Arbitrary from in transferFrom

Lines of code Vulnerability details Impact function aaddress from, address to, uint256 amount public erc20.transferFromfrom, to, am; Alice approves this contract to spend her ERC20 tokens. Bob can call a and specify Alice's address as the from parameter in transferFrom, allowing him to transfer...

arbitrary send erc20 safeTransferFrom

Lines of code Vulnerability details Impact uses arbitrary from in safeTransferFrom when msg.sender is not used as from in safeTransferFrom. Proof of Concept Alice approves this contract to spend her ERC20 tokens. Bob can call a and specify Alice's address as the from parameter in safeTransferFrom...

transferfrom with arbitrary from address allows attackers to receive tokens in L2 without paying

Lines of code Vulnerability details Impact In , the line token.transferFromfrom, escrow, amount; use an arbitrary from address. So an attacker can deposit victim's GTR token on L1, by using from address as victim's address, and receive equivalent tokens on L2 on attacker address. Proof of Concept...