Scroll GasSwap, Multiple Verifier, Wrapped Ether a

OpenZeppelinFiles named in the report

Audit

OpenZeppelin reviewed Scroll (Scroll GasSwap, Multiple Verifier, Wrapped Ether a) on 16 Oct 2023: 17 findings, 0 critical; 8 marked fixed, 5 acknowledged, 4 open.

No open critical findings
Open the reportOpen Scroll’s security record

Report hosted on blog.openzeppelin.com.

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Findings17

Statuses are the security firm’s own, from its report.

SeverityOpenAcknowledgedFixed
Critical000
High020
Medium410
Low028
LowAnyone Can Steal ERC-20 Tokens From GasSwapFixed

The report gives no description here.

LowInconsistency of Allowing a Trusted ForwarderFixed

The report gives no description here.

LowInconsistency of Reentrancy GuardFixed

The report gives no description here.

LowmaxReplayTimes is Not Initialized in L1ScrollMessengerFixed

The report gives no description here.

LowMisleading and Incorrect CommentsFixed

The report gives no description here.

LowPossible Misleading revert Message When Swapping Non-ERC20Permit TokensFixed

The report gives no description here.

LowPotentially Misleading Verifier EventFixed

The report gives no description here.

LowRedundancy of Replaying Messages in L2ScrollMessengerFixed

The report gives no description here.

Contracts in scope

No deployed address is recorded for this audit.

The report names a repository or files. Open the report to see its scope.

Repository and files the report names (45)

  • contracts/src/libraries/ScrollMessengerBase.sol
  • contracts/src/L1/rollup/IL1MessageQueue.sol
  • contracts/src/L1/IL1ScrollMessenger.sol
  • contracts/src/libraries/gateway/ScrollGatewayBase.sol
  • contracts/src/L1/gateways/L1WETHGateway.sol
  • contracts/src/L1/gateways/L1ETHGateway.sol
  • contracts/src/libraries/token/IScrollERC1155.sol
  • contracts/src/libraries/token/IScrollERC721.sol
  • contracts/src/L1/gateways/IL1ETHGateway.sol
  • contracts/src/libraries/verifier/IZkEvmVerifier.sol
  • contracts/src/L2/gateways/L2ERC721Gateway.sol
  • contracts/src/L1/rollup/ScrollChain.sol
  • contracts/src/L1/rollup/L1MessageQueue.sol
  • contracts/src/L1/gateways/L1GatewayRouter.sol
  • contracts/src/gas-swap/GasSwap.sol
  • contracts/src/libraries/constants/ScrollConstants.sol
  • contracts/src/L1/gateways/IL1GatewayRouter.sol
  • contracts/src/L2/predeploys/L1GasPriceOracle.sol
  • contracts/src/L2/gateways/usdc/L2USDCGateway.sol
  • contracts/src/L2/predeploys/WrappedEther.sol
  • contracts/src/L1/gateways/IL1ERC721Gateway.sol
  • contracts/src/L1/gateways/IL1ERC1155Gateway.sol
  • contracts/src/libraries/token/IScrollERC1155Extension.sol
  • contracts/src/L2/gateways/L2ERC1155Gateway.sol
  • contracts/src/libraries/verifier/IRollupVerifier.sol
  • contracts/src/L1/gateways/IL1ERC20Gateway.sol
  • contracts/src/L1/gateways/L1ERC1155Gateway.sol
  • contracts/src/L1/gateways/EnforcedTxGateway.sol
  • contracts/src/External.sol
  • contracts/src/L1/gateways/L1StandardERC20Gateway.sol
  • contracts/src/libraries/token/IScrollERC721Extension.sol
  • contracts/src/libraries/token/IScrollERC20.sol
  • contracts/src/misc/Fallback.sol
  • contracts/src/L1/gateways/L1ERC721Gateway.sol
  • contracts/src/libraries/token/IScrollERC20Extension.sol
  • contracts/src/L2/gateways/L2ETHGateway.sol
  • contracts/src/L2/L2ScrollMessenger.sol
  • contracts/src/L1/gateways/L1ERC20Gateway.sol
  • contracts/src/L1/L1ScrollMessenger.sol
  • contracts/src/L2/IL2ScrollMessenger.sol
  • contracts/src/interfaces/IFiatToken.sol
  • contracts/src/L1/gateways/usdc/L1USDCGateway.sol
  • contracts/src/L1/gateways/L1CustomERC20Gateway.sol
  • contracts/src/L1/rollup/MultipleVersionRollupVerifier.sol
  • contracts/src/libraries/callbacks/IMessageDropCallback.sol

Part of Scroll’s security record

Scroll
Audits9 audits by 1 firmLast audit May 2024, by OpenZeppelin.
Critical findingsNo open critical findingsAcross 9 reports.
Open Scroll’s security record

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OpenZeppelin

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