Submission Details
Severity:
forced to swap loan tokens with no slippage protection
Vulnerability Details
require(_profits != WETH, "not allowed");
uint256 amount = IERC20(_profits).balanceOf(address(this));
ISwapRouter.ExactInputSingleParams memory params = ISwapRouter
.ExactInputSingleParams({
tokenIn: _profits,
tokenOut: WETH,
fee: 3000,
recipient: address(this),
deadline: block.timestamp,
amountIn: amount,
amountOutMinimum: 0, // @audit
sqrtPriceLimitX96: 0
});
As shown, all loan tokens are swapped and always use 0 for min out meaning that deposits will be sandwiched and stolen.
Impact
All loan tokens can be sandwiched and stolen
Tools Used
Manual Review
Recommendations
specify slippage parameters for loan tokens
Prize pool breakdown
Total prize
20,000 USDC
nSLOC
70628
USDC / LOC
18,000 USDC
2,000 USDC
Live
The contest is live. Earn rewards by submitting a finding.
Appeals
This is your time to appeal against judgements on your submissions.
Appeals Review
Appeals are being carefully reviewed by our judges.