Vulnerability: Donation Attacks can Cause Loss of Liquidity and/or Undesired Prices Rebalance / Contract: GeVault / Function: withdraw

Lines of code Vulnerability details Impact Donation attack can cause loss of users liquidity or undesired tick rebalance by price manipulation. Proof of Concept An attacker can cause constant rebalancing, instability, and along with the vulnerability of slot0 in the getTokenAmountsExcludingFees...

re-balance-studio.nl Cross Site Scripting vulnerability OBB-3567665

Following the coordinated and responsible vulnerability disclosure guidelines of the ISO 29147 standard, Open Bug Bounty has: a. verified the vulnerability and confirmed its existence; b. notified the website operator about its existence. Technical details of the vulnerability are currently hidde...

_claimRewardsOnBehalf() User's rewards may be lost

Lines of code Vulnerability details Impact Incorrect determination of maximum rewards, which may lead to loss of user rewards Proof of Concept claimRewardsOnBehalf For users to retrieve rewards function claimRewardsOnBehalf address onBehalfOf, address receiver, bool forceUpdate internal if...

Liquidator can seize more tokens than the borrower has as collateral, leading to an arithmetic underflow and locking collateral.

Lines of code Vulnerability details Impact Lack of validation on seizeTokens could allow collateral locking by underflow. Proof of Concept The liquidateBorrowFresh function does not explicitly validate that seizeTokens is less than or equal to accountTokensborrower before transferring tokens from...

Users' registration amounts and contract balance state will be incremented incorrectly if the NFTBoostVault::_lockTokens() silently fails

Lines of code Vulnerability details Users can add and lock tokens to the NFTBoostVault contract to increase their voting power using addTokens function. This function will increment the contract's balance state and the user's registration.amount. Then, it will sync the voting power according to t...

voting power is insufficiently tracked

Lines of code Vulnerability details Impact Historical balance tracking of votingPower is not stored due to values being updated in memory rather than storage. This means old delegatees may retain voting power which should have been removed from them, new delegatees may not not receive their...

balance of the recipient to is updated after the token transfer (safeTransferFrom function) could lead to reentrancy attack

Lines of code Vulnerability details Impact The balance of the recipient to is updated after the token transfer safeTransferFrom function. If the safeTransferFrom function triggers an external contract, and that contract, in turn, calls back to this contract, it can result in a reentrancy attack...

Sponsor function allows voiding some elses chance to win

Lines of code Vulnerability details Impact Anyone can delegate someone elses balance to the sponsorship address, increasing their own likelihood of winning, while voiding the victims chance. Proof of Concept The issue is in the call-chain starting with Vault.sponsor: //Vault function sponsoruint2...

Adding balance to accumulator does not depend on the current drawId, while documentation says it does

Lines of code Vulnerability details Impact In documentation protocol states that : To compute the allocated contribution for a draw d we'd compute the integral of curve cd=−t∗lnα∗α^d from lastdraw dold to dnew, and which is equal to −t∗ α^dold + t∗ α^dnew. Which clearly shows that contribution on...

Well.sol::swapFrom() Missing Fee-on-Transfer Token Check

Lines of code Vulnerability details Description The swapFrom in the Well.sol contract does not include a check for fee-on-transfer tokens, as specified in the Nespac. The comment states that the check for fee-on-transfer tokens is performed in the setReserves, but checks are not implemented in th...

BranchPort.toggleStrategyToken used on unregistered STRATEGY TOKEN will allow STRATEGIES to drain full token balance

Lines of code Vulnerability details Impact BranchPort.toggleStrategyToken may be called on a token not registered as a strategy token effectively registering it without setting a getMinimumTokenReserveRatio. In such a case minimumReserves will always return a value smaller than the current balanc...

Contracts are vulnerable to rebasing accounting-related issues

Lines of code Vulnerability details Impact Rebasing tokens are tokens that have each holder's balanceof increase over time. Aave aTokens are an example of such tokens. If rebasing tokens are used, rewards accrue to the contract holding the tokens, and cannot be withdrawn by the original depositor...

flashloan stealing staking reward

Lines of code Vulnerability details Impact The report reveals a vulnerability where a flashloan can be used to steal staking rewards. The provided proof of concept demonstrates the issue, where a user can take advantage of the earned rewards calculation using the spot balance. By flashloaning a...

Keepers are allowed to use the full EUSD balance of any provider to liquidate funds

Lines of code Vulnerability details Impact Keepers are allowed to use the full EUSD balance of any provider to liquidate funds. Normally, the keeper should only be allowed to use max of the amount that the provider approves to LybraStETHVault. But the check only checks if the provider gives an...

There is no deadline for swaps

Lines of code Vulnerability details Impact If the receiver that is specified in the IBC callback doesn't have enough tokens for interacting with the Canto network defaults at 4 CANTO, then the middleware is going to swap the tokens for some CANTO tokens on the Canto network and convert the rest t...

A use after free vulnerability was found in prepare_to_relocate in fs/btrfs/relocation.c in btrfs in the Linux Kernel. This possible flaw can be triggered by calling btrfs_ioctl_balance() before calling btrfs_ioctl_defrag().

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User with large stacked ETH can deny other stacker from withdrawing.

Lines of code Vulnerability details Description The withdraw flow of Stader splitted in two steps, first the user has to requestWithdraw by passing his owned ETHx amount which add a new record to userWithdrawRequestsnextRequestId, second, finalizeUserWithdrawalRequest got called by any user to...

Both consensus layer rewards and "32 bonded ETH" will be distributed via ValidatorWithdrawalVault.distributeRewards() as rewards

Lines of code Vulnerability details Impact totalRewards can be a value than staderConfig.getRewardsThreshold in ValidatorWithdrawalVault.distributeRewards. As a result both ETH balances belonging to rewards and staked ETH will be distributed. Proof of Concept Both consensus layer rewards and "32...

selfdestruct(self) does not clear balance

Lines of code Vulnerability details Impact Balance is stored in OVMETH contract, function opSuicide increments it, then Sucide does not change it, at the end of function it will be decremented. Which means it will not be changed. Proof of Concept // SPDX-License-Identifier: GPL-3.0 pragma solidit...

Exchange rate is stale for deposit to calculate shares

Lines of code Vulnerability details Impact The attacker can take profit with the delayed exchange rate updating mechanism. He can deposit to the protocol to take a share of large mev reward generated by the protocol before the exchange rate update. Proof of Concept The getExchangeRate function is...