mediumLogic errorEVM-Solidity
zkSync: Potential Gas Manipulation via Bytecode Compression
- Payout
- $0
- Protocol
- zkSync
- Disclosed
- Feb 29, 2024
- Source
- code4rena
The zkSync Compressor's `publishCompressedBytecode` function validates that dictionary chunks are within bounds and that referenced chunks match the original bytecode, but it never requires every dictionary chunk to actually be referenced. A malicious sequence …
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References
- https://github.com/code-423n4/2023-10-zksync-findings/issues/71
- https://github.com/code-423n4/2023-10-zksync-findings
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