Submission Details
Severity:
`MondrianWallet._validateSignature` (PackedUserOperation,bytes32) (src/MondrianWallet.sol#113-121) ignores return value by ECDSA.recover(hash,userOp.signature)
Summary
MondrianWallet._validateSignature (PackedUserOperation,bytes32) (src/MondrianWallet.sol#113-121) ignores return value by ECDSA.recover(hash,userOp.signature) (src/MondrianWallet.sol#119)
Vulnerability Details
The return value of an external call is not stored in a local or state variable.
Impact
A missing check could allow invalid signatures.
Tools Used
Slither
Recommendations
Ensure that all the return values of the function calls are used.
Rewards breakdown
nSLOC
89This contest has a flat reward structure with the following payouts:
100 EXP
20 EXP
2 EXP
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