60,000 USDC
Submission Details
Severity:
unsafe casting
Summary: Downcasting int/uints in Solidity can be unsafe due to loss of data
Vulnerability Details: in line 452 of apps/blockchain/ethereum/src/sn/Cairo.sol downcasting int/uints can lead to loss of value
Impact:medium
Tools Used:we can use openzeppelin safeCast library or use of assembly to typecast
Recommendations:Use OpenZeppelin's SafeCast library to safely downcast integers.
link to code :Link
@replace this code
-byteString[i] = bytes1(uint8(asciiValue));
@by this code
+byteString[i] = SafeCast.toUint8(asciiValue);
Prize pool breakdown
Total prize
60,000 USDC
nSLOC
2,30126 USDC / LOC
50,000 USDC
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4,500 USDC
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