kadenzipfel/smart-contract-vulnerabilities

Features

• Secure Decentralized Application Design - Implements safe logic for external calls, data storage, and access control to protect assets within decentralized systems.
• Invariant Verifications - Checks internal state consistency using formal invariant verification to prevent critical logic errors.
• Smart Contract Security - Provides a comprehensive technical reference and catalog for identifying and mitigating smart contract security vulnerabilities.
• Invariant-Based State Validations - Maintains system consistency by enforcing critical state invariants throughout transaction execution.
• Execution Flow Control - Manages execution sequences and safety guards to prevent reentrancy and race conditions.
• Function - Enforces permission checks on sensitive contract functions to prevent unauthorized state manipulation.
• Authorization Logic - Provides logic for verifying permissions and access control within smart contract functions.
• Ethereum Virtual Machine Hardening - Optimizes contract code to prevent gas exhaustion, reentrancy, and arithmetic errors during execution.
• Reentrancy Guards - Implements state updates and execution guards to prevent recursive reentrancy attacks.
• Solidity Vulnerability Detectors - Catalogs Solidity-specific security flaws and logic errors with corresponding mitigation strategies.
• Arithmetic Error Mitigations - Protects against financial loss by mitigating arithmetic errors and boundary condition failures.
• Control-Flow Graph Constructions - Constructs control-flow graphs from bytecode to identify reentrancy and race conditions.
• State Variable Shadowing Detectors - Provides automated detection of state variable shadowing in inherited contracts to prevent logic errors.
• Withdrawal-Based Payment Patterns - Prevents transaction blocking by decoupling fund transfers from core logic using pull-based withdrawal patterns.
• Data Storage - Manages variable storage locations to ensure correct initialization and prevent unauthorized memory access.
• Timestamp Validators - Prevents the use of block timestamps for critical logic to mitigate miner manipulation risks.
• Contract Existence Checks - Implements defensive checks to ensure target addresses contain executable code before performing low-level calls.
• Version Locking - Locks compiler versions to ensure consistent and secure deployment environments.
• Loop Refactoring Patterns - Refactors push-based payment loops into pull-based systems to prevent transaction failures caused by block gas limits.
• Relay Gas Requirements - Mitigates gas griefing by enforcing minimum gas requirements for sub-calls in relay contracts.
• Ethereum - Provides a technical guide documenting secure coding patterns and best practices for Ethereum smart contract development.
• Fair Transaction Orderers - Mitigates frontrunning risks through commit-reveal schemes and private mempool routing.
• Unbounded Return Data Limits - Prevents gas exhaustion attacks by restricting the amount of data copied from external contract calls.
• Visibility Specifiers - Manages function and variable visibility to restrict unauthorized external access.
• Balance-Dependent Logic Protections - Implements defensive patterns to prevent transaction failures caused by external manipulation of contract balances.
• Block Stuffing Resilience Patterns - Designs time-sensitive contract logic to remain resilient against attackers attempting to block transactions via gas exhaustion.
• Cryptographic Primitive Validation - Validates cryptographic primitives like hashing and signature recovery to prevent protocol bypasses.
• Cryptographic Random Number Generators - Integrates verifiable oracle services to generate unpredictable random numbers for secure contract outcomes.
• Cryptographic Signature Verification - Validates elliptic curve signatures to ensure recovered addresses are valid and authorized.
• One-Time Signature Validators - Validates transaction uniqueness using nonces to prevent the reuse of valid signatures.
• Hash Collision Prevention Patterns - Prevents authorization bypasses by enforcing secure hashing patterns instead of packed concatenation.
• Caller Identity Verifications - Implements checks on the immediate caller address to secure contract interactions.
• Static Analysis Signatures - Uses signature-based pattern matching to identify known vulnerabilities in source code.
• Trusted Target Whitelisting - Validates delegatecall targets against a trusted list to prevent unauthorized storage modifications.
• Compiler Constraint Enforcements - Ensures code is compiled with secure, tested compiler versions.
• Deprecated Function Detectors - Identifies deprecated functions and patterns to prevent compilation errors and security risks.
• Development Best Practices - Provides industry-standard patterns for compiler configuration and inheritance to ensure robust architecture.
• Integer Division Precisions - Ensures calculation accuracy by scaling values before performing integer division.
• External Call Return Validations - Enforces verification of external call return values to detect and handle execution failures.
• Code Quality Tools - Enforces coding standards and best practices to ensure high-quality, secure contract code.
• Flexible Gas Transfer Patterns - Replaces fixed-gas transfer methods with flexible patterns to ensure successful transactions with gas-intensive recipients.
• Gas-Aware Execution Models - Identifies potential gas exhaustion and denial-of-service risks in contract logic.

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