Unsafe use of .transfer

Lines of code Vulnerability details Impact User funds can be locked by using a smart contract wallet with inefficient callback, or by future hardforks that change the gas consumption. address.transfer has been suggested to deprecate by most auditors, because of the potential OOG error. However,...

ETHVault, BkdEthCvx and VaultReserve use payable.transfer for inter-system transfers

Lines of code Vulnerability details Impact These contracts use payable.transfer for internal fund transfer, where the recipients are vaults, pools, strategies. This is generally unsafe as transfer has hard coded gas budget and can fail when the to is a smart contract. Such transactions will fail...

Initial StakedCitadel deposit with amount=1 wei causes very expensive share price leading to precision errors and loss of funds

Lines of code Vulnerability details Impact The first depositor into StakedCitadel is able to maliciously manipulate the share price by depositing the lowest possible amount 1 wei and then artificially blowing up the StakedCitadel Citadel token balance. Following depositors will loose their...

Rarible NFT Marketplace Flaw Could've Let Attackers Hijack Crypto Wallets

Cybersecurity researchers have disclosed a now-fixed security flaw in the Rarible non-fungible token NFT marketplace that, if successfully exploited, could have led to account takeover and theft of cryptocurrency assets. "By luring victims to click on a malicious NFT, an attacker can take full...

CVE-2022-24845

Vyper is a pythonic Smart Contract Language for the ethereum virtual machine. In affected versions, the return of .returnsint128 is not validated to fall within the bounds of int128. This issue can result in a misinterpretation of the integer value and lead to incorrect behavior. As of v0.3.0,...

Out-of-bounds

Vyper is a pythonic Smart Contract Language for the ethereum virtual machine. In affected versions, the return of .returnsint128 is not validated to fall within the bounds of int128. This issue can result in a misinterpretation of the integer value and lead to incorrect behavior. As of v0.3.0,...

CVE-2022-24845 Integer bounds error in Vyper

Vyper is a pythonic Smart Contract Language for the ethereum virtual machine. In affected versions, the return of .returnsint128 is not validated to fall within the bounds of int128. This issue can result in a misinterpretation of the integer value and lead to incorrect behavior. As of v0.3.0,...

CVE-2022-24845

CVE-2022-24845 concerns a bounds error in Vyper: the return of .returns_int128() is not always validated against int128 bounds in complex expressions, potentially causing misinterpreted values and incorrect behavior. Documents consistently cite vulnerability in Vyper up to v0.3.0, with a patch av...

CVE-2022-24845 Integer bounds error in Vyper

Vyper is a pythonic Smart Contract Language for the ethereum virtual machine. In affected versions, the return of .returnsint128 is not validated to fall within the bounds of int128. This issue can result in a misinterpretation of the integer value and lead to incorrect behavior. As of v0.3.0,...

CVE-2022-24788

Vyper is a pythonic Smart Contract Language for the ethereum virtual machine. Versions of vyper prior to 0.3.2 suffer from a potential buffer overrun. Importing a function from a JSON interface which returns bytes generates bytecode which does not clamp bytes length, potentially resulting in a...

Buffer overflow

Vyper is a pythonic Smart Contract Language for the ethereum virtual machine. Versions of vyper prior to 0.3.2 suffer from a potential buffer overrun. Importing a function from a JSON interface which returns bytes generates bytecode which does not clamp bytes length, potentially resulting in a...

CVE-2022-24788

CVE-2022-24788 affects Vyper up to version 0.3.2, where importing a function from a JSON interface returning bytes can generate bytecode that does not clamp bytes length, potentially causing a buffer overrun. A fixed version is 0.3.2; users should upgrade to this release. Several sources (e.g., R...

CVE-2022-24788 Buffer overflow in Vyper

Vyper is a pythonic Smart Contract Language for the ethereum virtual machine. Versions of vyper prior to 0.3.2 suffer from a potential buffer overrun. Importing a function from a JSON interface which returns bytes generates bytecode which does not clamp bytes length, potentially resulting in a...

CVE-2022-24788 Buffer overflow in Vyper

Vyper is a pythonic Smart Contract Language for the ethereum virtual machine. Versions of vyper prior to 0.3.2 suffer from a potential buffer overrun. Importing a function from a JSON interface which returns bytes generates bytecode which does not clamp bytes length, potentially resulting in a...

For any (sufficiently regular) smart contract, there exists a smart contract that bypasses noContract modifier and still has the same functionality

Lines of code Vulnerability details Impact modifier noContractaddress account is supposed to fill the following role according to the docstring: "Modifier that ensures that non-whitelisted contracts can't interact with the farm. Prevents non-whitelisted 3rd party contracts e.g. autocompounders fr...

Lender can stop others from offering higher rates.

Lines of code NFTLoandFacilitator.lend; L205 Vulnerability details Impact A lender using an upgradeable smart contract could stop other lenders from buying him out, essentially causing a DoS. Proof of Concept Lender uses an upgradeable smart contract that front runs competing lenders and upgrades...

Need to change the logic of smart contracts in the face of negative inflation

Lines of code Vulnerability details Impact Given that the possibility of negative inflation in the economy is not impossible even now observed in some countries, it is important to clearly explain to users the act of smart contracts against negative inflation. In the current logic of the VOLT...

Wrong modfier

Lines of code Vulnerability details Impact According to the comment at line 49 and the business logic of this smart contract, it is better to use "ISgoverner " or "onlyGoverner" modifier instead of "onlyOwner". Proof of Concept Tools Used : manual analysis Recommended Mitigation Steps changing...

Updating rate limit for addresses restores their entire buffer amount

Lines of code Vulnerability details Impact When the bufferCap is updated for an address in updateAddress, the address's allowed buffer bufferStored is replenished to the entire bufferCap. The address could frontrun the updateAddress call and spend their entire buffer, then the buffer is replenish...

CVE-2022-24787

Vyper is a Pythonic Smart Contract Language for the Ethereum Virtual Machine. In version 0.3.1 and prior, bytestrings can have dirty bytes in them, resulting in the word-for-word comparisons giving incorrect results. Even without dirty nonzero bytes, two bytestrings can compare to equal if one en...