Integer Downcasting Vulnerability: Demonstration and Effective Fix
Blog iconBuildBear
Jul 25
In Solidity versions 0.8 and above, overflow and underflow checking is enabled by default. However, this checking does not apply to conversions between integer types, including data-type conversions. As a result, conversions can lead to overflow without triggering a revert. Allow us to demonstrate this issue: To assist you in getting started promptly, we have already prepared a repository showcasing this vulnerability. Let's begin by making a copy of the repository.Step 1: Cloning the Tu...

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