burning-nuts.de Improper Access Control vulnerability OBB-3818037

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...

Unchecked redeemUnderlying failure allows burning asD without redeeming NOTE, breaking peg.

Lines of code Vulnerability details Impact The burn function does not validate the return code from redeemUnderlying. This means if redeeming fails, asD tokens could be burned without redeeming the underlying NOTE, breaking 1:1 peg. Attacker burns asD tokens and receives NOTE, but contract fails ...

Lack of access control for mint/burn functions

Lines of code Vulnerability details Impact The mint and burn functions allow any caller to mint and burn tokens without restrictions. This could enable malicious actors to arbitrarily inflate or reduce the token supply. An attacker could continuously mint new tokens, effectively devaluing all...

Incorrect AfEth.price() calculation

Lines of code Vulnerability details Impact AfEth.price may be calculated as too low. Proof of Concept AfEth.requestWithdraw does not burn the afEth but only transfers it to itself. Hence the withdrawRatio is calculated using only the free supply of afEth: AfEth.solL180-L185 // ratio of afEth bein...

Minted Shares would be Inflate Shares by 10000 due to Math Error in the wrap function

Lines of code Vulnerability details Impact BPSDENOMINATOR in the rUSDY.sol contract is an important variable used to scale up usdy amount - shares as noted in it comment description but it is only used to scale up when minting shares but not scaled down before subtracting it from total shares and...

Cross-chain smart contract call can revert and burned tokens in source chain can't be recovered

Lines of code Vulnerability details Summary AXELARGATEWAY.callContract doesn't revert on failure in destination chain , execute function can revert for varies reasons such as not passing require statements, or low gas so tokens remained burned in source chain and can't be recovered . Impact Loss ...

Insufficient Gas Fee Estimation Leading to Incomplete Transactions

Lines of code Vulnerability details The contract allows a user to send Ether, presumably for transaction fees or gas. However, there is no mechanism in place to verify that the msg.value is sufficient to cover the actual gas cost for contract execution. Consequently, a scenario could arise where...

RDPX price manipulation benefit for attacker via a Flashloan attack

Lines of code Vulnerability details Impact As the RdpxV2Core contract burns RDPX tokens, a malicious attacker can benefit from a price manipulation attack using a flashloan attack Proof of Concept The function bond in the RdpxV2Core contract is a primary function to enter the protocol and bond...

An attacker can burn shares of other users by calling executeFlashloan()

Lines of code Vulnerability details The executeFlashloan in PeUSDMainnetStableVision.sol allows users to execute flash loans but the problem is that the receiver doesnt have to be the msg.sender so an attacker can do 2 things: 1. Execute other users flash loans 2. If a user is a smart contract th...

Potential Unauthorized Flash Loan Execution and Share Burning due to Lack of Permission Checks

Lines of code Vulnerability details Impact The executeFlashloan function in the provided contract allows any user to execute a flash loan on behalf of another user without explicit permission. This could potentially lead to an unauthorized execution of flash loans and unexpected share burnings if...

potential reentrancy attack in _mint and _burn function

Lines of code Vulnerability details Impact potential reentrancy because state changes after minting and burning, should change state first Proof of Concept Tools Used Manual Review Recommended Mitigation Steps follow check-effect-interaction pattern as following: function mintaddress policyholder...

Minter and position privileges allow unrestricted minting and burning of arbitrary tokens

Lines of code Vulnerability details Any registered minter and a position belonging to him have absolute control of minting and burning tokens on all accounts. Impact New minting mechanisms are subject to governance approval i.e. can be veto’ed. These, however, will be arbitrary contracts with...

function restructureCapTable() in Equity.sol not functioning as expected

Lines of code Vulnerability details Impact Incorrect typo in function restructureCapTable leading to only burning tokens of first address of addressToWipe array arguement. Proof of Concept Here, in L313, addressToWipe0 only takes first address of the array. While ignoring the rest and also since...

Exchange._liquidate function can cause liquidator to burn too much powerPerp tokens

Lines of code Vulnerability details Impact When calling the following Exchange.liquidate function, uint256 totalCollateralReturned = shortCollateral.liquidatepositionId, debtRepaying, msg.sender is executed. function liquidateuint256 positionId, uint256 debtRepaying internal uint256...

A user can override a namespace created by another user, using the same name

Lines of code Vulnerability details Impact Let's say: Julian, and Juliet minted separate trays of characters in the Tray contract Julian approves Alice to mint a Namespace subprotocol NFT with the name Ali😀 Juliet also approves Alite to mint a Namespace subprotocol NFT with the name Ali😀 If a...

Short positions can be burned while holding collateral

Lines of code Vulnerability details Impact Users can permanently lose a portion of their collateral due to a malicious attacker or their own mistake. Vulnerability Details In the ShortToken contract, adjustPosition is used to handle changes to a short position's short or collateral amounts. The...

[H-3] Any account can mint or burn an unlimited number of vault tokens and drain the Kangaroo Vault.

Lines of code Vulnerability details Impact This is a failure in setting up access control. Anyone could set the vault address to their address and call the mint/burn function to mint and burn vault tokens. The impact is severe since all the funds in Kangaroo vault can be withdrawn by anyone. Proo...

Users can fuse an NFT without burning a tray NFT

Lines of code Vulnerability details Impact Users can fuse an NFT without burning a tray NFT Proof of Concept The Namespace protocol allows user to fuse a new Namespace NFT with the referenced tiles. Inside the fuse function, the protocol first transfer fusing costs from msg.sender to revenue...

_l1Receiver may lose the token amount

Lines of code Vulnerability details Impact l1Receiver lose the token amount Proof of Concept function withdrawaddress l1Receiver external payable override uint256 amount = msg.value; // Silent burning of the ether unchecked balanceaddressthis -= amount; totalSupply -= amount; // Send the L2 log, ...

Attacker could potentially burn the token balance of totalSupply and L2EthContract

Lines of code Vulnerability details Impact Attacker potentially can burn all L2EthContract and totalSupply tokens Proof of Concept function withdrawaddress l1Receiver external payable override uint256 amount = msg.value; // Silent burning of the ether unchecked balanceaddressthis -= amount;...