mediumLogic errorEVM-Solidity
Biconomy: DoS of user operations and loss of user transaction fee due to insufficient gas value submission by malicious bundler
- Payout
- $0
- Protocol
- Biconomy
- Disclosed
- Mar 3, 2023
- Source
- code4rena
In Biconomy's ERC-4337 EntryPoint implementation, a malicious bundler could execute `handleOps` with an insufficient outer gas allowance. Because the EntryPoint did not enforce that `gasleft()` was strictly greater than the user operation's specified gas limit …
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References
- https://github.com/code-423n4/2023-01-biconomy-findings/issues/303
- https://github.com/code-423n4/2023-01-biconomy-findings
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