Upgraded Q -> 2 from #49 [1683711003164]

Judge has assessed an item in Issue 49 as 2 risk. The relevant finding follows: QA9. hexStringToBytes32 fails to check that range idx, lastIdx is within 32 bytes range and thus the returned r will fit into bytes32. Mitigation: Introduce the check: function hexStringToBytes32 bytes memory str,...

Arithmetic Overflow in hexStringToBytes32 Function

Lines of code Vulnerability details Impact The vulnerability in the hexStringToBytes32 function can lead to an arithmetic overflow if the length of the hex-encoded string is odd, the loop that reads the hex-encoded string has a condition that checks for the last index, but the index is incremente...