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Security: eLyiN/gemini-bridge

Security

SECURITY.md

Security Policy

Supported Versions

We provide security updates for the following versions of Gemini Bridge:

Version Supported
1.0.x

Reporting a Vulnerability

We take security vulnerabilities seriously. If you discover a security vulnerability, please report it responsibly.

How to Report

Please DO NOT report security vulnerabilities through public GitHub issues.

Instead, please report them by:

  1. Email: Send details to the maintainer via GitHub (preferred)
  2. GitHub Security: Use GitHub's private vulnerability reporting feature
  3. Direct Contact: Create a private issue if the above options aren't available

What to Include

When reporting a vulnerability, please provide:

  • Description: Clear description of the vulnerability
  • Impact: What could an attacker accomplish?
  • Reproduction: Step-by-step instructions to reproduce the issue
  • Environment: Python version, OS, Gemini CLI version
  • Suggested Fix: If you have ideas for a solution

Example Report Template

**Vulnerability Type**: [e.g., Code Injection, Information Disclosure]
**Severity**: [Low/Medium/High/Critical]
**Affected Component**: [e.g., consult_gemini function, file handling]

**Description**:
[Detailed description of the vulnerability]

**Steps to Reproduce**:
1. [Step one]
2. [Step two]
3. [Step three]

**Impact**:
[What could happen if this is exploited]

**Environment**:
- OS: [e.g., macOS 14.0]
- Python: [e.g., 3.11.5]
- Gemini CLI: [e.g., 1.2.3]
- Gemini Bridge: [e.g., 1.0.0]

Response Timeline

We aim to respond to security reports according to this timeline:

  • Acknowledgment: Within 48 hours of report
  • Initial Assessment: Within 1 week
  • Status Update: Weekly updates on progress
  • Resolution: Depends on severity and complexity

Severity Levels

  • Critical: Immediate threat, affects all users
  • High: Significant threat, affects many users
  • Medium: Moderate threat, limited impact
  • Low: Minor threat, minimal impact

Security Best Practices

For Users

When using Gemini Bridge:

  1. Keep Updated: Always use the latest version
  2. Secure Authentication: Protect your Gemini CLI authentication
  3. File Permissions: Be careful with file paths and permissions
  4. Network Security: Use secure networks when possible
  5. Input Validation: Be cautious with untrusted input in queries

For Developers

When contributing to Gemini Bridge:

  1. Input Sanitization: Always validate and sanitize user input
  2. Path Traversal: Prevent directory traversal attacks
  3. Command Injection: Avoid shell injection vulnerabilities
  4. Error Information: Don't leak sensitive info in error messages
  5. Dependencies: Keep dependencies updated and secure

Known Security Considerations

Current Architecture

  • CLI Dependency: Security depends on Gemini CLI installation
  • File Access: MCP tools can access files in specified directories
  • Subprocess Calls: Uses subprocess to call Gemini CLI
  • Network Requests: Gemini CLI makes network requests to Google

Mitigation Strategies

  • Timeout Protection: 60-second timeout prevents long-running attacks
  • Error Handling: Graceful error handling without information leakage
  • No Persistent State: Stateless operation reduces attack surface
  • Simple Architecture: Minimal code reduces potential vulnerabilities

Security Updates

How We Handle Security Issues

  1. Assessment: Evaluate the severity and impact
  2. Fix Development: Develop and test a security fix
  3. Coordinated Disclosure: Work with reporter on disclosure timeline
  4. Release: Deploy security update as patch release
  5. Notification: Notify users through appropriate channels

Update Notifications

Security updates are announced through:

  • GitHub Releases: All releases include security notes
  • GitHub Security Advisories: For significant vulnerabilities
  • README Updates: Security-related changes noted
  • CHANGELOG: Detailed security fix information

Disclosure Policy

Responsible Disclosure

We follow responsible disclosure practices:

  • Private Reporting: Initial reports should be private
  • Coordinated Timeline: Work together on disclosure timing
  • Credit: Security researchers receive appropriate credit
  • Public Disclosure: After fix is available and deployed

Timeline Example

  1. Day 0: Vulnerability reported privately
  2. Day 1-2: Acknowledgment and initial assessment
  3. Day 3-14: Fix development and testing
  4. Day 14-21: Security update release
  5. Day 21+: Public disclosure (if appropriate)

Security-Related Dependencies

Direct Dependencies

  • mcp: Model Context Protocol library
    • Keep updated to latest stable version
    • Monitor for security advisories

External Dependencies

  • Gemini CLI: Google's official CLI tool
    • Security managed by Google
    • Users should keep updated
    • Authentication handled by Google

System Dependencies

  • Python: Use supported Python versions (3.9+)
  • Operating System: Keep OS updated for subprocess security
  • Network: Secure network configuration recommended

Security Questions

For general security questions (non-vulnerabilities):

  • Check existing documentation first
  • Use GitHub Discussions for community input
  • Create GitHub issues for documentation improvements
  • Email maintainers for sensitive questions

Acknowledgments

We thank the security research community for helping keep Gemini Bridge secure:

  • [Future security researchers will be listed here]

Resources

Security Tools and Resources


Remember: When in doubt about security, it's better to report a false positive than to ignore a potential vulnerability.

There aren’t any published security advisories