DoS on relayCalls when the nonce variable reach type(uint256).max

Lines of code Vulnerability details Impact Denial of service on relayCalls functions when the nonce variable reach typeuint256.max Proof of Concept When the smart contracts start to be used, the variable in storage nonce will start to increment by 1, and since the nonce variable cannot be...

There is no re-register o re-assign function

Lines of code Vulnerability details Impact There is no re-register or re-assign option for the smart contracts. Let's assume a smart contract is registered either through the register function with a new NFT minted or the assign function to an existing NFT. However, if somehow, the NFT is burned ...

PostTxProcessing can revert user transactions not interacting with Turnstile

Lines of code Vulnerability details Impact Any transaction, even those that don't interact with the Turnstile contract, can be reverted by the PostTxProcessing hook if there was a CSR specific error. Thus, the CSR module can impair the behavior of smart contracts not related to the module. Proof ...

Use of transfer() instead of call() to send eth

Lines of code Vulnerability details Use of transfer instead of call to send eth Impact Use of transfer might render ETH impossible to withdraw because after istanbul hardfork, there is increases in the gas cost of the SLOAD operation and therefore breaks some existing smart contracts. Those...

bringUnusedETHBackIntoGiantPool in GiantMevAndFeesPool can be used to steal LPTokens

Lines of code Vulnerability details Impact real LPTokens can be transferred out of GiantMevAndFeesPool through fake stakingFundsVaults provided by an attacker. Proof of Concept bringUnusedETHBackIntoGiantPool takes in stakingFundsVaults, oldLPTokens, newLPTokens and rotate amounts from old to new...

EOAs and system contracts can be blocked from some actions by continuously transferring them zero LP tokens

Lines of code Vulnerability details Impact LPToken contains the map lastInteractedTimestamp which maps addresses to timestamps and is updated for from and to addresses after a token transfer. Many operations will check the last interaction time of an address and revert if it's too recent to comba...

batchRotateLPTokens in GiantMevAndFeesPool can be used to steal LPTokens

Lines of code Vulnerability details Impact real LPTokens can be transferred out of GiantMevAndFeesPool through fake stakingFundsVaults provided by an attacker. Proof of Concept batchRotateLPTokens takes in stakingFundsVaults, oldLPTokens, newLPTokens and rotate amounts from old to new tokens. The...

We Need Smarter Smart Contracts To Prevent DeFi Hacks

By Waqas The smart contracts that govern DeFi are littered with exploitable code, and hackers understand that since hundreds of millions of crypto funds have been siphoned off due to this very issue. This is a post from HackRead.com Read the original post: We Need Smarter Smart Contracts To Preve...

User funds(ETHs) sent along with bulkExecute tx may be stolen by a reentry attack

Lines of code Vulnerability details Impact The funds ETH that users sent along with the bulkExecute may be stolen. Proof of Concept When a buyer send a bulkExecute tx with msg.value 0 with order of buying token with eth, the sent ETH may be stolen if the tx contains a malicious selling order whic...

State varaible marketplace has never been initialized in LooksRareProxy.sol

Lines of code Vulnerability details Impact Detailed description of the impact of this finding. State varaible marketplace has never been initialized in LooksRareProxy.sol. Although it has been initialized in the constructor, it won't count since functions such as execute will only be called via...

Authorization Bypass

OpenZeppelin Contracts is vulnerable to authentication bypass. The vulnerability exists because initializer modifier is not properly handled which allows an attacker to cause reentrancy by executing an external call to an untrusted address...

Uninitializing Bridge Contracts' State Variables

Lines of code Vulnerability details Vulnerability Details The L1ERC20Bridge and L1EthBridge are implementation contracts that would be delegatecalled by their corresponding proxy contracts. In other words, all state variables and assets would be stored in the proxy contracts. In contrast, the...

_safeMint should be used to work with smart contract address

Lines of code Vulnerability details Fix safeMint should be used if you are sending the minted token to a Contract that is capable to manage NFTs or not. This is to prevent tokens to be lost. Recommended Mitigation Steps Replace mint with safeMint. Tools Used Manual review --- The text was updated...

Lack of notice period for critical operations

Lines of code Vulnerability details Impact All user assets can be locked or stolen. Proof of Concept All user assets can be locked or stolen if the L1ERC20Bridge or L1EthBridge is upgraded to a malicious contract. All user assets can be locked or stolen if governor is lost and...

CVE-2022-39384

OpenZeppelin Contracts is a library for secure smart contract development. Before version 4.4.1 but after 3.2.0, initializer functions that are invoked separate from contract creation the most prominent example being minimal proxies may be reentered if they make an untrusted non-view external cal...

Xxe

OpenZeppelin Contracts is a library for secure smart contract development. Before version 4.4.1 but after 3.2.0, initializer functions that are invoked separate from contract creation the most prominent example being minimal proxies may be reentered if they make an untrusted non-view external cal...

CVE-2022-39384 OpenZeppelin Contracts initializer reentrancy may lead to double initialization

OpenZeppelin Contracts is a library for secure smart contract development. Before version 4.4.1 but after 3.2.0, initializer functions that are invoked separate from contract creation the most prominent example being minimal proxies may be reentered if they make an untrusted non-view external cal...

CVE-2022-39384

OpenZeppelin Contracts (3.2.0–4.4.1) contain an initializer reentrancy issue caused by an exception used to support multiple inheritance, allowing reentry when an untrusted non-view external call is made during initialization. The impact is described as minor since upgradeable proxies are usually...

CVE-2022-39384 OpenZeppelin Contracts initializer reentrancy may lead to double initialization

OpenZeppelin Contracts is a library for secure smart contract development. Before version 4.4.1 but after 3.2.0, initializer functions that are invoked separate from contract creation the most prominent example being minimal proxies may be reentered if they make an untrusted non-view external cal...

CVE-2022-39384 OpenZeppelin Contracts initializer reentrancy may lead to double initialization

OpenZeppelin Contracts is a library for secure smart contract development. Before version 4.4.1 but after 3.2.0, initializer functions that are invoked separate from contract creation the most prominent example being minimal proxies may be reentered if they make an untrusted non-view external cal...