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kadenzipfel
/
smart-contract-vulnerabilities
A collection of smart contract vulnerabilities along with prevention methods
https://kadenzipfel.github.io/smart-contract-vulnerabilities/
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blockchain
ethereum
security
solidity
readme
Smart Contract Vulnerabilities
Insufficient Gas Griefing
Reentrancy
Integer Overflow and Underflow
Timestamp Dependence
Authorization Through tx.origin
Floating Pragma
Outdated Compiler Version
Unsafe Low-Level Call
Unchecked Return Value
Unsupported Opcodes
Uninitialized Storage Pointer
Assert Violation
Use of Deprecated Functions
Delegatecall to Untrusted Callee
Signature Malleability
Incorrect Constructor Name
Shadowing State Variables
Weak Sources of Randomness from Chain Attributes
Missing Protection against Signature Replay Attacks
Requirement Validation
Write to Arbitrary Storage Location
Hash Collision when using abi.encodePacked() with Multiple Variable-Length Arguments
Incorrect Inheritance Order
Presence of Unused Variables
Unencrypted Private Data On-Chain
Inadherence to Standards
Asserting Contract from Code Size
Transaction-Ordering Dependence
DoS with Block Gas Limit
DoS with (Unexpected) revert
Unexpected
ecrecover
null address
Default Visibility
Insufficient Access Control
Off-By-One
Lack of Precision
Unbounded Return Data
Using
msg.value
in a Loop
Deleting a Mapping Within a Struct