexible mapping between Kerberos principals and AWS IAM roles
  • Temporary Credential Management: Secure handling of temporary AWS credentials
  • REST API: RESTful API for integration with existing systems
  • Command-Line Interface: Comprehensive CLI for administration and automation
  • Python SDK: Python SDK for application integration

Upcoming Features

We're actively working on the following features for future releases:

Security Enhancements

  • Multi-factor Authentication: Integration with MFA providers for enhanced security
  • Advanced Threat Protection: Real-time detection and prevention of suspicious activities
  • Certificate Pinning: Implementation of certificate pinning for enhanced TLS security
  • Hardware Security Module (HSM) Support: Integration with HSMs for secure key storage

Feature Enhancements

  • Kubernetes Integration: Native integration with Kubernetes for container-based deployments
  • Federation Support: Support for federated identity providers
  • Advanced Monitoring: Enhanced monitoring capabilities with anomaly detection
  • Self-service Portal: Web-based self-service portal for user management

Security Vulnerability Reporting

If you discover a security vulnerability in ZeroTrustKerberosLink, please report it by sending an email to security@zerotrustkerberoslink.com. Please do not disclose security vulnerabilities publicly until they have been handled by our security team.

We follow responsible disclosure practices and will work with you to address and resolve the vulnerability in a timely manner.