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- Changed pytest calls to use `venv/bin/python -m pytest` with explicit config - Added `--rootdir "$PWD"` and `--import-mode=importlib` for consistent imports - Fixed PYTHONPATH to use absolute paths with $PWD prefix - Added smart contract security scanning for Solidity files - Added Circom circuit security checks for ZK proof circuits - Added ZK proof implementation security validation - Added contracts/** to security scanning workflow
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Markdown
343 lines
10 KiB
Markdown
# Third-Party Security Audit Scope
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**Document Version:** 1.0
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**Date:** 2026-05-11
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**Status:** Ready for Audit Firm Review
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## Executive Summary
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The AITBC platform has completed an internal security audit identifying 20 security findings across Critical, High, and Medium severity levels. This document defines the scope for third-party security audit, including completed remediations and pending smart contract security sprint.
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**Total Findings:** 20 (3 Critical, 10 High, 7 Medium)
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**Completed Remediations:** 8 findings (3 Critical, 5 High)
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**Pending Remediations:** 12 findings (5 High, 7 Medium) - deferred to smart contract security sprint
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## Audit Objectives
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1. **Verify completed remediations** - Validate that 8 completed findings are properly resolved
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2. **Audit smart contract security sprint** - Review planned remediations for 8 deferred findings
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3. **Identify additional vulnerabilities** - Comprehensive security assessment beyond known findings
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4. **Provide security recommendations** - Best practices and architectural improvements
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## Audit Scope
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### Phase 1: Completed Remediations Verification
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#### Components to Audit
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**1. Circom Circuits (3 findings resolved)**
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- `apps/zk-circuits/receipt.circom`
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- `apps/zk-circuits/ml_training_verification.circom`
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- `apps/zk-circuits/ml_inference_verification.circom`
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- `apps/zk-circuits/modular_ml_components.circom`
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**Remediations to Verify:**
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- ECDSA verification bypass mitigation (moved to API layer)
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- Learning rate constraint fixes (proper comparison circuits)
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- Verification logic fixes (IsZero circuit implementation)
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- Learning rate validation re-implementation
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**Test Cases:**
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- Compile all modified circuits
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- Verify constraint correctness
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- Test with valid and invalid inputs
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- Verify circuit soundness
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**2. ZK Proof Implementation (5 findings resolved/mitigated)**
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- `apps/coordinator-api/src/app/services/zk_proofs.py`
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- `apps/coordinator-api/src/app/services/zk_memory_verification.py`
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- `apps/coordinator-api/src/app/routers/zk_applications.py`
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**Remediations to Verify:**
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- Mock ZK proof verification replaced with actual Groth16 verification
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- Mock proof generation disabled by default (enabled flag)
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- Demo endpoints disabled by default (DEMO_MODE_ENABLED flag)
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- Weak validation replaced with proper error handling
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- Security warnings added for placeholder implementations
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**Test Cases:**
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- Test Groth16 verification with valid proofs
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- Test disabled services return 503 errors
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- Test enabled flag behavior
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- Verify security warnings are logged
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- Test input validation
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**3. Smart Contract - AIToken.sol (1 finding resolved)**
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- `contracts/contracts/AIToken.sol`
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**Remediations to Verify:**
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- MAX_SUPPLY constant (1 billion tokens)
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- MINTING_COOLDOWN (1 day)
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- Constructor validation (initial supply ≤ MAX_SUPPLY)
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- Mint validation (totalSupply + amount ≤ MAX_SUPPLY)
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- Mint validation (cooldown period elapsed)
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**Test Cases:**
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- Test minting respects supply cap
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- Test minting cooldown enforcement
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- Test constructor rejects invalid initial supply
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- Test mint after cooldown succeeds
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- Test mint before cooldown fails
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### Phase 2: Smart Contract Security Sprint Audit
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#### Components to Audit
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**1. AgentStaking.sol (3 findings pending)**
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- `contracts/contracts/AgentStaking.sol`
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**Pending Remediations to Review:**
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- SC-H-01: Slashing mechanism implementation
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- SC-H-02: Oracle manipulation protection
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- SC-M-03: Rate limiting on staking operations
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**Audit Focus:**
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- Slashing logic correctness
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- Oracle authorization and signature verification
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- Rate limiting implementation
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- Economic incentive alignment
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- Governance mechanisms
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**Test Cases:**
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- Slashing condition tests
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- Oracle authorization tests
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- Rate limiting tests
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- Governance approval tests
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- Edge case scenarios
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**2. AIServiceAMM.sol (2 findings pending)**
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- `contracts/contracts/AIServiceAMM.sol`
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**Pending Remediations to Review:**
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- SC-H-03: Flash loan attack protection (TWAP)
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- SC-H-04: Front-running protection
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- SC-H-05: Emergency withdraw timelock
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**Audit Focus:**
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- TWAP implementation correctness
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- Flash loan detection mechanism
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- Front-running mitigation (commit-reveal)
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- Emergency withdraw timelock
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- Circuit breaker implementation
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- MEV resistance
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**Test Cases:**
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- Flash loan simulation
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- Price manipulation tests
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- Front-running simulation
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- Commit-reveal tests
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- Emergency withdraw delay tests
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- Circuit breaker tests
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**3. EscrowService.sol (2 findings pending)**
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- `contracts/contracts/EscrowService.sol`
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**Pending Remediations to Review:**
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- SC-M-01: Multi-oracle verification
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- SC-M-02: Minimum voting threshold
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**Audit Focus:**
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- Multi-oracle threshold implementation
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- Oracle reputation system
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- Dispute resolution mechanism
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- Voting threshold calculation
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- Arbiter staking mechanism
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- Sybil attack prevention
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**Test Cases:**
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- Multi-oracle threshold tests
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- Dispute resolution tests
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- Voting threshold tests
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- Arbiter staking tests
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- Sybil attack simulation
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### Phase 3: Comprehensive Security Assessment
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#### Additional Components to Review
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**1. Blockchain Node**
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- `apps/blockchain-node/src/aitbc_chain/`
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- State management
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- Consensus mechanism
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- Transaction processing
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- P2P network security
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**2. Coordinator API**
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- `apps/coordinator-api/src/app/`
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- Authentication and authorization
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- API endpoint security
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- Rate limiting
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- Input validation
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- Error handling
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**3. Wallet Daemon**
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- `apps/wallet/src/app/`
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- Private key management
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- Transaction signing
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- Secure storage
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- Key derivation
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**4. Additional Smart Contracts**
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- `contracts/contracts/` (all contracts not in scope above)
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- Gas optimization
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- Reentrancy protection
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- Access control
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- Upgradeability patterns
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## Audit Deliverables
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### 1. Audit Report
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- Executive summary
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- Detailed findings with severity classification
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- Code references for each finding
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- Remediation recommendations
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- Risk assessment
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### 2. Test Results
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- Test case documentation
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- Test execution results
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- Coverage metrics
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- Performance benchmarks
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### 3. Security Recommendations
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- Architecture improvements
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- Best practices
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- Additional security measures
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- Monitoring and alerting recommendations
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### 4. Re-audit Plan
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- Scope for re-audit after remediation
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- Verification checklist
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- Success criteria
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## Audit Methodology
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### 1. Static Analysis
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- Automated code scanning (Slither, MythX, etc.)
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- Manual code review
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- Pattern matching for common vulnerabilities
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### 2. Dynamic Analysis
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- Fuzzing
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- Penetration testing
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- Stress testing
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- Performance testing
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### 3. Formal Verification (if applicable)
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- Smart contract formal verification
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- Circuit correctness proofs
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- Security property verification
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### 4. Threat Modeling
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- Identify attack vectors
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- Assess impact of potential attacks
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- Validate mitigations
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## Audit Timeline
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**Estimated Duration:** 4-6 weeks
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- **Week 1:** Initial review, static analysis, threat modeling
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- **Week 2:** Dynamic analysis, penetration testing
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- **Week 3:** Smart contract deep dive, formal verification
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- **Week 4:** Report preparation, recommendations
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- **Week 5:** Review and revisions
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- **Week 6:** Final report delivery
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## Access Requirements
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### Code Access
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- Read access to all repositories
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- Access to git history
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- Access to CI/CD pipelines
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### Documentation Access
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- Architecture documentation
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- API documentation
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- Deployment documentation
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- Security documentation
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### Testing Environment
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- Access to testnet deployment
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- Test accounts with tokens
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- Access to monitoring tools
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## Communication
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**Primary Contact:** [To be designated]
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**Weekly Status Calls:** Yes
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**Ad-hoc Questions:** Yes
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**Progress Updates:** Weekly
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## Success Criteria
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1. **Coverage:** All components in scope audited
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2. **Findings:** All findings documented with severity
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3. **Recommendations:** Actionable remediation steps provided
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4. **Timeline:** Audit completed within estimated duration
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5. **Quality:** Audit report meets industry standards
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## Exclusions
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### Out of Scope
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- Infrastructure security (AWS/GCP configuration)
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- Network security (firewall rules, VPN)
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- Physical security
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- Social engineering
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- Third-party dependencies (unless critical)
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- Operational procedures
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### Limitations
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- Audit based on code at time of audit
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- No guarantee against future vulnerabilities
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- Limited to provided scope
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- No penetration testing of production environment
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## Appendix
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### A. Completed Remediations Summary
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| Finding ID | Component | Severity | Status | Remediation |
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|------------|-----------|----------|--------|-------------|
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| C-01 | receipt.circom | Critical | Mitigated | ECDSA verification moved to API |
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| C-02 | zk_proofs.py | Critical | Resolved | Actual Groth16 verification |
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| C-03 | AIToken.sol | Critical | Resolved | Supply cap + cooldown |
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| H-01 | ml_training_verification.circom | High | Resolved | Proper comparison circuits |
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| H-02 | ml_inference_verification.circom | High | Resolved | IsZero circuit |
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| H-03 | modular_ml_components.circom | High | Resolved | Re-implemented validation |
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| H-04 | zk_memory_verification.py | High | Mitigated | Disabled by default |
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| H-05 | zk_applications.py | High | Resolved | Demo endpoints disabled |
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### B. Pending Remediations Summary
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| Finding ID | Component | Severity | Sprint ID | Status |
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|------------|-----------|----------|-----------|--------|
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| SC-H-01 | AgentStaking.sol | High | SC-H-01 | Pending |
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| SC-H-02 | AgentStaking.sol | High | SC-H-02 | Pending |
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| SC-H-03 | AIServiceAMM.sol | High | SC-H-03 | Pending |
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| SC-H-04 | AIServiceAMM.sol | High | SC-H-04 | Pending |
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| SC-H-05 | AIServiceAMM.sol | High | SC-H-05 | Pending |
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| SC-M-01 | EscrowService.sol | Medium | SC-M-01 | Pending |
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| SC-M-02 | EscrowService.sol | Medium | SC-M-02 | Pending |
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| SC-M-03 | AgentStaking.sol | Medium | SC-M-03 | Pending |
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### C. Related Documents
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- `docs/security/audit-findings.md` - Detailed security findings
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- `docs/security/threat-model.md` - Threat model
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- `docs/security/economic-analysis.md` - Economic security analysis
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- `docs/security/remediation-plan.md` - Remediation plan
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- `.windsurf/plans/smart-contract-security-sprint.md` - Smart contract sprint plan
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- `.windsurf/plans/security-audit-plan.md` - Security audit workflow
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### D. Contact Information
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**Project Team:**
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- [To be designated] - Project Lead
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- [To be designated] - Smart Contract Developer
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- [To be designated] - Security Engineer
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**Audit Firm:**
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- [To be designated] - Lead Auditor
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- [To be designated] - Audit Team
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