CVE-2024-35229 Information

Description

ZKsync Era is a layer 2 rollup that uses zero-knowledge proofs to scale Ethereum. Prior to version 1.3.10 there is a very specific pattern f(a()b()); check_if_a_executed_last() in Yul that exposes a bug in evaluation order of Yul function arguments. This vulnerability has been fixed in version 1.3.10. As a workaround update and redeploy affected contracts.

Reference

https://github.com/matter-labs/era-compiler-solidity/security/advisories/GHSA-jf9w-7f5g-j95p https://github.com/matter-labs/era-compiler-solidity/commit/46ce047b51576495779b9f67534207d8154eab79