Summary

The _redeem_collateral function allows users to redeem their collateral by transferring tokens from the protocol's contract to the user's specified address.

There is using transferfunction.

Vulnerability Details

In the code is using transferfunction.

This function has a few potential vulnerability,

The gas fee limit for a standard ETH transfer is 21,000 units of gas. This is the typical amount required to execute a simple ETH transfer1. However, more complex transactions, such as those involving smart contracts, can require significantly more gas.

Impact

The functionality of _redeem_collateralcan be broken. And colaterall can not be reedeem.

Tools Used

manual review

Recommendations

Please use call inseted of transfer.