README.md

returndatabomb-study

Repo dedicated to study and analyze the returndatabomb attack

Principle

Even if no data is retrieved while performing a low level call, RETURNDATACOPY is executed in the callers context wasting gas.

References

• ethereum/solidity#12306
• ethereum/solidity#12647
• https://github.com/nomad-xyz/ExcessivelySafeCall
• https://ronan.eth.link/blog/ethereum-gas-dangers/