Submission Details
Severity:
Use of Deprecated safeApprove in OpenZeppelin Contracts
Summary
The safeApprove function within the OpenZeppelin Contracts library has been deprecated and should no longer be used.
Vulnerability Details
L2TokenReceiver contract makes use of SafeApprove function which is deprecated in several circumstances.
https://github.com/Cyfrin/2024-01-Morpheus/blob/07c900d22073911afa23b7fa69a4249ab5b713c8/contracts/L2TokenReceiver.sol#L139
Tools Used
Manual Review
Recommendations
Use approve instead of safeApprove
Updates
Prize pool breakdown
Total prize
22,500 USDC
nSLOC
1,05421 USDC / LOC
20,000 USDC
2,500 USDC
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